Design of a Video Processor Based on FPGA

Abstract:

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The design of a kind of video processor with the function of auto-focusing is introduced in this paper. The video processor receives digital 8-bit YCbCr video signal. With a piece of DDR2 SDRAM as frame buffer, the video processor realizes the function of format conversion, frame up-scaling and color space conversion. The paper proposes an improved gray scale differential auto-focus algorithm and calculates the focus value of the current image real-timely. Applying the mountain climbing searching strategy to control the moving of the focus motor, and realize the function of auto-focusing. The whole design is realized in VHDL and verified with Xilinx XUPV5-LX110T FPGA developing board.

Info:

Periodical:

Edited by:

Gary Yang

Pages:

190-194

DOI:

10.4028/www.scientific.net/AMR.429.190

Citation:

Q. G. Zhang et al., "Design of a Video Processor Based on FPGA", Advanced Materials Research, Vol. 429, pp. 190-194, 2012

Online since:

January 2012

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Price:

$35.00

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