1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS X ISO/IEC 29199 2 JPEG XR 2： KS X ISO/IEC 29199 2:2010 2010 12 20 http:/www.kats.go.krKS X ISO/IEC 29199 2:2010 : e- ( ) ( ) () () ( ) : (http:/www.standard.go.kr) ： ：2010 12 20 2010-0604 ： e- ： ( 02-509-7262) (http:/www.kats.go.kr). 10 5 , . KS X ISO/IEC
2、 29199 2:2010 i . iii iv 1 1 2 1 3 .1 4 9 5 9 5.1 9 5.2 .9 5.3 .16 5.4 .17 5.5 19 5.6 VLC deltaDisc 26 5.7 .27 6 .27 6.1 .27 6.2 27 6.3 .28 6.4 29 6.5 30 6.6 31 6.7 .31 7 32 7.1 .32 7.2 .33 7.3 .34 8 , 35 8.1 .35 8.2 CODED_IMAGE( )36 8.3 IMAGE_HEADER( )38 8.4 IMAGE_PLANE_HEADER( )47 8.5 INDEX_TABLE_
3、TILES( )57 8.6 PROFILE_LEVEL_INFO( ).58 8.7 CODED_TILES( ) .59 8.8 VLC 100 8.9 CBPLP .109 8.10 CBPHP 109 KS X ISO/IEC 29199 2:2010 ii 8.11 110 8.12 .114 9 .116 9.1 .116 9.2 116 9.3 .117 9.4 .117 9.5 119 9.6 .121 9.7 132 9.8 .137 9.9 140 9.10 .181 A( ) .197 A.1 .197 A.2 .197 A.3 .198 A.4 .198 A.5 FIL
4、E_HEADER( )198 A.6 IMAGE_FILE_DIRECTORY( )199 A.7 IFD_ENTRY( ) 200 B( ) 225 B.1 .225 B.2 .225 B.3 .227 C( ) 229 C.1 229 C.2 JPEG XR 230 D( ) .233 D.1 .233 D.2 .233 D.3 233 D.4 .236 D.5 .241 D.6 247 D.7 247 D.8 .247 D.9 .247 E( ) 249 250 KS X ISO/IEC 29199 2:2010 iii ISO( ) IEC( ) . ISO IEC . ISO IEC
5、 . ISO IEC . ISO IEC ISO/IEC JTC 1 . ISO/IEC 2 (Directives, Part 2) . . . 75 % . . ISO IEC . ISO/IEC 29199 2 ISO/IEC JTC 1, (Information technology) SC 29, , , (Coding of audio, picture, multimedia and information) ITU-T . ITU-T Rec. T.832 . KS X ISO/IEC 29199 JPEG XR (Information technology JPEG XR
6、 image codig system) . 1： 2： 3： JPEG XR 4： 5： KS X ISO/IEC 29199 2:2010 iv 2009 1 ISO/IEC 29199 2, Information technology JPEG XR image coding system Part 2： Image coding specification . JPEG XR . JPEG XR . JPEG XR . . JPEG XR . . . , . 2008 ITU-T T.81|ISO/IEC 10918 1 JPEG . 8 256 ( 16 777 216 ). 65
7、 536 2.81014 16 . . 5 6 . JPEG XR . JPEG XR , , RGB, CMYK n- . . (HDR) . JPEG XR . . KS X ISO/IEC 29199 2:2010 v . ( .) , RGB, CMYK n- 8 16 16 32 16 32 1 RGB 5 10 RGBE . . 1616 , ( ) . . RGB CMYK . YUV, n- . , . , . . 8 16 (32 ). 24 . . JPEG XR . A . B . C . D . ISO/IEC E . KS X ISO/IEC 29199 2:2010
8、 JPEG XR 2： Information technology JPEG XR image coding system Part 2： Image coding specification 1 JPEG XR . 2 A A.2 . 3 . A A.3 . 3.1 (adaptive coefficient normalization) VLC ( , “ ” ) VLC (parsing) DC FLC . 3.2 (adaptive inverse scanning) 3.3 VLC(adaptive VLC) VLC KS X ISO/IEC 29199 2:2010 2 3.4
9、(alpha image plane) . 3.5 (block) mn mn . m n 4 . 3.6 (block index) 16 44 1616 44 0 15 . . 3.7 (byte) 8 3.8 (byte-aligned) 0 8 . 3.9 (chroma) 0 3.10 (coded block pattern high-pass) , 0 . 3.11 (coded block pattern low-pass) 0 . 3.12 (coded block status) 0 . 3.13 (codestream) , ( 8 ) , ( 9 ) ( ) KS X
10、ISO/IEC 29199 2:2010 3 3.14 (component) 3.15 (context) 3.16 (context variable) VLC 3.17 DC (DC coefficient) 3 3.18 DC-LP (DC-LP array) DC 3.19 (decoder) . 3.20 (decoding process) 3.21 (dequantization) 3.22 (discriminant) 5.5.5 VLC DiscrimVal1 DiscrimVal2 3.23 (encoder) 3.24 (encoding process) KS X I
11、SO/IEC 29199 2:2010 4 3.25 (extended image) 16 . 3.26 (file) ( “ ” ) 3.27 (file format) 3.28 FLC (FLC refinement) DC 3.29 (flexbit) 3.30 (frequency band) (DC , , ) 3.31 (frequency mode) DC, , 3.32 (hard tile) . . 3.33 (high-pass coefficient) 3 3.34 (image) KS X ISO/IEC 29199 2:2010 5 3.35 (image pla
12、ne) 3.36 (initial level value) VLC 3.37 (internal color format) 3.38 (ICT： inverse core transform) 3.39 (inverse transform process) 3.40 (inverse scanning) 3.41 (little-endian form) ( , .) 3.42 (low-pass coefficient) 3 3.43 (luma) 0 . 3.44 (macroblock) i j KS X ISO/IEC 29199 2:2010 6 3.45 (macrobloc
13、k partition) 1616, 88 168 . 3.46 (output bit depth) 3.47 (output color format) 3.48 (output formatting process) ( ) . 3.49 output image height) 3.50 output image width) 3.51 overlap filtering) . . . . 3.52 (parsing process) , , 3.53 prediction) 3.54 prediction residual) KS X ISO/IEC 29199 2:2010 7 3
14、.55 primary image plane) . . 3.56 QP QP index) QP . 3.57 QP QP set) 3.58 quantization parameter) 3.59 (raster scan order) 2 3.60 (refinement) 3.61 (run) 0 0 3.62 (sample reconstruction process) 3.63 (soft tile) 3.64 (spatial co-location) . i jKS X ISO/IEC 29199 2:2010 8 . 3.65 (spatial mode) DC, , 3
15、.66 (spatial transformation) 8.3.8 ( , 0 ) . 3.67 (start code) 3.68 (tile) i j . 3.69 (tile packet) 3.70 (tile partition) 6.4 3.71 (transform coefficient) 3.72 (VLC： variable length code) 3.73 VLC (refinement) VLC VLC . VLC VLC . KS X ISO/IEC 29199 2:2010 9 3.74 (windowing) 3.75 (zigzag scan order) 4 CBPHP Coded block pattern high-pass( ) CBPLP Coded block pattern low-pass( ) FCT Forward core transform( ) FLC Fixed length code( ) HP High-pass( ) ICT In
