基于USB總線的視頻圖像壓縮傳輸系統(tǒng)的研制及應(yīng)用.pdf

1、電子科技大學(xué)碩士學(xué)位論文基于USB總線的視頻圖像壓縮傳輸系統(tǒng)的研制及應(yīng)用姓名：李志偉申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：無(wú)線電物理指導(dǎo)教師：龍毅2002.3.1AbstractTraditionalinterfacesofexternalperipheralshavemanyshortcomings，SOtheyarenotconsistentwiththerequirementofthePCThenewlycomeUniversalSerialB

2、ushasmanyadvantages，suchas：highspeed、easeofuse、easetoexpandport、supportingplugplay、lowcostetc，SOitiSusedverywidelynowThispaperdiscussesthecharacteristic，thespecificationofuniversalserialbusanditsprotocolindetailAthorough

3、analysisontheprincipleofJPEGalgorithmispresentedThispaperintroducestheprocessofencoderaboutJPEGimageforDCTbasedsequentialmodel，andstudiesalgorithmforDCTtransformationindetailAndthelateststudyofJPEG：JPEG2000isalsopresente

4、dindetailOnthebasicoftheabovetwoaspects，weintroducethedesignoftheVideocompressionsystemwhichusesUSBinterfaceItincludes：Videodecoding、Videocollection、Videoquantizer、digitalvideocompressionandUSBinterfaceThispaperintroduce

5、severypartcircuitdesignofthesystemItalsopresentstheimplementationofprojectsoftware(includingdriverandapplication)WekeepoffocusonthestructureandwayofprogrammerThemeasuredresultsprovethattheanalysisanddesignmethodsareeffic