The Research And Development Of Product Package Character Automatic Recognition

The research and development of product package character recognition is proposed to adapt with the intelligentizing and automatization of business administration. Many typical character recognition methods and much image processing technology are studied. Based on this, the product package character recognition system is designed and fulfilled which is another application of image processing technology. The main content of the system is the location of product package character and character recognition.A very important step before location and recognition is the pre-processing of the product package image. After deeply studying and repeat testing on many image processing methods, a very efficient way, combining diagonal difference and closing processing, is used which can strengthen texture and diminish noise. A practical and synthetical location method based on texture is brought out. The feasibility of using fractal box dimension as a parameter for texture extraction is analyzed and proved. An orientation adjustment means on the basis of character contour is presented. And the incline of image is corrected according to the slope of vertexes of each character. The cut way of character based on projection histogram is brought forward and then the exact cutting points of each character are found. Several simple recognizers are combined together to utilize the peculiarity of each one and the recognition result shows that it is pretty good.The location and recognition system of product package character is designedusing Visual Basic 6.0 based on Windows plate. It's a good interactive system. And the user interface is friendly.