Gray Scale Edge Checkers OCR Type A23011 ā 811.1 Gray Scale Edge CheckersFilter/WidthPointX: Edge positionNumber ofedgesNumber ofedgesNumber ofedgesNumber ofedgesDirection of the scanDirection for countingnumber of edges* Number of edges = count of edges detected for eachindividual scan line.*In the above example, with Filter = 2 and width = 7, the 6th column is detected.