![]() Please download the code from the link above. The WeChat QR code scanner is part of the opencv-contrib repository. Moreover, there are plenty of good online resources explaining QR code. If you are interested in knowing how a QR code is encoded and decoded, check out this link for more information. In this blog post, we are not going to discuss every parameter in detail. ![]() ![]() The scanner detects the QR code with the help of these parameters and decodes the data. The higher the level, the lower is the storage capacity. Based on the level of error correction, there can be 4 different categories. ![]() Error correction level tells about the percentage of data bytes that can be recovered. There are 40 different types of QR code based on the timing. The timing (repeating black and white pattern between position boxes) provides information about the size of the QR code. The distinct black squares containing smaller squares are the tracker boxes that help determine the position and rotation of the QR code. Five parameters describe the format of a QR code to the decoder. The illustration shows the format parameters of a QR code.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |