用于显示的图像外观特征可以由两个数据集，图像的第一标准数据集和要被躲避的区域的第二组定义，其中闪避区域与图像的其余部分通过一系列边缘。原始中的任何特定像素的出现由图像数据的第一位或控制平面确定，其状态表示像素外观由第一或第二数据集中的一个确定。(For image display can be composed of two data sets, the definition of the first second groups of standard data sets and image regions to be avoided, the rest of dodge region and the image through a series of edge. The occurrence of any particular pixel in the original is determined by the first bit or control plane of the image data, whose state indicates that the appearance of the pixel is determined by one of the first or second data sets)