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Table 5 Parameters of HOG + Color detectors

From: Detection, classification, and mapping of U.S. traffic signs using google street view images for roadway inventory management

HOG parameters HOG values Color parameters Color values
Linear gradient [−1; 0; +1] Color Channel Hue and Saturation
Voting orientation 8 orientations in 0–180 ° Number of Bins 6 for each
Normalization method L2 Normalization blocks Normalization Method L2 Normalization blocks
Number of cells 4 Number of cells 4
Number of pixels 8 × 8 Number of Pixels 8 × 8
Classifier Linear SVM Classifiers with C = 1