Accordingly, skew detection and skew correction of images for text documents and form documents is the first step for form recognition and image analysis and the precondition of layout analysis, word pick-up and OCR of the form as well.

• 因此,表格倾斜矫正是表格识别和图像分析的第一步,也是表格版面结构分析,表格文字提取和表格OCR的前提和基础。