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    • 3. 发明授权
    • Method for segmentation-based recognizing handwritten touching numeral strings
    • 一种基于分割识别手写触摸数字串的方法
    • US06920246B2
    • 2005-07-19
    • US10098457
    • 2002-03-18
    • Kye Kyung KimYun Koo ChungSu Young ChiYoung Sup HwangWon Pil YuSoo Hyun ChoHyoung Gu Lee
    • Kye Kyung KimYun Koo ChungSu Young ChiYoung Sup HwangWon Pil YuSoo Hyun ChoHyoung Gu Lee
    • G06K9/46G06K9/34
    • G06K9/342G06K9/344G06K2209/01
    • Disclosed is a method of segmenting touching numeral strings contained in handwritten touching numeral strings, and recognizing the numeral strings by use of feature information and recognized results provided by inherent structure of digits. The method comprises the steps of: receiving a handwritten numeral string extracted from a pattern document; smoothing a curved numeral image of the handwritten numeral string, and searching connecting components in the numeral image; determining whether or not the numeral string is a touching numeral string; if it is determined that the numeral string is the touching numeral string, searching a contour of the touching numeral string image; searching candidate segmentation points in the contour, and segmenting sub-images; computing a segmentation confidence value on each segmented sub-image by use of a segmentation error function to select the sub-image with the highest segmentation confidence value as a segmented numeral image in the touching numeral string image; if it is determined in the step c that the numeral string is not the touching numeral string, extracting a feature to recognize the segmented numeral image; segmenting the numeral image selected from the touching numeral string in the highest segmenting confidence value; and obtaining remaining numeral string image.
    • 公开了一种分割手写触摸数字串中包含的触摸数字串的方法,并且通过使用特征信息和由数字的固有结构提供的识别结果来识别数字串。 该方法包括以下步骤:接收从图案文档提取的手写数字字符串; 平滑手写数字串的曲面数字图像,并搜索数字图像中的连接分量; 确定数字串是否是触摸数字串; 如果确定数字串是触摸数字串,则搜索触摸数字串图像的轮廓; 搜索轮廓中的候选分割点,并分割子图像; 通过使用分割误差函数来计算每个分割子图像上的分割置信度值,以选择具有最高分割置信度值的子图像作为触摸数字串图像中的分割数字图像; 如果在步骤c中确定数字串不是触摸数字串,则提取特征以识别分割的数字图像; 以最高分割置信度分割从触摸数字串中选择的数字图像; 并获得剩余的数字串图像。
    • 4. 发明授权
    • Method of segmenting handwritten touching numeral strings having non-vertical segmentation line
    • 分割具有非垂直分割线的手写触摸数字串的方法
    • US07072513B2
    • 2006-07-04
    • US10359710
    • 2003-02-07
    • Kye Kyung KimYun Koo ChungSu Young ChiWon Pil YuHyoung Gu LeeSoo Hyun Cho
    • Kye Kyung KimYun Koo ChungSu Young ChiWon Pil YuHyoung Gu LeeSoo Hyun Cho
    • G06K9/34
    • G06K9/342G06K2209/01
    • Disclosed is a method of segmenting handwritten touching numeral strings having a non-vertical segmentation line. The method comprises the steps of: receiving an image of the handwritten touching numeral strings having the non-vertical segmentation line extracted from a specially patterned document; smoothing an uneven shape of the image of handwritten touching numeral strings; searching a contour line for the image of smoothed handwritten touching numeral strings; searching a candidate segmentation region, in which the touching numeral strings may exist, from the searched contour line; searching a candidate segmentation point within the candidate segmentation region; searching a vertical segmentation line for segmenting the handwritten touching numeral strings from the candidate segmentation point; searching the non-vertical segmentation line for segmenting the handwritten touching numeral strings having any inclination from the candidate segmentation lines; and segmenting the handwritten touching numeral strings by use of the vertical and non-vertical segmentation lines.
    • 公开了一种分割具有非垂直分割线的手写触摸数字串的方法。 该方法包括以下步骤:接收具有从特殊图案化文档提取的非垂直分割线的手写触摸数字串的图像; 平滑手写触摸数字串的图像的不均匀形状; 搜索平滑的手写触摸数字字符串的图像的轮廓线; 从搜索到的轮廓线中搜索可能存在触摸数字串的候选分割区域; 搜索候选分割区域内的候选分割点; 搜索垂直分割线以从候选分割点分割手写的触摸数字串; 搜索所述非垂直分割线以从所述候选分割线分割具有任何倾斜度的手写触摸数字串; 并且通过使用垂直和非垂直分割线来分割手写的触摸数字串。