离散余弦变换是分析图像信号的有效工具。
Discrete Cosines Transform (DCT) is an effective tool for analysis image signal.
在检测水印时无需使用原图像，从而能够有效应用于图像和视频信号的水印处理。
It does not need to use the original image to extract embedded watermark, therefore it is not only suitable for still images but also videos.
多分辨率分析是信号处理特别是图像处理的一种新的有效方法，可以在不同尺度上给出信号的信息。
Multiresolution analysis is an effective approach in signal processing, especially in image processing, to decompose signals in different resolutions.
应用推荐