Tab. Glitch

JPEG JPEG 2000 PNG SGI PSD PPM PCX
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a.
Title:
jpeg-srgb-swap-09
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Swap
Normalized with:
ImageMagick
Title:
jpeg-srgb-decrease-08
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Decrease
Normalized with:
ImageMagick
Title:
jpeg-srgb-replace-26
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-srgb-replace-01
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-srgb-decrease-06
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Decrease
Normalized with:
ImageMagick
Title:
jpeg-srgb-replace-19
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg2000-decrease-02
Category / File format:
JPEG 2000
Compression options:
Glitch method:
Decrease
Normalized with:
Preview (Mac OS)
Title:
jpeg2000-replace-05
Category / File format:
JPEG 2000
Compression options:
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
jpeg2000-replace-03
Category / File format:
JPEG 2000
Compression options:
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
jpeg2000-replace-13
Category / File format:
JPEG 2000
Compression options:
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
jpeg2000-increase-04
Category / File format:
JPEG 2000
Compression options:
Glitch method:
Increase
Normalized with:
Preview (Mac OS)
Title:
jpeg2000-replace-01
Category / File format:
JPEG 2000
Compression options:
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
png-none-replace-03
Category
PNG None
File format:
PNG
Compression options:
Filter type = None
Glitch method:
Replace before deflate
Normalized with:
Preview (Mac OS)
Title:
png-none-decrease-03
Category
PNG None
File format:
PNG
Compression options:
Filter type = None
Glitch method:
Decrease before deflate
Normalized with:
Preview (Mac OS)
Title:
png-none-swap-07
Category
PNG None
File format:
PNG
Compression options:
Filter type = None
Glitch method:
Swap before deflate
Normalized with:
Preview (Mac OS)
Title:
png-peath-increase-02
Category
PNG Peath
File format:
PNG
Compression options:
Filter type = Peath
Glitch method:
Increase before deflate
Normalized with:
Preview (Mac OS)
Title:
png-peath-replace-10
Category
PNG Peath
File format:
PNG
Compression options:
Filter type = Peath
Glitch method:
Replace before deflate
Normalized with:
Preview (Mac OS)
Title:
png-peath-replace-00
Category
PNG Peath
File format:
PNG
Compression options:
Filter type = Peath
Glitch method:
Replace before deflate
Normalized with:
Preview (Mac OS)
Title:
sgi-replace-05
Category / File format:
SGI
Compression options:
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
sgi-decrease-14
Category / File format:
SGI
Compression options:
Glitch method:
Decrease
Normalized with:
Preview (Mac OS)
Title:
sgi-replace-01
Category / File format:
SGI
Compression options:
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
sgi-decrease-04
Category / File format:
SGI
Compression options:
Glitch method:
Decrease
Normalized with:
Preview (Mac OS)
Title:
sgi-increase-04
Category / File format:
SGI
Compression options:
Glitch method:
Increase
Normalized with:
Preview (Mac OS)
Title:
psd-replace-00
Category / File format:
PSD
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
psd-swap-01
Category / File format:
PSD
Compression options:
Glitch method:
Swap
Normalized with:
Adobe Photoshop
Title:
psd-swap-02
Category / File format:
PSD
Compression options:
Glitch method:
Swap
Normalized with:
Adobe Photoshop
Title:
psd-replace-19
Category / File format:
PSD
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
psd-replace-05
Category / File format:
PSD
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
ppm-increase-14
Category / File format:
PPM
Compression options:
Glitch method:
Increase
Normalized with:
ImageMagick
Title:
ppm-swap-09
Category / File format:
PPM
Compression options:
Glitch method:
Swap
Normalized with:
ImageMagick
Title:
ppm-increase-00
Category / File format:
PPM
Compression options:
Glitch method:
Increase
Normalized with:
ImageMagick
Title:
pcx-replace-12
Category / File format:
PCX
Compression options:
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
pcx-increase-01
Category / File format:
PCX
Compression options:
Glitch method:
Increase
Normalized with:
ImageMagick
Title:
pcx-swap-01
Category / File format:
PCX
Compression options:
Glitch method:
Swap
Normalized with:
ImageMagick
Title:
raw-increase-00
Category / File format:
RAW
Compression options:
Glitch method:
Increase
Normalized with:
ImageMagick
Title:
raw-increase-04
Category / File format:
RAW
Compression options:
Glitch method:
Increase
Normalized with:
ImageMagick
Title:
raw-replace-05
Category / File format:
RAW
Compression options:
Glitch method:
Replace
Normalized with:
ImageMagick
a. RAW
b.
Title:
jpeg-srgb-increase-03
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Increase
Normalized with:
ImageMagick
Title:
jpeg-srgb-replace-06
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-srgb-swap-03
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Swap
Normalized with:
ImageMagick
Title:
jpeg-srgb-replace-34
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-srgb-swap-19
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Swap
Normalized with:
ImageMagick
Title:
jpeg-srgb-replace-25
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg2000-replace-06
Category / File format:
JPEG 2000
Compression options:
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
jpeg2000-swap-09
Category / File format:
JPEG 2000
Compression options:
Glitch method:
Swap
Normalized with:
Preview (Mac OS)
Title:
jpeg2000-swap-01
Category / File format:
JPEG 2000
Compression options:
Glitch method:
Swap
Normalized with:
Preview (Mac OS)
Title:
jpeg2000-decrease-01
Category / File format:
JPEG 2000
Compression options:
Glitch method:
Decrease
Normalized with:
Preview (Mac OS)
Title:
jpeg2000-decrease-04
Category / File format:
JPEG 2000
Compression options:
Glitch method:
Decrease
Normalized with:
Preview (Mac OS)
Title:
jpeg2000-decrease-00
Category / File format:
JPEG 2000
Compression options:
Glitch method:
Decrease
Normalized with:
Preview (Mac OS)
Title:
png-none-replace-01
Category
PNG None
File format:
PNG
Compression options:
Filter type = None
Glitch method:
Replace before deflate
Normalized with:
Preview (Mac OS)
Title:
png-none-replace-10
Category
PNG None
File format:
PNG
Compression options:
Filter type = None
Glitch method:
Replace before deflate
Normalized with:
Preview (Mac OS)
Title:
png-none-increase-00
Category
PNG None
File format:
PNG
Compression options:
Filter type = None
Glitch method:
Increase before deflate
Normalized with:
Preview (Mac OS)
Title:
png-peath-replace-19
Category
PNG Peath
File format:
PNG
Compression options:
Filter type = Peath
Glitch method:
Replace before deflate
Normalized with:
Preview (Mac OS)
Title:
png-peath-swap-00
Category
PNG Peath
File format:
PNG
Compression options:
Filter type = Peath
Glitch method:
Swap before deflate
Normalized with:
Preview (Mac OS)
Title:
png-peath-replace-01
Category
PNG Peath
File format:
PNG
Compression options:
Filter type = Peath
Glitch method:
Replace before deflate
Normalized with:
Preview (Mac OS)
Title:
sgi-increase-00
Category / File format:
SGI
Compression options:
Glitch method:
Increase
Normalized with:
Preview (Mac OS)
Title:
sgi-increase-02
Category / File format:
SGI
Compression options:
Glitch method:
Increase
Normalized with:
Preview (Mac OS)
Title:
sgi-swap-08
Category / File format:
SGI
Compression options:
Glitch method:
Swap
Normalized with:
Preview (Mac OS)
Title:
sgi-decrease-01
Category / File format:
SGI
Compression options:
Glitch method:
Decrease
Normalized with:
Preview (Mac OS)
Title:
sgi-increase-01
Category / File format:
SGI
Compression options:
Glitch method:
Increase
Normalized with:
Preview (Mac OS)
Title:
psd-replace-10
Category / File format:
PSD
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
psd-swap-06
Category / File format:
PSD
Compression options:
Glitch method:
Swap
Normalized with:
Adobe Photoshop
Title:
psd-replace-03
Category / File format:
PSD
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
psd-increase-01
Category / File format:
PSD
Compression options:
Glitch method:
Increase
Normalized with:
Adobe Photoshop
Title:
psd-replace-06
Category / File format:
PSD
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
ppm-replace-04
Category / File format:
PPM
Compression options:
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
ppm-swap-00
Category / File format:
PPM
Compression options:
Glitch method:
Swap
Normalized with:
ImageMagick
Title:
ppm-increase-04
Category / File format:
PPM
Compression options:
Glitch method:
Increase
Normalized with:
ImageMagick
Title:
pcx-replace-19
Category / File format:
PCX
Compression options:
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
pcx-decrease-00
Category / File format:
PCX
Compression options:
Glitch method:
Decrease
Normalized with:
ImageMagick
Title:
pcx-replace-07
Category / File format:
PCX
Compression options:
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
bmp-increase-02
Category / File format:
BMP
Compression options:
Glitch method:
Increase
Normalized with:
ImageMagick
Title:
bmp-increase-18
Category / File format:
BMP
Compression options:
Glitch method:
Increase
Normalized with:
ImageMagick
Title:
bmp-replace-00
Category / File format:
BMP
Compression options:
Glitch method:
Replace
Normalized with:
ImageMagick
b. BMP
c.
Title:
jpeg-srgb-swap-11
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Swap
Normalized with:
ImageMagick
Title:
jpeg-srgb-increase-02
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Increase
Normalized with:
ImageMagick
Title:
jpeg-srgb-replace-09
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-srgb-replace-02
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-srgb-replace-07
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-srgb-replace-30
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg2000-replace-11
Category / File format:
JPEG 2000
Compression options:
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
jpeg2000-decrease-03
Category / File format:
JPEG 2000
Compression options:
Glitch method:
Decrease
Normalized with:
Preview (Mac OS)
Title:
jpeg2000-swap-03
Category / File format:
JPEG 2000
Compression options:
Glitch method:
Swap
Normalized with:
Preview (Mac OS)
Title:
jpeg2000-replace-18
Category / File format:
JPEG 2000
Compression options:
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
jpeg2000-replace-07
Category / File format:
JPEG 2000
Compression options:
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
jpeg2000-replace-16
Category / File format:
JPEG 2000
Compression options:
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
png-none-interlaced-replace-01
Category
PNG None Interlaced
File format:
PNG
Compression options:
Filter type = None, Interlaced
Glitch method:
Replace before deflate
Normalized with:
Preview (Mac OS)
Title:
png-none-interlaced-replace-09
Category
PNG None Interlaced
File format:
PNG
Compression options:
Filter type = None, Interlaced
Glitch method:
Replace before deflate
Normalized with:
Preview (Mac OS)
Title:
png-none-interlaced-swap-04
Category
PNG None Interlaced
File format:
PNG
Compression options:
Filter type = None, Interlaced
Glitch method:
Swap before deflate
Normalized with:
Preview (Mac OS)
Title:
png-peath-interlaced-replace-02
Category
PNG Peath Interlaced
File format:
PNG
Compression options:
Filter type = Peath, Interlaced
Glitch method:
Replace before deflate
Normalized with:
Preview (Mac OS)
Title:
png-peath-interlaced-swap-04
Category
PNG Peath Interlaced
File format:
PNG
Compression options:
Filter type = Peath, Interlaced
Glitch method:
Swap before deflate
Normalized with:
Preview (Mac OS)
Title:
png-peath-interlaced-replace-19
Category
PNG Peath Interlaced
File format:
PNG
Compression options:
Filter type = Peath, Interlaced
Glitch method:
Replace before deflate
Normalized with:
Preview (Mac OS)
Title:
sgi-decrease-10
Category / File format:
SGI
Compression options:
Glitch method:
Decrease
Normalized with:
Preview (Mac OS)
Title:
sgi-increase-13
Category / File format:
SGI
Compression options:
Glitch method:
Increase
Normalized with:
Preview (Mac OS)
Title:
sgi-replace-04
Category / File format:
SGI
Compression options:
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
sgi-decrease-11
Category / File format:
SGI
Compression options:
Glitch method:
Decrease
Normalized with:
Preview (Mac OS)
Title:
sgi-decrease-05
Category / File format:
SGI
Compression options:
Glitch method:
Decrease
Normalized with:
Preview (Mac OS)
Title:
psd-increase-00
Category / File format:
PSD
Compression options:
Glitch method:
Increase
Normalized with:
Adobe Photoshop
Title:
psd-replace-02
Category / File format:
PSD
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
psd-replace-11
Category / File format:
PSD
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
psd-replace-09
Category / File format:
PSD
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
psd-replace-04
Category / File format:
PSD
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
tif-jpeg-replace-16
Category
TIF JPEG
File format:
TIF
Compression options:
Compression: JPEG
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
tif-jpeg-replace-19
Category
TIF JPEG
File format:
TIF
Compression options:
Compression: JPEG
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
tif-lzw-replace-08
Category
TIF LZW
File format:
TIF
Compression options:
Compression: LZW
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
tif-lzw-replace-13
Category
TIF LZW
File format:
TIF
Compression options:
Compression: LZW
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
tif-zip-replace-19
Category
TIF ZIP
File format:
TIF
Compression options:
Compression: Deflate
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
tif-zip-swap-02
Category
TIF ZIP
File format:
TIF
Compression options:
Compression: Deflate
Glitch method:
Swap
Normalized with:
ImageMagick
Title:
tga-increase-00
Category / File format:
TGA
Compression options:
Glitch method:
Increase
Normalized with:
ImageMagick
Title:
tga-replace-05
Category / File format:
TGA
Compression options:
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
tga-increase-02
Category / File format:
TGA
Compression options:
Glitch method:
Increase
Normalized with:
ImageMagick
c. TGA
d.
Title:
jpeg-rgb-swap-13
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Swap
Normalized with:
ImageMagick
Title:
jpeg-rgb-swap-04
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Swap
Normalized with:
ImageMagick
Title:
jpeg-rgb-swap-08
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Swap
Normalized with:
ImageMagick
Title:
jpeg-rgb-replace-02
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-cmyk-decrease-04
Category
JPEG CMYK
File format:
JPEG
Compression options:
Colorspace = CMYK
Glitch method:
Decrease
Normalized with:
ImageMagick
Title:
jpeg-cmyk-swap-11
Category
JPEG CMYK
File format:
JPEG
Compression options:
Colorspace = CMYK
Glitch method:
Swap
Normalized with:
ImageMagick
Title:
jpeg-cmyk-decrease-09
Category
JPEG CMYK
File format:
JPEG
Compression options:
Colorspace = CMYK
Glitch method:
Decrease
Normalized with:
ImageMagick
Title:
jpeg-cmyk-increase-06
Category
JPEG CMYK
File format:
JPEG
Compression options:
Colorspace = CMYK
Glitch method:
Increase
Normalized with:
ImageMagick
Title:
jpeg-cmyk-replace-15
Category
JPEG CMYK
File format:
JPEG
Compression options:
Colorspace = CMYK
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-cmyk-swap-00
Category
JPEG CMYK
File format:
JPEG
Compression options:
Colorspace = CMYK
Glitch method:
Swap
Normalized with:
ImageMagick
Title:
png-sub-increase-00
Category
PNG Sub
File format:
PNG
Compression options:
Filter type = Sub
Glitch method:
Increase before deflate
Normalized with:
Preview (Mac OS)
Title:
png-sub-replace-10
Category
PNG Sub
File format:
PNG
Compression options:
Filter type = Sub
Glitch method:
Replace before deflate
Normalized with:
Preview (Mac OS)
Title:
png-sub-replace-04
Category
PNG Sub
File format:
PNG
Compression options:
Filter type = Sub
Glitch method:
Replace before deflate
Normalized with:
Preview (Mac OS)
Title:
png-up-increase-00
Category
PNG Up
File format:
PNG
Compression options:
Filter type = Up
Glitch method:
Increase before deflate
Normalized with:
Preview (Mac OS)
Title:
png-up-swap-07
Category
PNG Up
File format:
PNG
Compression options:
Filter type = Up
Glitch method:
Swap before deflate
Normalized with:
Preview (Mac OS)
Title:
png-up-replace-12
Category
PNG Up
File format:
PNG
Compression options:
Filter type = Up
Glitch method:
Replace before deflate
Normalized with:
Preview (Mac OS)
Title:
png-average-replace-19
Category
PNG Average
File format:
PNG
Compression options:
Filter type = Average
Glitch method:
Replace before deflate
Normalized with:
Preview (Mac OS)
Title:
png-average-replace-10
Category
PNG Average
File format:
PNG
Compression options:
Filter type = Average
Glitch method:
Replace before deflate
Normalized with:
Preview (Mac OS)
Title:
png-average-replace-16
Category
PNG Average
File format:
PNG
Compression options:
Filter type = Average
Glitch method:
Replace before deflate
Normalized with:
Preview (Mac OS)
Title:
png-none-noinflate-replace-08
Category
PNG after Deflate
File format:
PNG
Compression options:
Filter type = None
Glitch method:
Replace after deflate
Normalized with:
Preview (Mac OS)
Title:
png-average-noinflate-replace-09
Category
PNG after Deflate
File format:
PNG
Compression options:
Filter type = Average
Glitch method:
Replace after deflate
Normalized with:
Preview (Mac OS)
Title:
png-none-noinflate-replace-11
Category
PNG after Deflate
File format:
PNG
Compression options:
Filter type = None
Glitch method:
Replace after deflate
Normalized with:
Preview (Mac OS)
Title:
png-peath-interlaced-noinflate-replace-04
Category
PNG after Deflate
File format:
PNG
Compression options:
Filter type = Peath, Interlaced
Glitch method:
Replace after deflate
Normalized with:
Preview (Mac OS)
Title:
gif-replace-42
Category / File format:
GIF
Compression options:
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-replace-04
Category / File format:
GIF
Compression options:
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-replace-07
Category / File format:
GIF
Compression options:
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-replace-25
Category / File format:
GIF
Compression options:
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-replace-01
Category / File format:
GIF
Compression options:
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
tif-jpeg-swap-04
Category
TIF JPEG
File format:
TIF
Compression options:
Compression: JPEG
Glitch method:
Swap
Normalized with:
ImageMagick
Title:
tif-jpeg-replace-18
Category
TIF JPEG
File format:
TIF
Compression options:
Compression: JPEG
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
tif-lzw-replace-19
Category
TIF LZW
File format:
TIF
Compression options:
Compression: LZW
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
tif-lzw-replace-03
Category
TIF LZW
File format:
TIF
Compression options:
Compression: LZW
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
tif-zip-swap-09
Category
TIF ZIP
File format:
TIF
Compression options:
Compression: Deflate
Glitch method:
Swap
Normalized with:
ImageMagick
Title:
tif-zip-replace-08
Category
TIF ZIP
File format:
TIF
Compression options:
Compression: Deflate
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
tif-nocomp-decrease-14
Category
TIF No Compression
File format:
TIF
Compression options:
Compression: Uncompressed
Glitch method:
Decrease
Normalized with:
ImageMagick
Title:
tif-nocomp-increase-01
Category
TIF No Compression
File format:
TIF
Compression options:
Compression: Uncompressed
Glitch method:
Increase
Normalized with:
ImageMagick
Title:
tif-nocomp-increase-10
Category
TIF No Compression
File format:
TIF
Compression options:
Compression: Uncompressed
Glitch method:
Increase
Normalized with:
ImageMagick
d. TIFF
e.
Title:
jpeg-rgb-replace-00
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-rgb-increase-05
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Increase
Normalized with:
ImageMagick
Title:
jpeg-rgb-replace-04
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-rgb-replace-03
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-cmyk-swap-17
Category
JPEG CMYK
File format:
JPEG
Compression options:
Colorspace = CMYK
Glitch method:
Swap
Normalized with:
ImageMagick
Title:
jpeg-cmyk-replace-09
Category
JPEG CMYK
File format:
JPEG
Compression options:
Colorspace = CMYK
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-cmyk-replace-27
Category
JPEG CMYK
File format:
JPEG
Compression options:
Colorspace = CMYK
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-cmyk-replace-11
Category
JPEG CMYK
File format:
JPEG
Compression options:
Colorspace = CMYK
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-cmyk-replace-46
Category
JPEG CMYK
File format:
JPEG
Compression options:
Colorspace = CMYK
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-cmyk-replace-14
Category
JPEG CMYK
File format:
JPEG
Compression options:
Colorspace = CMYK
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
png-sub-replace-19
Category
PNG Sub
File format:
PNG
Compression options:
Filter type = Sub
Glitch method:
Replace before deflate
Normalized with:
Preview (Mac OS)
Title:
png-sub-decrease-04
Category
PNG Sub
File format:
PNG
Compression options:
Filter type = Sub
Glitch method:
Decrease before deflate
Normalized with:
Preview (Mac OS)
Title:
png-sub-swap-09
Category
PNG Sub
File format:
PNG
Compression options:
Filter type = Sub
Glitch method:
Swap before deflate
Normalized with:
Preview (Mac OS)
Title:
png-up-swap-01
Category
PNG Up
File format:
PNG
Compression options:
Filter type = Up
Glitch method:
Swap before deflate
Normalized with:
Preview (Mac OS)
Title:
png-up-replace-00
Category
PNG Up
File format:
PNG
Compression options:
Filter type = Up
Glitch method:
Replace before deflate
Normalized with:
Preview (Mac OS)
Title:
png-up-replace-18
Category
PNG Up
File format:
PNG
Compression options:
Filter type = Up
Glitch method:
Replace before deflate
Normalized with:
Preview (Mac OS)
Title:
png-average-replace-04
Category
PNG Average
File format:
PNG
Compression options:
Filter type = Average
Glitch method:
Replace before deflate
Normalized with:
Preview (Mac OS)
Title:
png-average-swap-07
Category
PNG Average
File format:
PNG
Compression options:
Filter type = Average
Glitch method:
Swap before deflate
Normalized with:
Preview (Mac OS)
Title:
png-average-decrease-04
Category
PNG Average
File format:
PNG
Compression options:
Filter type = Average
Glitch method:
Decrease before deflate
Normalized with:
Preview (Mac OS)
Title:
png-average-noinflate-replace-15
Category
PNG after Deflate
File format:
PNG
Compression options:
Filter type = Average
Glitch method:
Replace after deflate
Normalized with:
Preview (Mac OS)
Title:
png-peath-interlaced-noinflate-replace-01
Category
PNG after Deflate
File format:
PNG
Compression options:
Filter type = Peath, Interlaced
Glitch method:
Replace after deflate
Normalized with:
Preview (Mac OS)
Title:
png-peath-interlaced-noinflate-replace-07
Category
PNG after Deflate
File format:
PNG
Compression options:
Filter type = Peath, Interlaced
Glitch method:
Replace after deflate
Normalized with:
Preview (Mac OS)
Title:
png-none-noinflate-replace-04
Category
PNG after Deflate
File format:
PNG
Compression options:
Filter type = None
Glitch method:
Replace after deflate
Normalized with:
Preview (Mac OS)
Title:
gif-replace-34
Category / File format:
GIF
Compression options:
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-replace-29
Category / File format:
GIF
Compression options:
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-replace-39
Category / File format:
GIF
Compression options:
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-replace-30
Category / File format:
GIF
Compression options:
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-replace-46
Category / File format:
GIF
Compression options:
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
tif-jpeg-replace-03
Category
TIF JPEG
File format:
TIF
Compression options:
Compression: JPEG
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
tif-jpeg-replace-17
Category
TIF JPEG
File format:
TIF
Compression options:
Compression: JPEG
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
tif-lzw-replace-11
Category
TIF LZW
File format:
TIF
Compression options:
Compression: LZW
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
tif-lzw-replace-00
Category
TIF LZW
File format:
TIF
Compression options:
Compression: LZW
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
tif-zip-replace-12
Category
TIF ZIP
File format:
TIF
Compression options:
Compression: Deflate
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
tif-zip-replace-16
Category
TIF ZIP
File format:
TIF
Compression options:
Compression: Deflate
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
tif-nocomp-decrease-00
Category
TIF No Compression
File format:
TIF
Compression options:
Compression: Uncompressed
Glitch method:
Decrease
Normalized with:
ImageMagick
Title:
tif-nocomp-replace-14
Category
TIF No Compression
File format:
TIF
Compression options:
Compression: Uncompressed
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
tif-nocomp-replace-08
Category
TIF No Compression
File format:
TIF
Compression options:
Compression: Uncompressed
Glitch method:
Replace
Normalized with:
ImageMagick
e.
f.
Title:
jpeg-rgb-swap-17
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Swap
Normalized with:
ImageMagick
Title:
jpeg-rgb-replace-17
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-rgb-replace-34
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-rgb-decrease-05
Category
JPEG sRGB
File format:
JPEG
Compression options:
Colorspace = sRGB
Glitch method:
Decrease
Normalized with:
ImageMagick
Title:
jpeg-cmyk-increase-02
Category
JPEG CMYK
File format:
JPEG
Compression options:
Colorspace = CMYK
Glitch method:
Increase
Normalized with:
ImageMagick
Title:
jpeg-cmyk-replace-06
Category
JPEG CMYK
File format:
JPEG
Compression options:
Colorspace = CMYK
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-cmyk-replace-24
Category
JPEG CMYK
File format:
JPEG
Compression options:
Colorspace = CMYK
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-cmyk-replace-01
Category
JPEG CMYK
File format:
JPEG
Compression options:
Colorspace = CMYK
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-cmyk-replace-19
Category
JPEG CMYK
File format:
JPEG
Compression options:
Colorspace = CMYK
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-cmyk-replace-26
Category
JPEG CMYK
File format:
JPEG
Compression options:
Colorspace = CMYK
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
png-sub-interlaced-replace-19
Category
PNG Sub Interlaced
File format:
PNG
Compression options:
Filter type = Sub, Interlaced
Glitch method:
Replace before deflate
Normalized with:
Preview (Mac OS)
Title:
png-sub-interlaced-swap-04
Category
PNG Sub Interlaced
File format:
PNG
Compression options:
Filter type = Sub, Interlaced
Glitch method:
Swap before deflate
Normalized with:
Preview (Mac OS)
Title:
png-sub-interlaced-decrease-04
Category
PNG Sub Interlaced
File format:
PNG
Compression options:
Filter type = Sub, Interlaced
Glitch method:
Decrease before deflate
Normalized with:
Preview (Mac OS)
Title:
png-up-interlaced-replace-17
Category
PNG Up Interlaced
File format:
PNG
Compression options:
Filter type = Up, Interlaced
Glitch method:
Replace before deflate
Normalized with:
Preview (Mac OS)
Title:
png-up-interlaced-replace-06
Category
PNG Up Interlaced
File format:
PNG
Compression options:
Filter type = Up, Interlaced
Glitch method:
Replace before deflate
Normalized with:
Preview (Mac OS)
Title:
png-up-interlaced-swap-00
Category
PNG Up Interlaced
File format:
PNG
Compression options:
Filter type = Up, Interlaced
Glitch method:
Swap before deflate
Normalized with:
Preview (Mac OS)
Title:
png-average-interlaced-swap-00
Category
PNG Average Interlaced
File format:
PNG
Compression options:
Filter type = Average, Interlaced
Glitch method:
Swap before deflate
Normalized with:
Preview (Mac OS)
Title:
png-average-interlaced-replace-16
Category
PNG Average Interlaced
File format:
PNG
Compression options:
Filter type = Average, Interlaced
Glitch method:
Replace before deflate
Normalized with:
Preview (Mac OS)
Title:
png-average-interlaced-replace-01
Category
PNG Average Interlaced
File format:
PNG
Compression options:
Filter type = Average, Interlaced
Glitch method:
Replace before deflate
Normalized with:
Preview (Mac OS)
Title:
png-none-noinflate-decrease-03
Category
PNG after Deflate
File format:
PNG
Compression options:
Filter type = None
Glitch method:
Decrease after deflate
Normalized with:
Preview (Mac OS)
Title:
png-none-noinflate-replace-10
Category
PNG after Deflate
File format:
PNG
Compression options:
Filter type = None
Glitch method:
Replace after deflate
Normalized with:
Preview (Mac OS)
Title:
png-none-noinflate-replace-05
Category
PNG after Deflate
File format:
PNG
Compression options:
Filter type = None
Glitch method:
Replace after deflate
Normalized with:
Preview (Mac OS)
Title:
png-average-noinflate-replace-11
Category
PNG after Deflate
File format:
PNG
Compression options:
Filter type = Average
Glitch method:
Replace after deflate
Normalized with:
Preview (Mac OS)
Title:
gif-replace-32
Category / File format:
GIF
Compression options:
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-replace-24
Category / File format:
GIF
Compression options:
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-replace-03
Category / File format:
GIF
Compression options:
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-replace-11
Category / File format:
GIF
Compression options:
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-replace-08
Category / File format:
GIF
Compression options:
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
ilbm-replace-13
Category / File format:
ILBM
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
ilbm-replace-05
Category / File format:
ILBM
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
ilbm-replace-17
Category / File format:
ILBM
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
ilbm-replace-19
Category / File format:
ILBM
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
webp-replace-09
Category / File format:
WEBP
Compression options:
Glitch method:
Replace
Normalized with:
libwebp
Title:
webp-swap-09
Category / File format:
WEBP
Compression options:
Glitch method:
Swap
Normalized with:
libwebp
Title:
webp-replace-05
Category / File format:
WEBP
Compression options:
Glitch method:
Replace
Normalized with:
libwebp
Title:
webp-replace-16
Category / File format:
WEBP
Compression options:
Glitch method:
Replace
Normalized with:
libwebp
Title:
webp-replace-02
Category / File format:
WEBP
Compression options:
Glitch method:
Replace
Normalized with:
libwebp
f.
g.
Title:
jpeg-srgb-progressive-replace-13
Category
JPEG Progressive
File format:
JPEG
Compression options:
Colorspace = sRGB, Progressive
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-srgb-progressive-replace-04
Category
JPEG Progressive
File format:
JPEG
Compression options:
Colorspace = sRGB, Progressive
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-srgb-progressive-replace-36
Category
JPEG Progressive
File format:
JPEG
Compression options:
Colorspace = sRGB, Progressive
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-srgb-progressive-increase-01
Category
JPEG Progressive
File format:
JPEG
Compression options:
Colorspace = sRGB, Progressive
Glitch method:
Increase
Normalized with:
ImageMagick
Title:
jpeg-srgb-progressive-replace-22
Category
JPEG Progressive
File format:
JPEG
Compression options:
Colorspace = sRGB, Progressive
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-srgb-progressive-decrease-02
Category
JPEG Progressive
File format:
JPEG
Compression options:
Colorspace = sRGB, Progressive
Glitch method:
Decrease
Normalized with:
ImageMagick
Title:
jpeg-srgb-progressive-swap-08
Category
JPEG Progressive
File format:
JPEG
Compression options:
Colorspace = sRGB, Progressive
Glitch method:
Swap
Normalized with:
ImageMagick
Title:
jpeg-srgb-progressive-replace-25
Category
JPEG Progressive
File format:
JPEG
Compression options:
Colorspace = sRGB, Progressive
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-srgb-progressive-decrease-08
Category
JPEG Progressive
File format:
JPEG
Compression options:
Colorspace = sRGB, Progressive
Glitch method:
Decrease
Normalized with:
ImageMagick
Title:
jpegxr-replace-21
Category / File format:
JPEG XR
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
jpegxr-replace-27
Category / File format:
JPEG XR
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
jpegxr-replace-23
Category / File format:
JPEG XR
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
jpegxr-replace-10
Category / File format:
JPEG XR
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
jpegxr-swap-04
Category / File format:
JPEG XR
Compression options:
Glitch method:
Swap
Normalized with:
Adobe Photoshop
Title:
jpegxr-replace-05
Category / File format:
JPEG XR
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
jpegxr-replace-48
Category / File format:
JPEG XR
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
jpegxr-replace-25
Category / File format:
JPEG XR
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
jpegxr-replace-16
Category / File format:
JPEG XR
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
gif-interlaced-replace-01
Category
GIF Interlaced
File format:
GIF
Compression options:
Interlaced
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-interlaced-replace-18
Category
GIF Interlaced
File format:
GIF
Compression options:
Interlaced
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-interlaced-replace-44
Category
GIF Interlaced
File format:
GIF
Compression options:
Interlaced
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-interlaced-replace-07
Category
GIF Interlaced
File format:
GIF
Compression options:
Interlaced
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-interlaced-replace-35
Category
GIF Interlaced
File format:
GIF
Compression options:
Interlaced
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-interlaced-replace-24
Category
GIF Interlaced
File format:
GIF
Compression options:
Interlaced
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-interlaced-replace-22
Category
GIF Interlaced
File format:
GIF
Compression options:
Interlaced
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-interlaced-replace-28
Category
GIF Interlaced
File format:
GIF
Compression options:
Interlaced
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-interlaced-replace-00
Category
GIF Interlaced
File format:
GIF
Compression options:
Interlaced
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-replace-49
Category / File format:
GIF
Compression options:
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
ilbm-replace-16
Category / File format:
ILBM
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
ilbm-increase-02
Category / File format:
ILBM
Compression options:
Glitch method:
Increase
Normalized with:
Adobe Photoshop
Title:
ilbm-replace-12
Category / File format:
ILBM
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
ilbm-swap-09
Category / File format:
ILBM
Compression options:
Glitch method:
Swap
Normalized with:
Adobe Photoshop
Title:
webp-replace-03
Category / File format:
WEBP
Compression options:
Glitch method:
Replace
Normalized with:
libwebp
Title:
webp-decrease-03
Category / File format:
WEBP
Compression options:
Glitch method:
Decrease
Normalized with:
libwebp
Title:
webp-replace-10
Category / File format:
WEBP
Compression options:
Glitch method:
Replace
Normalized with:
libwebp
Title:
webp-replace-17
Category / File format:
WEBP
Compression options:
Glitch method:
Replace
Normalized with:
libwebp
Title:
webp-decrease-02
Category / File format:
WEBP
Compression options:
Glitch method:
Decrease
Normalized with:
libwebp
g.
h.
Title:
jpeg-srgb-progressive-swap-15
Category
JPEG Progressive
File format:
JPEG
Compression options:
Colorspace = sRGB, Progressive
Glitch method:
Swap
Normalized with:
ImageMagick
Title:
jpeg-srgb-progressive-replace-24
Category
JPEG Progressive
File format:
JPEG
Compression options:
Colorspace = sRGB, Progressive
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-srgb-progressive-replace-17
Category
JPEG Progressive
File format:
JPEG
Compression options:
Colorspace = sRGB, Progressive
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-srgb-progressive-replace-23
Category
JPEG Progressive
File format:
JPEG
Compression options:
Colorspace = sRGB, Progressive
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-srgb-progressive-decrease-07
Category
JPEG Progressive
File format:
JPEG
Compression options:
Colorspace = sRGB, Progressive
Glitch method:
Decrease
Normalized with:
ImageMagick
Title:
jpeg-srgb-progressive-replace-05
Category
JPEG Progressive
File format:
JPEG
Compression options:
Colorspace = sRGB, Progressive
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-srgb-progressive-replace-12
Category
JPEG Progressive
File format:
JPEG
Compression options:
Colorspace = sRGB, Progressive
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpeg-srgb-progressive-swap-19
Category
JPEG Progressive
File format:
JPEG
Compression options:
Colorspace = sRGB, Progressive
Glitch method:
Swap
Normalized with:
ImageMagick
Title:
jpeg-srgb-progressive-replace-16
Category
JPEG Progressive
File format:
JPEG
Compression options:
Colorspace = sRGB, Progressive
Glitch method:
Replace
Normalized with:
ImageMagick
Title:
jpegxr-replace-01
Category / File format:
JPEG XR
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
jpegxr-replace-44
Category / File format:
JPEG XR
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
jpegxr-replace-11
Category / File format:
JPEG XR
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
jpegxr-replace-03
Category / File format:
JPEG XR
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
jpegxr-replace-20
Category / File format:
JPEG XR
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
jpegxr-replace-29
Category / File format:
JPEG XR
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
jpegxr-replace-09
Category / File format:
JPEG XR
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
jpegxr-replace-35
Category / File format:
JPEG XR
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
jpegxr-replace-04
Category / File format:
JPEG XR
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
gif-interlaced-replace-47
Category
GIF Interlaced
File format:
GIF
Compression options:
Interlaced
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-interlaced-replace-37
Category
GIF Interlaced
File format:
GIF
Compression options:
Interlaced
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-interlaced-replace-23
Category
GIF Interlaced
File format:
GIF
Compression options:
Interlaced
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-interlaced-replace-45
Category
GIF Interlaced
File format:
GIF
Compression options:
Interlaced
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-interlaced-replace-29
Category
GIF Interlaced
File format:
GIF
Compression options:
Interlaced
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-interlaced-replace-03
Category
GIF Interlaced
File format:
GIF
Compression options:
Interlaced
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-interlaced-replace-49
Category
GIF Interlaced
File format:
GIF
Compression options:
Interlaced
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-interlaced-replace-09
Category
GIF Interlaced
File format:
GIF
Compression options:
Interlaced
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-interlaced-replace-46
Category
GIF Interlaced
File format:
GIF
Compression options:
Interlaced
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
gif-replace-19
Category / File format:
GIF
Compression options:
Glitch method:
Replace
Normalized with:
Preview (Mac OS)
Title:
ilbm-replace-02
Category / File format:
ILBM
Compression options:
Glitch method:
Replace
Normalized with:
Adobe Photoshop
Title:
ilbm-increase-03
Category / File format:
ILBM
Compression options:
Glitch method:
Increase
Normalized with:
Adobe Photoshop
Title:
ilbm-swap-00
Category / File format:
ILBM
Compression options:
Glitch method:
Swap
Normalized with:
Adobe Photoshop
Title:
ilbm-increase-01
Category / File format:
ILBM
Compression options:
Glitch method:
Increase
Normalized with:
Adobe Photoshop
Title:
webp-increase-01
Category / File format:
WEBP
Compression options:
Glitch method:
Increase
Normalized with:
libwebp
Title:
webp-replace-15
Category / File format:
WEBP
Compression options:
Glitch method:
Replace
Normalized with:
libwebp
Title:
webp-replace-07
Category / File format:
WEBP
Compression options:
Glitch method:
Replace
Normalized with:
libwebp
Title:
webp-swap-00
Category / File format:
WEBP
Compression options:
Glitch method:
Swap
Normalized with:
libwebp
Title:
webp-increase-04
Category / File format:
WEBP
Compression options:
Glitch method:
Increase
Normalized with:
libwebp
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JPEG XR GIF ILBM WEBP

グリッチを行う際、以下のルールを設けた。

  1. データに対する操作は次の4種類に限定する。
    1. Replace: 任意の箇所のバイト列を、同サイズの任意のバイト列に置き換える
    2. Increase: 任意の箇所のバイト列を、それより大きなサイズの任意のバイト列に置き換える
    3. Decrease: 任意の箇所のバイト列を、削除する
    4. Swap: 任意の箇所のバイト列と他の任意の箇所のバイト列を入れ替える
  2. 1以外の操作によって素材の表示を変化させない。リサイズをしない。リサンプルや品質劣化をできるかぎり避ける。
  3. 1の操作では、必要がないかぎりヘッダ領域とデータ領域を区別しない。
  4. 1の操作はすべてプログラムによって行う。

JPEG

現在もっとも普及している画像フォーマット。破損耐性が非常に高く壊れてもたいてい表示が可能であるため、グリッチしたものをインターネット上で頻繁に目撃することができる。そのため画像グリッチとして広く知られるのはこのJPEGのグリッチである。グリッチの効果は、グリッド状のズレ、発色の変化など。JPEG特有の劣化ノイズであるいわゆるモスキートノイズのパターンがグリッチによって現れることもあるようだ。JPEGは圧縮の際、データを8x8ピクセルごとに分割して管理する。正方形のノイズが現れるのはそのためである。ヘッダ領域を破損すると表示できなくなる場合が多いが、稀にタイルのような効果を生むことがある。CMYKカラースペースで保存されたデータはグリッチの際の変色がよりカラフルになるようだ。JPEGのインターレース仕様であるプログレッシブモードで保存された画像はグリッチした際、残像のような効果を生む。

JPEG 2000

JPEGの後継規格として開発されたフォーマット。圧縮率が高く品質劣化が少ないとされる。グリッチの効果は、波紋のようなブラー、正方形の網のようなノイズ、昆虫の表皮にありそうなカラフルな紋様状のノイズ、など。

JPEG XR

マイクロソフトが開発しJPEG規格となった新しいフォーマット。グリッチの効果は、格子状のブラー、原色の矩形塗りつぶし、ライフゲームのパターンあるいは雪の結晶を思わせる細かく規則的な模様。

PNG

PNGは品質劣化のない可逆圧縮の画像フォーマット。ファイルフォーマット仕様にCRCと呼ばれる誤り検出を持つため、やみくもにグリッチしたものは開けないファイルになる。そのためPNGをグリッチするためには、グリッチした後にその破損したデータから計算し直したCRCを付与する必要がある。
PNGの圧縮はおおまかに2段階の手順を踏む。まず圧縮前のデータに、圧縮効率がよくなるようにフィルタリングと呼ばれる処理を施す。そののち、zip圧縮としても有名なDeflateという圧縮を掛ける。グリッチをかけるタイミングは、フィルタリングされた圧縮前、そして圧縮後の2つ存在する。
圧縮前のデータに対するグリッチの効果は、フィルタリングのタイプによって異なる。PNGのフィルタリングにはSub、 Up、Average、Peath、加えてフィルタリング無しを意味するNoneの5種類があり、Subは横方向へのカラフルな線状のノイズ効果、Upは縦方向へのカラフルな線状のノイズ、Averageは左上から右下へ斜めにかかる虹色の光彩のような変色効果、PeathとNoneは原色で半透明の様々な形のピクセルノイズが無数に重なりあう他には見られない独特の効果を、それぞれグリッチの効果として持つ。また、過度な破損は砂嵐のような効果となる。
圧縮後のデータに対するグリッチは、おおむね砂嵐のような効果、細部にフィルタリング由来の効果。
また、インターレースモードのPNGは二重のグリッチ効果となる。そのとき、Averageフィルターのものは斜めの角度が異なる。

GIF

GIFは可逆圧縮の画像フォーマットだが、仕様上色数が制限されているため、写真などはかならず減色劣化することになる。その劣化はグリッチとは関係がない。GIFのグリッチ効果はピクセルの横へのズレ、それだけである。まれにヘッダ領域のカラーテーブルを破損することがあるが、目視できるほどの変化は生まれない。
インターレースモードのGIFは二重のグリッチ効果となる。

SGI

SGIはシリコングラフィックス用の画像フォーマット。グリッチの効果は、横方向への線状のノイズ、RGBのズレの効果。

PSD

PSDはAdobe Photoshop用のファイルフォーマット。グリッチの効果は、色空間のズレ、一部分の縦への連続表示、黒の塗りつぶしに規則的な模様、など。

PPM/PCX

PPMとPCXは、それぞれ関係のない画像形式だが、グリッチの効果は非常に似ている。矩形の減色とズレ。

RAW/BMP/TGA

これらの3種類の画像フォーマットのグリッチ効果はほぼ同じである。

TIFF

TIFFは多様な圧縮方式をサポートしている。ここでは無圧縮、LWZ、ZIP、JPEG、の4種の圧縮方式を取り上げた。当然だがグリッチする前はどれがどの圧縮であるか目で見てもわからない。無圧縮はBMPなどとグリッチ効果が似ている。LWZはGIFに採用されている圧縮形式、ZIPはPNGに採用されている圧縮形式、JPEGはJPEG圧縮の援用である。それぞれ比較してみることでグリッチ効果の共通点を見いだせるかもしれない。

ILBM

ILBMはAmiga用のファイルフォーマットだったようだ。グリッチの効果は、矩形のズレ、減色かつ変色による極彩色の模様、カラフルな砂嵐のような効果。

WEBP

元々On2テクノロジー社が開発していたVP8という動画コーデックで使われていた圧縮形式を元にした画像フォーマット。同社を買収したグーグル社が画像用に応用し規格化したのがWebPである。グリッチの効果は、絵の具が斜めに流れ崩れているような効果。