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公开(公告)号：US20070183664A1
公开(公告)日：2007-08-09
申请号：US11315635
申请日：2006-02-09
申请人： Zhouchen Lin , Yantao Li , Yu Zou , Xianfang Wang , Jian Wang
发明人： Zhouchen Lin , Yantao Li , Yu Zou , Xianfang Wang , Jian Wang
CPC分类号： G06K9/00402 , G06K9/6277
摘要： Ink-parser-parameter optimization may be performed via parallel processing to accelerate searching for a set of optimal ink-parser parameters. Evaluators may parse pages of ink notes with different groups of parameters and may compute corresponding values for evaluation functions. Separate evaluation functions may be defined for the following types of ink-parker parsing engines: writing parser, writing/drawing classification, table detection, and list detection. A searcher may perform a grid-searching algorithm or a genetic algorithm to generate groups of parameters and may then pass the parameters to available evaluators for evaluation until evaluation-function values for a group of parameters satisfy a convergence condition.
摘要翻译： 墨水分析器参数优化可以通过并行处理来执行，以加速搜索一组最佳墨水解析器参数。 评估者可以用不同的参数组解析墨迹的页面，并可以计算评估函数的相应值。 可以为以下类型的墨水 - 停顿解析引擎定义单独的评估功能：写入解析器，写入/绘图分类，表格检测和列表检测。 搜索者可以执行网格搜索算法或遗传算法来生成参数组，然后可以将参数传递给可用的评估者进行评估，直到一组参数的评估函数值满足收敛条件为止。
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公开(公告)号：US07593572B2
公开(公告)日：2009-09-22
申请号：US11315635
申请日：2006-02-09
申请人： Zhouchen Lin , Yantao Li , Yu Zou , Xianfang Wang , Jian Wang
发明人： Zhouchen Lin , Yantao Li , Yu Zou , Xianfang Wang , Jian Wang
IPC分类号： G06K9/00
CPC分类号： G06K9/00402 , G06K9/6277
摘要： Ink-parser-parameter optimization may be performed via parallel processing to accelerate searching for a set of optimal ink-parser parameters. Evaluators may parse pages of ink notes with different groups of parameters and may compute corresponding values for evaluation functions. Separate evaluation functions may be defined for the following types of ink-parker parsing engines: writing parser, writing/drawing classification, table detection, and list detection. A searcher may perform a grid-searching algorithm or a genetic algorithm to generate groups of parameters and may then pass the parameters to available evaluators for evaluation until evaluation-function values for a group of parameters satisfy a convergence condition.
摘要翻译： 墨水分析器参数优化可以通过并行处理来执行，以加速搜索一组最佳墨水解析器参数。 评估者可以用不同的参数组解析墨迹的页面，并可以计算评估函数的相应值。 可以为以下类型的墨水 - 停顿解析引擎定义单独的评估功能：写入解析器，写入/绘图分类，表格检测和列表检测。 搜索者可以执行网格搜索算法或遗传算法来生成参数组，然后可以将参数传递给可用的评估者进行评估，直到一组参数的评估函数值满足收敛条件为止。
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公开(公告)号：US07561739B2
公开(公告)日：2009-07-14
申请号：US11155748
申请日：2005-06-20
申请人： Mingqing Xu , Yu Zou , Lei Huang , Jian-Lai Zhou , Xianfang Wang , Xiaohui Hou , Dongmei Zhang , Zhouchen Lin , Jian Wang
发明人： Mingqing Xu , Yu Zou , Lei Huang , Jian-Lai Zhou , Xianfang Wang , Xiaohui Hou , Dongmei Zhang , Zhouchen Lin , Jian Wang
IPC分类号： G06K9/18
CPC分类号： G06K9/222
摘要： A mechanism for recognizing and inputting handwritten mathematical expressions into a computer by providing part of a multi-path framework is described. The part of the multi-path framework includes a subscript/superscript analysis and character determination component that is designed to identify subscript and superscript elements. A method for analyzing a handwritten mathematical expression includes receiving a symbols corresponding to handwritten mathematical expression input strokes, identifying subscript and/or superscript structures, and determining a character for each symbol of the set. A graph of vertexes and edges may be created based upon the set of symbols and the graph may be searched to determine optimized candidates.
摘要翻译： 描述了通过提供一部分多路径框架来将手写数学表达式识别并输入计算机的机制。 多路径框架的一部分包括下标/上标分析和字符确定组件，其被设计为识别下标和上标元素。 一种用于分析手写数学表达式的方法包括接收对应于手写数学表达式输入笔画的符号，识别下标和/或上标结构，以及确定该组的每个符号的字符。 可以基于符号集创建顶点和边缘的图形，并且可以搜索图形以确定优化的候选。
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公开(公告)号：US20060062468A1
公开(公告)日：2006-03-23
申请号：US11155748
申请日：2005-06-20
申请人： Mingqing Xu , Yu Zou , Lei Huang , Jian-Lai Zhou , Xianfang Wang , Xiaohui Hou , Dongmei Zhang , Zhouchen Lin , Jian Wang
发明人： Mingqing Xu , Yu Zou , Lei Huang , Jian-Lai Zhou , Xianfang Wang , Xiaohui Hou , Dongmei Zhang , Zhouchen Lin , Jian Wang
IPC分类号： G06K9/18
CPC分类号： G06K9/222
摘要： A mechanism for recognizing and inputting handwritten mathematical expressions into a computer by providing part of a multi-path framework is described. The part of the multi-path framework includes a subscript/superscript analysis and character determination component that is designed to identify subscript and superscript elements. A method for analyzing a handwritten mathematical expression includes receiving a symbols corresponding to handwritten mathematical expression input strokes, identifying subscript and/or superscript structures, and determining a character for each symbol of the set. A graph of vertexes and edges may be created based upon the set of symbols and the graph may be searched to determine optimized candidates.
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公开(公告)号：US20050063591A1
公开(公告)日：2005-03-24
申请号：US10850680
申请日：2004-05-20
申请人： Tongxian Chen , Zhouchen Lin , Jian Wang , Xianfang Wang , Jiang Wu , Yu Zou
发明人： Tongxian Chen , Zhouchen Lin , Jian Wang , Xianfang Wang , Jiang Wu , Yu Zou
CPC分类号： G06K9/00463 , G06F17/2241 , G06F17/242 , G06K9/222
摘要： A system and method for detection of a list in ink input is provided. A detector is provided that may detect a list such as a bulleted or numbered list of items in ink input. A group of lines may first be selected as a candidate list. Indentation level clustering and bullet detection may then be performed to determine the structure of the list. Bullet detection may be performed by detecting bullet partners, which are pairs of lines at the same indentation level that may begin with bullet candidates with similar features. The features of the bullet candidates in a pair of lines may be used to determine the likelihood of whether the pair of lines may be bullet partners. Finally, the structure of the list may be determined, including the relationship among the list items.
摘要翻译： 提供了一种用于检测墨水输入列表的系统和方法。 提供了一种检测器，其可以检测墨水输入中的诸如项目符号或编号列表的列表。 可以首先选择一组行作为候选列表。 然后可以执行缩进级聚类和子弹检测以确定列表的结构。 子弹检测可以通过检测子弹对象来执行，这些对象是相同缩进级别的线对，可以从类似特征的子弹候选开始。 可以使用一对线中的子弹候选者的特征来确定该对线是否可能是子弹对象的可能性。 最后，可以确定列表的结构，包括列表项之间的关系。
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公开(公告)号：US07295708B2
公开(公告)日：2007-11-13
申请号：US10850680
申请日：2004-05-20
申请人： Tongxian Chen , Zhouchen Lin , Jian Wang , Xianfang Wang , Jiang Wu , Yu Zou
发明人： Tongxian Chen , Zhouchen Lin , Jian Wang , Xianfang Wang , Jiang Wu , Yu Zou
IPC分类号： G06K9/00
CPC分类号： G06K9/00463 , G06F17/2241 , G06F17/242 , G06K9/222
摘要： A system and method for detection of a list in ink input is provided. A detector is provided that may detect a list such as a bulleted or numbered list of items in ink input. A group of lines may first be selected as a candidate list. Indentation level clustering and bullet detection may then be performed to determine the structure of the list. Bullet detection may be performed by detecting bullet partners, which are pairs of lines at the same indentation level that may begin with bullet candidates with similar features. The features of the bullet candidates in a pair of lines may be used to determine the likelihood of whether the pair of lines may be bullet partners. Finally, the structure of the list may be determined, including the relationship among the list items.
摘要翻译： 提供了一种用于检测墨水输入列表的系统和方法。 提供了一种检测器，其可以检测墨水输入中的诸如项目符号或编号列表的列表。 可以首先选择一组行作为候选列表。 然后可以执行缩进级聚类和子弹检测以确定列表的结构。 子弹检测可以通过检测子弹对象来执行，这些对象是相同缩进级别的线对，可以从类似特征的子弹候选开始。 可以使用一对线中的子弹候选者的特征来确定该对线是否可能是子弹对象的可能性。 最后，可以确定列表的结构，包括列表项之间的关系。
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公开(公告)号：US07929769B2
公开(公告)日：2011-04-19
申请号：US11301761
申请日：2005-12-13
申请人： Xianfang Wang , Zhouchen Lin , Jian Wang
发明人： Xianfang Wang , Zhouchen Lin , Jian Wang
CPC分类号： G06K9/222 , G06K9/00422 , G06K9/6835
摘要： Computer-readable media having computer-executable instructions distinguish the script type of at least one portion of a writing input. At least one sub-word of a writing line of a handwritten document is identified and is processed to determine the associated writing style that includes a cursive writing style and a hand-printed writing style. The writing line is consequently associated with a script type. The script type of a writing line is determined from the script types of the sub-words in the writing line. When the number of sub-words having a first script type is greater than the number of sub-words having a second script type, the script type of the writing line is categorized as the first script type. In addition, a script analyzer determines a writing style of at least one sub-word and selects one of a plurality of neural networks to categorize the script type of a writing line.
摘要翻译： 具有计算机可执行指令的计算机可读介质区分写入输入的至少一部分的脚本类型。 识别手写文件的写作线的至少一个子词，并被处理以确定包括草书写作风格和手写书写风格的相关联的书写风格。 因此，写作行与脚本类型相关联。 写作行的脚本类型由写入行中的子字的脚本类型确定。 当具有第一脚本类型的子字的数量大于具有第二脚本类型的子字的数量时，写入行的脚本类型被分类为第一脚本类型。 此外，脚本分析器确定至少一个子字的写入风格，并且选择多个神经网络中的一个以对写入线的脚本类型进行分类。
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公开(公告)号：US20070133877A1
公开(公告)日：2007-06-14
申请号：US11301761
申请日：2005-12-13
申请人： Xianfang Wang , Zhouchen Lin , Jian Wang
发明人： Xianfang Wang , Zhouchen Lin , Jian Wang
IPC分类号： G06K9/00
CPC分类号： G06K9/222 , G06K9/00422 , G06K9/6835
摘要： Computer-readable media having computer-executable instructions distinguish the script type of at least one portion of a writing input. At least one sub-word of a writing line of a handwritten document is identified and is processed to determine the associated writing style that includes a cursive writing style and a hand-printed writing style. The writing line is consequently associated with a script type. The script type of a writing line is determined from the script types of the sub-words in the writing line. When the number of sub-words having a first script type is greater than the number of sub-words having a second script type, the script type of the writing line is categorized as the first script type. In addition, a script analyzer determines a writing style of at least one sub-word and selects one of a plurality of neural networks to categorize the script type of a writing line.
摘要翻译： 具有计算机可执行指令的计算机可读介质区分写入输入的至少一部分的脚本类型。 识别手写文件的写作线的至少一个子词，并被处理以确定包括草书写作风格和手写书写风格的相关联的书写风格。 因此，写作行与脚本类型相关联。 写作行的脚本类型由写入行中的子字的脚本类型确定。 当具有第一脚本类型的子字的数量大于具有第二脚本类型的子字的数量时，写入行的脚本类型被分类为第一脚本类型。 此外，脚本分析器确定至少一个子字的写入风格，并且选择多个神经网络中的一个以对写入线的脚本类型进行分类。
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公开(公告)号：US20060061779A1
公开(公告)日：2006-03-23
申请号：US11095994
申请日：2005-03-30
申请人： Tongxian Chen , Yantao Li , Youjun Liu , Jian Wang , Xianfang Wang
发明人： Tongxian Chen , Yantao Li , Youjun Liu , Jian Wang , Xianfang Wang
IPC分类号： G06K15/10
CPC分类号： G06F3/0488
摘要： A system and method for editing ink objects recognized in ink input is provided. An ink parser may recognize an ink object in ink input and then an ink editing user interface may edit the ink object recognized by the ink parser. The ink parser may include a chart detector, shape recognizer, and various ink object recognizers such as a chart recognizer, a list detector and a table detector. The various ink object recognizers may recognize particular ink objects. The ink editing user interface may edit the ink object recognized by the ink parser. The ink editing user interface may include a chart editor, list editor, table editor, mode switcher, and a visualizer. The mode switcher may switch the ink editing system between inking mode and ink editing mode.
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公开(公告)号：US20060061778A1
公开(公告)日：2006-03-23
申请号：US11094914
申请日：2005-03-30
申请人： Tongxian Chen , Yantao Li , Jian Wang , Xianfang Wang
发明人： Tongxian Chen , Yantao Li , Jian Wang , Xianfang Wang
IPC分类号： G06K15/10
CPC分类号： G06F3/0488
摘要： A system and method for editing ink objects recognized in ink input is provided. An ink parser may recognize an ink object in ink input and then an ink editing user interface may edit the ink object recognized by the ink parser. The ink parser may include a chart detector, shape recognizer, and various ink object recognizers such as a chart recognizer, a list detector and a table detector. The various ink object recognizers may recognize particular ink objects. The ink editing user interface may edit the ink object recognized by the ink parser. The ink editing user interface may include a chart editor, list editor, table editor, mode switcher, and a visualizer. The mode switcher may switch the ink editing system between inking mode and ink editing mode.
摘要翻译： 提供了一种用于编辑在墨水输入中识别的墨水对象的系统和方法。 墨水解析器可以识别墨水输入中的墨水对象，然后墨水编辑用户界面可以编辑由墨水解析器识别的墨水对象。 墨水解析器可以包括图表检测器，形状识别器和各种墨水对象识别器，例如图表识别器，列表检测器和表格检测器。 各种墨水对象识别器可以识别特定的墨水对象。 墨水编辑用户界面可以编辑墨水解析器识别的墨水对象。 墨水编辑用户界面可以包括图表编辑器，列表编辑器，表格编辑器，模式切换器和可视化器。 模式切换器可以在上墨模式和墨水编辑模式之间切换墨水编辑系统。
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