In the thesis, the image is represented by multi-branch directed trees manually or binary trees automatically based on the segmented result using Berkeley segmentation algorithm.

• 实现了对图像逐步分级的四叉树型结构(无区域分割)的表示以及在UC Berkeley的图像库分割结果基础上的自动邻接区域二叉树和人工生成多叉树型结构表示。