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gptkbp:instanceOf
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gptkb:image_compression_method
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gptkbp:appliesTo
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digital images
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gptkbp:block
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8x8 pixels
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gptkbp:canBe
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progressive
baseline
arithmetic coding (optional)
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gptkbp:canBeAdjustedBy
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quality factor
compression level
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gptkbp:compatibleWith
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transparency
lossless compression (standard JPEG)
suitable for medical imaging (standard JPEG)
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gptkbp:compressionRatio
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10:1 to 20:1 (typical)
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gptkbp:fileExtension
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.jpg
.jfif
.jif
.jpe
.jpeg
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gptkbp:hasVariant
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gptkb:JPEG_2000
gptkb:Motion_JPEG
Lossless JPEG
Progressive JPEG
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gptkbp:heldBy
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gptkb:standard
block-based compression
most common image format on the web
patent-free (as of 2004)
widely used for photographs
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gptkbp:introducedIn
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1992
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gptkbp:notRecommendedFor
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images with sharp edges
line art
text images
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gptkbp:standardizedBy
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gptkb:ISO/IEC_10918
gptkb:Joint_Photographic_Experts_Group
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gptkbp:subject
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compression artifacts
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gptkbp:supportedBy
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gptkb:image_editing_software
operating systems
web browsers
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gptkbp:supports
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24-bit color
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gptkbp:usedIn
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photo sharing
digital cameras
web images
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gptkbp:uses
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gptkb:Huffman_coding
gptkb:discrete_cosine_transform
lossy compression
quantization
entropy coding
chroma subsampling
run-length encoding
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gptkbp:bfsParent
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gptkb:YUV_4:2:0
gptkb:Information_technology_–_Digital_compression_and_coding_of_continuous-tone_still_images_–_Requirements_and_guidelines
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gptkbp:bfsLayer
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7
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https://www.w3.org/2000/01/rdf-schema#label
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JPEG image compression
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