At the first, the theory of the image geometric correction is introduced in this paper. After that, the system scheme for video image geometric correctioncard is put forward.
论文首先对图像的几何校正原理进行了简单介绍，然后提出了一种视频图像几何校正卡的系统实现方案。
2
Error correction of campus card: in case of any error in the amount of consumption, please inquire and correct error in the Campus Card Service Hall.
校园一卡通的纠错：如出现消费金额有误时，请到校园卡服务大厅进行查询、纠错。
3
According to the need of business card OCR system, this paper presents a new skew detection and correction method based on black border of gray business card image.