Table of Contents
1Scope
2Normativereferences
2.1IdenticalRecommendations/InternationalStandards
2.2Additionalreferences
3Definitions,abbreviations,symbolsand
conventions
3.1Definitions
3.2Abbreviations
3.3Symbols
4Generaldescription
4.1Purpose
4.2Codingprinciples
4.3Sourceimage
4.4Encodingprocess
4.5Decodingprocess
4.6Codingofmultiplecomponentimages
4.7Compressedimagedata
4.8Interchangeformat
5Interchangeformatrequirements
6Encoderrequirements
7Decoderrequirements
8Conformancetesting
8.1Purpose
8.2EncoderconformanceTests
8.3DecoderconformanceTests
AnnexA-Encodingproceduresforasinglecomponent
A.1Codingparametersandcompressedimage
data
A.2Initialisationsandconventions
A.3Contextdetermination
A.4Prediction
A.5Predictionerrorencoding
A.6Updatevariables
A.7RunMode
A.8Flowofencodingprocedures
AnnexB-Encodingproceduresforasinglecomponent
B.1Introduction
B.2Lineinterleavedmode
B.3Sampleinterleavedmode
B.4MinimumCodedUnit(MCU)
AnnexC-Encodingproceduresforasinglecomponent
C.1Generalaspectsofthecompresseddata
formatspecification
C.2GeneralJPEG-LScodingsyntax
C.3Abbreviatedformatforcompressedimagedata
C.4Abbreviatedformatfortable-specification
data
AnnexD-Controlprocedures
D.1Controlprocedureforencodinganimage
D.2Controlprocedureforencodingaframe
D.3Controlprocedureforencodingascan
D.4Controlprocedureforencodingarestart
interval
D.5ControlprocedureforencodingaMinimum
CodedUnit(MCU)
AnnexE-ConformanceTests
E.1Testimages
AnnexF-Decodingprocedures
F.1Processflow
AnnexG-Descriptionofthecodingprocess
G.1Contextmodelling
G.2Encodingintheregularcodingmode
G.3Encodingintherunmode
AnnexH-Controlprocedures
H.1Introduction
H.2Exampleofhowbitsareoutputinthebit
stream
H.3Detailedcodingexample
H.4Exampleimagedata
H.5UseofSPIFFwithJPEG-LScompressedimage
data
AnnexI-Bibliography
Includeddiskette:
-JPEG-LSreferenceimplementation
-JPEG-LSconformancetestingimageset
-Auxiliaryprogramsandexamples Abstract
Specifies a set of lossless (bit-preserving) and nearly lossless (where the error for each reconstructed sample is bounded by a pre-defined value) compression methods for coding continuous-tone, gray-scale, or colour digital still images.
