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

利用小波变换的文字提取程序，请参考！运行成功，图片均有。-Using Wavelet Transform text extraction procedures, please refer to! Operation successful, both picture.

唐远炎老师的小波课件，非常完整，里面包括了小波的发展和小波的构造方法，特别讲述了小波在手写文字提取方面的一些应用-Yuan-Yan Tang teacher wavelet courseware, is very complete, which includes the development of wavelet and wavelet construction methods, in particular about the wavelet extraction of handwritten

The Wavelet and Fourier Transforms in Feature Extraction for Text- Dependent, Filterbank-Based Speaker Recognition