The document images filmed by digital devices such as digital cameras are always coupled with distortions, which will result in a failure of the layout analysis, segmentation and recognition.

• 摘要在以数码相机等数字设备拍摄文档资料时，所拍摄的图像经常会产生各种各样的几何变形，这种变形可能会导致识别软件中的版面分析和切分算法失效，从而使文档图像无法被识别。