文件列表:

charls.def (139, 2010-11-04)
CharLS.sln (2898, 2010-11-04)
CharLS.vcproj (11843, 2010-11-04)
CMakeLists.txt (954, 2010-11-04)
colortransform.h (4327, 2010-11-04)
config.h (1351, 2010-11-04)
context.h (1870, 2010-11-04)
contextrunmode.h (1726, 2010-11-04)
decoderstrategy.h (5628, 2010-11-04)
defaulttraits.h (2740, 2010-11-04)
encoderstrategy.h (3121, 2010-11-04)
header.cpp (13165, 2010-11-04)
header.h (1322, 2010-11-04)
interface.cpp (5137, 2010-11-04)
interface.h (1468, 2010-11-04)
jpegls.cpp (4777, 2010-11-04)
License.txt (1527, 2010-11-04)
lookuptable.h (1084, 2010-11-04)
losslesstraits.h (2837, 2010-11-04)
plainc (0, 2010-11-04)
plainc\plainc.c (72, 2010-11-04)
plainc\plainc.vcproj (3669, 2010-11-04)
processline.h (6773, 2010-11-04)
publictypes.h (1320, 2010-11-04)
scan.h (24461, 2010-11-04)
stdafx.cpp (0, 2010-11-04)
streams.h (3257, 2010-11-04)
test (0, 2010-11-04)
test\0015.raw (1048576, 2010-11-04)
test\alphatest.raw (436240, 2010-11-04)
test\bitstreamdamage.cpp (3265, 2010-11-04)
test\CMakeLists.txt (83, 2010-11-04)
test\compliance.cpp (6928, 2010-11-04)
test\config.h (449, 2010-11-04)
test\conformance (0, 2010-11-04)
test\conformance\T16E0.JLS (60077, 2010-11-04)
test\conformance\T16E3.JLS (42189, 2010-11-04)
test\conformance\T16E3.pgm (131088, 2010-11-04)
test\conformance\T8C0E0.JLS (102248, 2010-11-04)
... ...

JPEG-LS TEST IMAGES =================== The images included in this package constitute the data set used for implementing the JPEG-LS conformance test as described in Section 8 and Annex E of the JPEG-LS standard document (ITU-T Rec. T.87|ISO/IEC 14495-1). Test images: ------------ (See explanation of PPM and PGM formats below) TEST8.PPM - 8-bit color test image (photo+graphics+text+random data). TEST8R.PGM - "red" component of TEST8 TEST8G.PGM - "green" component of TEST8 TEST8B.PGM - "blue" component of TEST8 TEST8GR4.PGM - "green" component of TEST8, subsampled 4X in the vertical direction TEST8BS2.PGM - "blue" component of TEST8, subsampled 2X in both directions TEST16.PGM - 16-bit test gray-scale image (actually 12-bit) Compressed images: ------------------ T8CxEy.JLS x=0,1,2 y=0,3 Image TEST8 compressed in color mode x with near-lossless error y (y=0 means lossless). T16Ey.JLS y=0,3 Image TEST16 compressed with near-lossless error y. T8SSE0.JLS T8SSE3.JLS Image TEST8 compressed in line-interleaved mode, with near-lossless error 0 and 3 (resp.), and with color components subsampled as follows: R: not subsampled (256 cols x 256 rows) G: subsampled 4x in the vertical direction (256 cols x *** rows) B: subsampled 2x in both directions (128 cols x 128 rows) T8NDE0.JLS T8NDE3.JLS Image TEST8 compressed in line-interleaved mode, with near-lossless error 0 and 3 (resp.), and with NON-DEFAULT parameters T1=T2=T3=9, RESET=31. The compressed images are provided to help testers/developers debug their JPEG-LS implementations. The test images contain a mixture of data that will exercise many paths in the compression/decompression algorithms. There is no guarantee, however, that every path of the algorithm is tested. THE TEST IMAGES SHOULD NOT BE USED TO BENCHMARK COMPRESSION CAPABILITY. THEY ARE DESIGNED TO BE "HARD" ON THE JPEG-LS COMPRESSOR. JPEG-LS MAY DO WORSE THAN YOUR FAVORITE COMPRESSOR ON THE TEST IMAGES. All compressed images have standard JPEG-LS headers (which follow the standard JPEG marker syntax). All compressed images were produced using default parameters, except for T8NDE0.JLS and T8NDE3.JLS as noted above. PPM and PGM INPUT IMAGE FORMATS ------------------------------- Uncompressed test images images are in either PGM (grayscale) or PPM (3-color) format. This is of course NOT part of the JPEG-LS standard. These formats have an ASCII header consisting of 3 lines of the following form * PGM (single component): P5 cols rows maxval * PPM (3 components) P6 cols rows maxval For PGM, the header is followed by cols*rows samples in binary format, where cols and rows are the number of columns and rows, respectively. A test image "cmpnd2g.pgm" is included in the archive. Samples have 8 bits if maxval < 256, or 16 bits if 256 <= maxval < 65536. For PPM, the header is followed by cols*rows TRIPLETS of symbols in binary format. Each symbol in a triplet represents a color component value (viewers usually interpret PPM triplets as RGB).

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