A Mobile Computing Method Using CNN and SR for Signature Authentication with Contour Damage and Light Distortion

Table 2

Proposed MPT segmentation algorithm with minimum error.

Input:	The filtered image
Output:	The binarized image .
Step 1:	Calculate the gray degree distribution of the filtered signature image , and draw the histogram.
Step 2:	Calculate the two gray values and , which correspond to the two maximum probabilities in the histogram.
Step 3:	Seek the gray value . corresponds to the minimum probability in the range , .
Step 4:	Segment the filtered image based on the threshold and obtain the binary image .