抽取子图像: 通过一个随机混沌标签序列从原图像中抽取 对子图像加密:小波变换 ,在高频部分加密 重构原图，把加密好的子图像重新放回到原图像中 -from sub-images : a random chaotic sequence label from the original image from a tradition image encryption : wavelet transform, the high-frequency part of remodeling the

A widget to display an image and a label containing a descr iption.

A widget to display colour components from an image using independently selected colors. Controls are provided to allow the image to be inverted, and the color to be selection via a standard dialog. The image is displayed in a label widget for Linux.