Introduction - If you have any usage issues, please Google them yourself
The program first rgb image into XYZ space, and then in the XYZ space to some threshold to find a yellow background plates, this is from a foreign license plate recognition program, but those who do not understand why the threshold then set up, using the What is the principle? There is also a doubt is that this procedure for the importation of the license plate is sometimes found at the end of license plates, and sometimes the number of plates. One is yellow, one is white. Really do not know how to find.