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In order to realize the application of low bit rate video coding in wireless multimedia communication, this paper analyzes the principle of video coding and highlights the importance of low bit rate in wireless multimedia communication. For this, the iterative optimization method of contour height map contour, B-spline curve approximate contour, and control points is carried out to ensure that hearing and vision can achieve the clarity of video under appropriate conditions. The results showdoi:10.1155/2022/9428290 fatcat:pleknl2rvjc5tjlsnoao2lkou4