基于图像边缘检测的扭曲文档矫正
徐远东, 熊永平, 张铮, 伍贵宾, 张兴, 王伟

Correction of distorted documents based on image edge detection
Yuandong Xu, Yongping Xiong, Zheng Zhang, Guibin Wu, Xing Zhang, Wei Wang
图3 Bezier曲线标注文档图像边缘的示意图
Fig.3 Bezier curves marking the edges of document images