Image Gradient Detection with Hough Transform

In this paper, we propose gradient detection system of the vertical straight line using the Hough transform after extracting from the color images. The input color images can be used to a method for detecting a gradient from only the luminance component of an image. In edge detection, traditional method of the mask of vertical edge detection can detect with the one direction of the image change but proposed method can detect bi-direction. Since the Hough transform is required much time for processing, our method can be improved processing time through experimentally calculating valid pixel.