A method of detecting an edge of a color image based on fuzzy logic, the method comprising the steps of: inputting an input image using a Gaussian membership function in a horizontal direction and a Gaussian membership function in a vertical direction, A fuzzing step of generating edge detection data in horizontal and vertical directions by mapping each pixel data for an image to a value between 0 and 1; A fuzzy inference step of combining the edge detection data in each direction to deduce an edge value; And a non-fuzzing step of filtering the corresponding image in which the edge value is inferred using two Gaussian membership functions and one triangle membership function.
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