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Poyang lake of Jiangxi province, China, is the biggest wetland of China. It is one of the largest bases of the migrant birds especially in winter. The nature ecosystem of the region has relationship with the birds' activities, and vice versa. Research of the birds is one of the important ways for knowing the ecosystem. We attempt to set up a system of surveillance and estimation of the bird types...
In order to meet the rapid development need of embedded video surveillance, a method of moving object detecting and tracking based on MPEG-4 video is proposed in this paper. In the method, moving objects are detected by threshold segmenting and morphological filtering of motion vector in MPEG-4 encoding. The implementation on ADSP-BF533 and its results are presented. The results show that the method...
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