This week, I designed the preliminary algorithms for ANN training and recognition. I only uploaded pictures here: Traffic sign pattern ANN training algorithm and Traffic sign pattern recognition algorithm.

The first preliminary binarization method is implemented. It uses the dominant color in the sign pattern as its background (0) and other colors as its foreground (1). The result is shown at the following link with the description on the limitation of this binarization method. Extension for the traffic sign recognition

I will first perform the ANN training and recognition results using this bianarized data set and will further extend its categorization method using more features like its boundary shape and more color information.

For following weeks, I will develop the program based on the above algorithms and the early results will be shown in Extension for the traffic sign recognition.

In addition, I summarized the PolygonDetector algorithm for future reference at: Traffic sign feature extraction