2.The current state of development, application and research of the image processingtechnology and OCR technology are analyzed in this thesis. The pretreatment methods,such as image grayness, gray equilibrium, threshold division, image normalization,image smoothness and the methods of OCR technology are introduced in detail.
论文介绍了图像处理技术和光学字符识别技术的发展、应用以及国内外研究的现状,深入研究了图像灰度化处理、灰度均衡、阈值分割、图像标准化、图像平滑等图像预处理方法以及光学字符识别技术中的几种常用识别方法。