Intelligent Transportation Video Detecting System Based on DSP
2014
This paper proposes a method of realizing a moving vehicle video detecting system based on DSP processor, and describes the system's hardware architecture and software design in detail. Based on the characteristic of dual-core of DM6437 processor, the methods of communication protocol between ARM and DSP, as well as the double-buffer switching method are presented. Background modeling is made on the traffic video data from DM6437 via difference accumulation. Background subtraction is used to detect vehicle movement areas. With the adoption of algorithms such as Otsu, morphological filtering and region growing, the whole system is finally realized on the DM6446 hardware platform. Experimental results show that the system achieves good performance on moving vehicle detection.
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