Abstract: An approach for extracting outline of residential area through perceptual organization and multi-scale boundaries of textured regions is presented.In the proposed approach，multi-scale edge and concept of free angle are applied to locate boundaries of residential regions，and then multiple clues are integrated into the procedure of curve perceptual organization to obtain close and long boundary.Experimental results show that extracted boundaries of residential area from high remote sensing imagery are accurate and complete.

Key words: multi-scale locating boundaries of texture region, perceptual organization, extracting outline of residential area, earial imagery

摘要： 提出了一种多尺度纹理边缘与感知编组结合的居民地轮廓提取方法，用于在航空影像上提取居民地轮廓。该方法首先根据影像边缘点的尺度信息计算边缘隶属度，生成多尺度边缘图像；然后将边缘点属于高纹理区域的概率表示为边缘隶属度的函数，通过计算边缘点的概率确定高纹理区域边缘；最后利用曲线跟踪连接提取点形成初始零散轮廓集，并应用感知编组连接初始轮廓，获得完整闭合的居民地轮廓。实验证明，提取的居民地轮廓位置准确且完整闭合。

关键词: 多尺度纹理边缘, 感知编组, 居民地轮廓提取, 航空影像