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Research of Image Acquisition and JPEG Compression Encoding Based on FPGA Technology

Author: YunPeng
Tutor: ZhaoYanJie
School: Inner Mongolia University
Course: Signal and Information Processing
Keywords: FPGA chip Image Acquisition JPEG encoding Image Compression DCT transform
CLC: TP391.41
Type: Master's thesis
Year: 2010
Downloads: 291
Quote: 2
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Abstract


As the Internet and the rapid development of digital multimedia technology , people speed of data transmission put forward new requirements. Image data storage and transmission process takes up a lot of bandwidth , so the image compression technology is particularly important. FPGA technology is to achieve an ideal image compression processing platform , this article is as an entry point to study in the FPGA platform for digital image JPEG compression coding method . This paper describes the FPGA-based video image capture technology and JPEG compression design. The program uses EP1C6Q240C6 Altera's FPGA chip as the central processor in Quartus Ⅱ 5.0 application environment, Verilog HDL language video image acquisition process is complete and JPEG encoding software and hardware design, implementation of the digital image acquisition , storage , DCT transform , quantization, entropy coding and other functions. Paper partly responsible for video capture digital image acquisition, storage ; JPEG compression coding part responsible images collected through DCT transform digital image processing means for compression. In the paper , a brief introduction of the principle of video image capture and JPEG image coding theory, a detailed analysis of video images using FPGA acquisition and storage methods , improving basic JEPG image coding algorithm for each module and implemented on the FPGA approach. Finally, in the paper validation phase using Matlab platform and the FPGA development board test two methods of verification and gives a detailed verification methods and results .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Pattern Recognition and devices > Image recognition device
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