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Research and Hardware Implement of Integrating Compression Algorithm on Image and Video

Author: ZuoLuJun
Tutor: LiYunSong
School: Xi'an University of Electronic Science and Technology
Course: Communication and Information System
Keywords: JPEG2000 Motion Estimation ADV202 ADSP-TS201
CLC: TN919.81
Type: Master's thesis
Year: 2011
Downloads: 34
Quote: 1
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Abstract


With the rapid development of information technology , People put forward higher requirements for multimedia communications . In many occasions, often require a system can handle both the low resolution video image and the high - resolution still image , different types of images , however , must be used to different compression methods in order to obtain the optimum compression effect , this pair of limited hardware resources, severe test. In this paper, the development trend of the domestic and international image compression technology , in -depth study of the theory on the basis of the existing image compression integration of still and moving image coding algorithm , proposed and completed a set of still and moving images integrated hardware compression algorithm implementations. The system uses JPEG2000 dedicated codec chip ADV202 is responsible for high processing performance of the image compression chip ADSP-TS201 is responsible for activities in the motion estimation based on wavelet transform still image compression , combined with still image compression and moving image compression characteristics in the same a system to support the still and moving images and real-time compression coding processing . System supports still image lossless and lossy compression , and adjustable compression ratio online , at the same time support the moving image compression bit rate precisely controlled .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Communicate > Image communication, multimedia communication > Image coding
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