基于小波變換的遙感圖像壓縮.pdf

1、桂林工學(xué)院碩士學(xué)位論文基于小波變換的遙感圖像壓縮姓名：張靜申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：大地測(cè)量學(xué)與測(cè)量工程指導(dǎo)教師：文鴻雁20080401桂林工學(xué)院碩士學(xué)位論文AbstractTheremotesensingisdevelopedrapidlyandplaymoreandmoreimportantroleinthenationaleconomyandsocialdevelopmentRemotesensingdata’Sgreatinfor

2、mationcontent，largecapacityandmoreandmorehighresolutionsetahigherrequesttotheimagememoryandthetransmissionTherefore，effectiveimagecompressionisspeciallyimportantDependontheremotesensingimage’Scharacteristicandwavelettran

3、sformationnaturethoroughanalysis，thisarticlehaschosenbasedonthewavelettransformationasremotesensingimagecompressionmethodafterthesynthesishascomparedineachkindofcompressedencodingalgorithmfoundationInthelastfewyears，thew

4、avelettransformationisonekindofrecentsignalprocessingtoolandisutilizinginthenumerousnaturalsciencesdomains，ithasalreadybecomeoneofcurrentmostpowerfulanalysistoolsFirsttoimagecompression’Sdevelopmentsurvey，theremotesensin

5、gimagecompression’Snecessityandthewavelettransformation’Soriginhascarriedontheanalysisinimagecompression’SapplicationsituationTheprincipleandthesuperiorityisproposedinthewavelettransformation。useingintheimagecompressionS

6、econdly，thetheoryofwavelettransformwasstudiesThechosenwaveletaffectsthespeedoftransformandthequalityofthereconstructedimageTherefore，thisarticlehascontrastedtheeffectwhichemphaticaliythedifferentwaveletbasicconfrontation

7、imagecompression，hasgiventheprinciplewhichthewaveletbasechoosesThroughthesummaryofeachkindofwaveletThechoiceofbiorthogonalwavelet(D5／3)appliesintheremotesensingimagecompressionTheremotesensingimagehashighresolution，weakl

8、ocalcorrelation，andcomplextextureandSOonThecoefficientandthesubgraphafterwavelettransformationhavecarriedonthecharacteristicstatisticsandtheresearchThroughthemassiveexperimentstosummarythecharacteristicsProvidedthefounda