1、INCITS/ISO/IEC 15444-2-20042008 (ISO/IEC 15444-2:2004, IDT) Information technology JPEG 2000 image codingsystem: ExtensionsINCITS/ISO/IEC 15444-2-20042008(ISO/IEC 15444-2:2004, IDT)Copyright American National Standards Institute Provided by IHS under license with ANSI Not for ResaleNo reproduction o
2、r networking permitted without license from IHS-,-,-INCITS/ISO/IEC 15444-2-20042008 ii ITIC 2008 All rights reserved PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless the typeface
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5、vent that a problem relating to it is found, please inform the Central Secretariat at the address given below. Adopted by INCITS (InterNational Committee for Information Technology Standards) as an American National Standard. Date of ANSI Approval: 11/12/2008 Published by American National Standards
6、 Institute, 25 West 43rd Street, New York, New York 10036 Copyright 2008 by Information Technology Industry Council (ITI). All rights reserved. These materials are subject to copyright claims of International Standardization Organization (ISO), International Electrotechnical Commission (IEC), Americ
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8、 be submitted to ITI, 1250 Eye Street NW, Washington, DC 20005. Printed in the United States of America Copyright American National Standards Institute Provided by IHS under license with ANSI Not for ResaleNo reproduction or networking permitted without license from IHS-,-,- ITIC 2008 All rights res
9、erved iiiCONTENTS Page 1 Scope 1 2 References 1 2.1 Identical Recommendations | International Standards 1 2.2 Additional references 2 3 Definitions 3 4 Abbreviations . 4 5 Symbols 4 6 General description. 5 6.1 Extensions specified by this Recommendation | International Standard. 5 6.1.1 Syntax . 5
10、6.1.2 Variable DC offset 5 6.1.3 Variable scalar quantization 5 6.1.4 Trellis coded quantization. 5 6.1.5 Visual masking 5 6.1.6 Arbitrary decomposition . 5 6.1.7 Arbitrary wavelet transformation 6 6.1.8 Single sample overlap discrete wavelet transformations. 6 6.1.9 Multiple component transformatio
11、ns 6 6.1.10 Non-linear transformation. 6 6.1.11 Region of interest 6 6.1.12 File format. 6 6.1.13 Metadata definitions 6 6.2 Relation between extensions . 7 Annex A Compressed data syntax, extension. 8 A.1 Extended capabilities 8 A.2 Extensions to ITU-T Rec. T.800 | ISO/IEC 15444-1 marker segment pa
12、rameters . 8 A.2.1 Image and tile size (SIZ), extended. 9 A.2.2 Start of tile-part (SOT) extended. 9 A.2.3 Coding style (COD, COC), extended 10 A.2.4 Quantization (QCD, QCC), extended . 12 A.2.5 Region of interest (RGN), extended 14 A.3 Extended marker segments 15 A.3.1 Variable DC offset (DCO) 15 A
13、.3.2 Visual masking (VMS) . 16 A.3.3 Downsampling factor styles (DFS). 17 A.3.4 Arbitrary decomposition styles (ADS) 18 A.3.5 Arbitrary transformation kernels (ATK) . 19 A.3.6 Component bit depth definition (CBD). 21 A.3.7 Multiple component transformation definition (MCT) . 22 A.3.8 Multiple compon
14、ent transform collection (MCC). 23 A.3.9 Multiple component transform ordering (MCO). 26 A.3.10 Non-linearity point transformation (NLT) 27 A.3.11 Quantization default, precinct (QPD) 29 A.3.12 Quantization precinct component (QPC) 30 Annex B Variable DC offset, extension . 33 B.1 Variable DC offset
15、 flow 33 B.2 Inverse DC offset 33 B.3 Forward DC offset (informative) 33 Annex C Variable scalar quantization, extension . 35 C.1 Variable scalar quantization 35 C.2 Variable scalar dequantization for irreversible filters . 35 C.3 Variable scalar quantization for irreversible filters (informative).
16、36 INCITS/ISO/IEC 15444-20042008Copyright American National Standards Institute Provided by IHS under license with ANSI Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-iv ITIC 2008 All rights reservedPage Annex D Trellis coded quantization extensions . 37 D.1 Intro
17、duction to TCQ 37 D.2 Sequence definition. 39 D.3 Forward TCQ quantization (informative) . 39 D.4 Inverse quantization (normative) 41 D.4.1 Full TCQ dequantization. 41 D.4.2 Approximate dequantization . 43 D.5 Lagrangian rate allocation (informative). 44 Annex E Visual masking, extensions 49 E.1 Int
18、roduction to visual masking (informative) 49 E.2 Point-wise extended non-linearity (informative). 49 E.3 Decoding with visual masking 51 E.4 Encoding with visual masking (informative) 52 E.5 Setting parameters (informative). 52 E.6 Compatibility with other technologies (informative) 53 Annex F Arbit
19、rary decomposition of tile-components, extensions. 54 F.1 Wavelet sub-bands 54 F.1.1 Tier 1: Number of decomposition levels. 54 F.1.2 Tier 2: Resolution formation. 54 F.1.3 Tier 3: Sub-level decompositions 54 F.1.4 Tier 4: Horizontal and vertical splits to variable sub-level depths 54 F.1.5 Complete
20、 sub-band notation . 55 F.1.6 HorOrient, VerOrient and PrimeOrient sub-band operators . 55 F.2 Equation, text and decomposition updates 55 F.2.1 Updates to NLLL references . 56 F.2.2 Context updates. 56 F.2.3 Extension to ITU.T Rec. T.800 | ISO/IEC 15444-1 Equation B-14 56 F.2.4 Remaining updates 57
21、 F.2.5 Updates to decomposition structure 61 F.3 Inverse discrete wavelet transformation for general decompositions 66 F.3.1 Modified IDWT procedure . 67 F.3.2 Modified 2D_SR procedure 68 F.3.3 Modified 2D_INTERLEAVE procedure 69 F.4 Forward discrete wavelet transformation for general decompositions
22、 (informative) 73 F.4.1 Modified FDWT procedure. 73 F.4.2 Modified 2D_SD procedure 74 F.4.3 Modified 2D_DEINTERLEAVE procedure . 75 Annex G Whole-sample symmetric transformation of images, extensions 80 G.1 Wavelet transformation parameters, definitions and normalizations 80 G.2 Whole-sample symmetr
23、ic (WS) wavelet transformations reconstruction . 80 G.2.1 Normalization of WS wavelet transformations . 80 G.2.2 One-dimensional sub-band reconstruction procedure for WS wavelet transformations 81 G.3 Whole-sample symmetric (WS) wavelet transformation decomposition (informative) 84 G.3.1 The 1D_SD_W
24、S procedure (informative) 84 G.3.2 The 1D_FILTD_WS one-dimensional decomposition procedure (informative) 84 G.4 Examples of WS wavelet transformations (informative) 86 G.4.1 Reversible WS wavelet transformations (WT_Typ = REV) (informative) 86 G.4.2 Irreversible WS wavelet transformations (WT_Typ =
25、IRR) (informative) 87 Annex H Transformation of images using arbitrary wavelet transformations 89 H.1 Wavelet transformation parameters and normalizations . 89 H.1.1 Normalization of ARB wavelet transformations. 89 H.1.2 Compatibility of ARB and WS wavelet transformations 89 INCITS/ISO/IEC 15444-200
26、42008Copyright American National Standards Institute Provided by IHS under license with ANSI Not for ResaleNo reproduction or networking permitted without license from IHS-,-,- ITIC 2008 All rights reserved vPage H.2 Arbitrary (ARB) wavelet transformation reconstruction procedures 90 H.2.1 The exten
27、ded 1D_SR_ARB procedure . 90 H.2.2 The 1D_SCALER procedure 91 H.2.3 The 1D_STEPR procedure 92 H.2.4 Extension procedures 92 H.2.5 One-dimensional reconstruction update filtering procedures 94 H.3 Arbitrary (ARB) wavelet transformation decomposition procedures (informative) . 95 H.3.1 Extended 1D_SD_
28、ARB procedure (informative) . 95 H.3.2 The 1D_STEPD procedure (informative) . 96 H.3.3 Extension procedures (informative) 97 H.3.4 One-dimensional decomposition update procedures (informative). 97 H.3.5 1D_SCALED procedure (informative) . 98 H.4 Examples of ARB wavelet transformations (informative)
29、99 H.4.1 Examples of arbitrary wavelet transformations (Filt_Cat = ARB) (informative) . 99 H.4.2 Example of a structure for lifting implementation of half-sample symmetric wavelet transformations (informative) . 101 Annex I Single sample overlap discrete wavelet transform, extensions . 103 I.1 Intro
30、duction to single sample overlapping 103 I.2 The code-block anchor points (CBAP) extension . 103 I.2.1 Division of resolution levels in precincts 103 I.2.2 Division of the sub-bands into codeblocks 104 I.2.3 Resolution level-position-component-layer progression. 105 I.2.4 Position-component-resoluti
31、on level-layer progression 106 I.2.5 Component-position-resolution level-layer progression . 106 I.3 The SSO extension 107 I.3.1 Single sample overlap inverse discrete wavelet transformation (SSO-IDWT) . 107 I.3.2 Single sample overlap forward discrete wavelet transformation (informative) 110 I.3.3
32、Selection of single sample overlap parameters (informative) . 112 I.3.4 SSO examples (informative) . 113 I.4 The TSSO extension . 115 I.4.1 Signalling for the TSSO 115 I.4.2 Partitioning of the image into single-sample overlapping tiles . 115 I.4.3 Reconstruction of images samples from reconstructed
33、 tiles . 116 I.5 Combining the SSO and TSSO extensions (informative) . 116 Annex J Multiple component transformations, extension. 117 J.1 Introduction to multiple component transformation concepts. 117 J.2 Overview of inverse processing 117 J.2.1 Inverse multiple component transformation (MCO_TRANSF
34、ORM). 118 J.2.2 Multiple component transformation stage (MCC_TRANS) . 119 J.2.3 Transformation component collection (CC_TRANS). 121 J.3 Transformations 123 J.3.1 Array-based transforms. 124 J.3.2 Wavelet-based transformation. 132 Annex K Non-linear transformation . 134 K.1 Signallng the use of the n
35、on-linear transformations 134 K.1.1 Decoded component reconstruction 134 K.1.2 Bit depth and interaction with the multiple component transformation 134 K.1.3 Marker interpretation 135 K.2 Non-linear transformation specifications 135 K.2.1 Gamma-style non-linearity 135 K.2.2 LUT-style reverse non-lin
36、earity transformation 137 Annex L Region of interest coding and extraction, extensions. 139 L.1 Decoding of ROI. 139 L.2 Description of the Scaling based method 139 L.2.1 Encoding with ROI (informative) . 139 INCITS/ISO/IEC 15444-20042008Copyright American National Standards Institute Provided by IH
37、S under license with ANSI Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-vi ITIC 2008 All rights reservedPage L.3 Region of interest mask generation. 140 L.3.1 Rectangular mask generation on the reference grid 141 L.3.2 Elliptic mask generation on the reference gr
38、id 141 L.3.3 Region of Interest mask generation of whole-sample symmetric filter banks 142 L.3.4 Region of Interest mask generation of arbitrary optional filter banks. 142 L.3.5 Fast generation of a rectangular mask (informative). 143 L.4 Remarks on region of interest coding 145 L.4.1 Usage together
39、 with Maxshift method described in ITU-T T.800 | ISO/IEC 15444-1 . 145 L.4.2 Multi-component remark (informative) 145 L.4.3 Implementation Precision remark (informative) . 145 Annex M JPX extended file format syntax. 146 M.1 File format scope. 146 M.2 Introduction to JPX . 146 M.2.1 File identificat
40、ion 146 M.2.2 File organization . 146 M.2.3 Greyscale/Colour/multi-component specification. 147 M.2.4 Specification of opacity information. 147 M.2.5 Metadata 147 M.2.6 Storage of a codestream within JPX . 147 M.2.7 Combining multiple codestreams 147 M.3 Greyscale/Colour/Palette/multi-component spec
41、ification architecture . 148 M.3.1 Extensions to the Colour Specification box header. 148 M.3.2 Extensions to the Enumerated method 148 M.3.3 Any ICC method . 148 M.3.4 Vendor Colour method 148 M.3.5 Palettized colour 149 M.3.6 Using multiple methods 149 M.3.7 Interactions with the decorrelating mul
42、tiple component transformation. 149 M.4 Fragmenting the codestream between one or more files . 149 M.5 Combining multiple codestreams 151 M.5.1 Mapping codestreams to compositing layers 151 M.5.2 Sharing header and metadata information between codestreams and compositing layers 152 M.5.3 Composition
43、 152 M.6 Using reader requirements masks to determine how a file can be used 154 M.6.1 Types of expressions. 155 M.6.2 Expression representation . 155 M.6.3 Testing an Implementation against Requirements Expressions 160 M.7 Extensions to the JPX file format and the registration of extensions 161 M.7
44、.1 Registration elements 161 M.7.2 Differentiation between publication and registration 162 M.7.3 Items which can be extended by registration 162 M.7.4 Published items . 164 M.7.5 Registration process 165 M.7.6 Timeframes for the registration process 165 M.8 Differences from the JP2 binary definitio
45、n . 165 M.9 Conformance. 166 M.9.1 Interpretation of JPX data structures. 166 M.9.2 Support for JPX feature set . 166 M.10 Key to graphical descriptions (informative) 168 M.11 Defined boxes . 168 M.11.1 Reader Requirements box . 171 M.11.2 Data Reference box. 174 M.11.3 Fragment Table box (superbox)
46、 174 M.11.4 Cross-Reference box . 175 M.11.5 JP2 Header box (superbox) . 176 M.11.6 Codestream Header box (superbox) 178 M.11.7 Compositing Layer Header box (superbox) 179 M.11.8 Contiguous Codestream box . 190 M.11.9 Media Data box. 191 INCITS/ISO/IEC 15444-20042008Copyright American National Stand
47、ards Institute Provided by IHS under license with ANSI Not for ResaleNo reproduction or networking permitted without license from IHS-,-,- ITIC 2008 All rights reserved viiPage M.11.10 Composition box (superbox). 191 M.11.11 Association box (superbox). 194 M.11.12 Number List box . 196 M.11.13 Label
48、 box 197 M.11.14 Binary Filter box . 197 M.11.15 Desired Reproductions box (superbox). 198 M.11.16 ROI Description box . 199 M.11.17 Digital Signature box 200 M.11.18 XML box 202 M.11.19 MPEG-7 Binary box . 203 M.11.20 Free box 203 M.12 Dealing with unknown boxes 203 M.13 Using the JPX file format i
49、n conjunction with other multi-media standards (informative) 203 Annex N JPX file format extended metadata definition and syntax. 204 N.1 Introduction to extended metadata 204 N.2 Additional references for extended metadata 204 N.3 Scope of metadata definitions . 204 N.3.1 Image Creation metadata. 205 N.3.2 C
