Recognition of visual patterns and characters are independent of position, size, and orientation in the visual field has been the goal of much recent research. The method presented in this paper meets all these condition. An off-line signature matchi

Implementation of Grey World algorithm for color constancy

运行使得绘图背景色变成白色，也可自行设置成任何颜色。 灰色预测(Running makes the drawing background color white, or it can be set to any color on its own.Grey prediction.)