By using the "回" shape feature of the three positioning points of the QR code, a...

1.二维码是用特定的几何图形按一定规律在平面上分布的黑白相间的图形，利用黑色像素代表二进制 “1”，白色像素代表 “0”，通过黑白像素点的排列来记录数据信息。

WeChat has released its QR code detection and recognition algorithm (based on C+...

Here we explains how to use pyzbar to recognize QR codes.

If only using the morphological method, it may result in differences between the...

Reference: An Algorithm for Identifying Objective Questions on Answer Sheets - Y...

The whole source code of last page:https://cloud.tencent.com/developer/article/2...

As mentioned in the previous method, the thickness of the printed font may affec...

The whole source code of last page: https://cloud.tencent.com/developer/article/...

A simple method for identifying the answers to multiple-choice questions on gene...

Using the previous method, we have completed the detection of the positioning po...

Since the positioning block area on the answer sheet is a non-answering zone, th...

In the general design of an answer sheet, there is always a rectangular black bl...

OpenCV（Open Source Computer Vision Library）是一个开源的计算机视觉库，它提供了丰富的图像处理和计算机视觉算法，旨在帮助...