摘要： 新一代视频编码标准提出了基于内容的视频编码的概念,它充分考虑到视频场景的特点,对不同对象用不同方法进行编MPEG-4码,这样视频对象分割就成为该标准的关键技术之一。该文提出一种利用小波变换分割视频序列中运动对象的算法。算法的主要思想是通过对视频序列在时间轴上作小波变换提取视频对象的运动信息进行视频对象的分割。实验结果证明本算法能比较准确地分割出运动视频对象。,

关键词: MPEG-4, 视频对象分割, 小波变换, 数学形态学

Abstract: The new video coding standard MPEG-4 presents the concept of content-based video coding. The new standard regards the characteristic of the video scene sufficiently, uses different coding method for different object. Thus, the segmentation of the video object becomes the key technology of this standard. This paper presents a wavelet based video object segmentation algorithm. The algorithm consider the motion information of the video object as the high frequency element through the time axis of the video sequence. So the algorithm use the wavelet transform to extract this high frequency element and segment the video object. The experimental results show that the proposed algorithm can precisely segment the motion video object.

中图分类号: 

• TN919.8