关键词: 图像处理 文档图像分析 图像匹配 二值化 数学形态学

Abstract: Extraction of recognition item is an important preprocess procedure in a Document image analysis system. In reality, user fill-in data usually cross or touch the preprinted lines and characters, creating tremendous problems for the recognition engines. In

Key words: Image processing, Document image analysis, Image matching, Binarization, Mathematical morphology