视频流avi中物体边缘定位与跟踪，可用于目标识别。

小波变换再数字视频处理中的应用 对视频进行编码：实现将一个AVI格式的自然场景视频进行编码，运用基于小波变换的编码技术-Wavelet transform and then the application of digital video processing to encode the video: AVI format to achieve a natural scene video coding, using coding techniques based on wavelet tra

merge multiple avi frames into a single one