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ITU T.812:2007

ITU T.812:2007 Information Technology - Jpeg 2000 Image Coding System: An Entry Level Jpeg 2000 Encoder Describes a normative entry level JPEG 2000 encoder providing one or more optional complete encoding paths that use various features defined in the JPEG 2000 specifications.

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Table of Contents

1Scope
1.1Context
1.2Requirements
2References
2.1IdenticalRecommendations/InternationalStandards
3Definitions
4Abbreviationsandsymbols
4.1Abbreviations
4.2Symbols
5Generaldescription
5.1Codestream
5.2Codingprinciples
6Encoderrequirements
6.1General
6.2Encoderfunctiondefinition
6.3Implementation
6.4Codestreamdescription
7Optionalfileformatrequirements
AnnexA-Codestreamsyntax
AnnexB-Imageandcompressedimagedataordering
AnnexC-Arithmeticentropycoding
C.1Binaryencoding
C.2Descriptionofthearithmeticencoder
AnnexD-Coefficientbitmodelling
D.1Code-blockscanpatternwithincode-blocks
D.2Coefficientbitsandsignificance
D.3Encodingpassesoverthebit-planes
D.4Initializingandterminating
D.5Errorresiliencesegmentationsymbol
D.6Selectivearithmeticcodingbypass
D.7Verticallycausalcontextformation
D.8Flowdiagramofthecode-blockcoding
AnnexE-Quantization
E.1Inversequantizationprocedure(Informative)
E.2Scalarcoefficientquantization
AnnexF-Discretewavelettransformationoftile-components
F.1Tile-componentparameters
F.2Discretewavelettransformations
F.3Forwardtransformation
F.4Sub-samplingofcomponents
F.5Visualfrequencyweighting
AnnexG-DClevelshiftingandmultiplecomponent
transformations
G.1DClevelshiftingoftile-components
G.2Forwardreversiblemultiplecomponenttransformation(RCT)
G.3Forwardirreversiblemultiplecomponenttransformation(ICT)
G.4Chrominancecomponentsub-samplingandthereferencegrid
AnnexH-Codingofimageswithregionsofinterest
H.1DescriptionoftheMaxshiftmethod
H.2Remarksonregionofinterestcoding
AnnexI-JP2fileformatsyntax

Abstract

Describes a normative entry level JPEG 2000 encoder providing one or more optional complete encoding paths that use various features defined in the JPEG 2000 specifications.

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