数字水印处理，嵌入、提取、认证，可以在图形，视频和文本中添加数字水印，增强文档的保密，防止泄密-Digital watermarking processing, embedding, extraction, authentication, can be in graphics, video and digital watermarking to add text to enhance the confidentiality of documents to prevent leak

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

小波变换在数字视频处理中的应用，视频的加密解密和压缩处理-Wavelet transform in digital video processing applications, video compression and encryption and decryption