Statements (51)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
image compression method
|
| gptkbp:appliesTo |
digital images
|
| gptkbp:block |
8x8 pixels
|
| gptkbp:canBe |
progressive
baseline arithmetic coding (optional) |
| gptkbp:canBeAdjustedBy |
quality factor
compression level |
| gptkbp:compatibleWith |
transparency
lossless compression (standard JPEG) suitable for medical imaging (standard JPEG) |
| gptkbp:compressionRatio |
10:1 to 20:1 (typical)
|
| gptkbp:fileExtension |
.jpg
.jfif .jif .jpe .jpeg |
| gptkbp:hasVariant |
gptkb:JPEG_2000
gptkb:Motion_JPEG Lossless JPEG Progressive JPEG |
| gptkbp:heldBy |
gptkb:standard
block-based compression most common image format on the web patent-free (as of 2004) widely used for photographs |
| https://www.w3.org/2000/01/rdf-schema#label |
JPEG image compression
|
| gptkbp:introducedIn |
1992
|
| gptkbp:notRecommendedFor |
images with sharp edges
line art text images |
| gptkbp:standardizedBy |
gptkb:ISO/IEC_10918
gptkb:Joint_Photographic_Experts_Group |
| gptkbp:subject |
compression artifacts
|
| gptkbp:supportedBy |
operating systems
web browsers image editing software |
| gptkbp:supports |
24-bit color
|
| gptkbp:usedIn |
photo sharing
digital cameras web images |
| gptkbp:uses |
gptkb:Huffman_coding
gptkb:discrete_cosine_transform lossy compression quantization entropy coding chroma subsampling run-length encoding |
| gptkbp:bfsParent |
gptkb:libjpeg-turbo
gptkb:TurboJPEG |
| gptkbp:bfsLayer |
6
|