ThisdistributioncontainsroutinesformanipulatingfilesformattedaccordingtotheJointPhotographicExpertsGroup(JPEG)standard.Matlab'sbuilt-inIMREADandIMWRITEfunctionsprovidebasicconversionbetweenJPEGfilesandimagearrays.TheroutinesinthispackageprovideadditionalfunctionalityfordirectlyaccessingthecontentsofJPEGfilesfromMatlab,includingtheDiscreteCosineTransform(DCT)coefficients,quantizationtables,Huffmancodingtables,colorspaceinformation,andcommentmarkers.ItisassumedthattheuserofthissoftwarehasagoodunderstandingofboththeJPEGcompressionstandardandMatlabdatastructures.ThissoftwareisbasedinpartontheworkoftheIndependentJPEGGroup(IJG),asitmakesuseofIJG'sfreeJPEGcodelibrary.IftheMEXfilebinariesprovidedinthisdistributionarenottheonesyouneedforyoursystem,youwillneedtodownloadIJG'scodelibraryandinstallitonyoursystembeforecompilingthesourcecode.See"Installing"formoredetails.----PhilSallee9/2003
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