Abstract
The edge detection system is an important part of intelligent vehicles. An adaptive threshold edge detection system is proposed for traditional Sobel edge detection system cannot satisfy the demand of accuracy. The detection system includes of CMOS image sensor, FPGA, DDR2 and VGA etc. The real-time performance is good by aid of high-performance Cyclone IV GX series FPGA and DDR2. The experiment shows that the Sobel edge detection algorithm based on adaptive threshold can be realized on FPGA. And the system has the characteristics of high accuracy and excellent real-time performance.
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