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1. 发明授权

US08392816B2 Page classifier engine 有权
标题翻译：页面分类引擎
公开(公告)号：US08392816B2
公开(公告)日：2013-03-05
申请号：US11949586
申请日：2007-12-03
申请人： Bogdan Radakovic , Aleksandar Uzelac , Bodin Dresevic , Oren Trutner
发明人： Bogdan Radakovic , Aleksandar Uzelac , Bodin Dresevic , Oren Trutner
IPC分类号： G06F17/21
CPC分类号： G06K9/00469
摘要： Embodiments of the present invention relate to classifying pages of an electronic document, such as a scanned book page. OCR software is applied to the contents of the electronic document, revealing semantic information about the content of the electronic document. Software-based features are applied to the semantic information to determine the type of page the electronic document is. Page types may include table of contents (TOC), table of figures (TOF), bibliography, index, or other types of pages commonly found in a book, magazine, or other publication. Once determined, the determined page type is stored and used by other software engines.
摘要翻译：本发明的实施例涉及对诸如扫描书页之类的电子文档的页进行分类。 OCR软件应用于电子文档的内容，揭示关于电子文档内容的语义信息。基于软件的功能被应用于语义信息以确定电子文档的页面类型。页面类型可能包括目录（TOC），图表（TOF），参考书目，索引或书籍，杂志或其他出版物中常见的其他类型的页面。一旦确定，确定的页面类型被其他软件引擎存储和使用。

2. 发明授权

US08250469B2 Document layout extraction 有权
标题翻译：文件布局提取
公开(公告)号：US08250469B2
公开(公告)日：2012-08-21
申请号：US11949537
申请日：2007-12-03
申请人： Bodin Dresevic , Oren Trutner , Sasa Tomasevic , Aleksandar Uzelac , Dejan Lukacevic
发明人： Bodin Dresevic , Oren Trutner , Sasa Tomasevic , Aleksandar Uzelac , Dejan Lukacevic
IPC分类号： G06F17/00
CPC分类号： G06F17/2241 , G06F17/2205 , G06F17/2264 , G06F17/30011
摘要： Computer-readable media, systems, and methods for document layout extraction are described. In embodiments, textual data in an electronic format is received and the textual data is converted from the electronic format to an independent interface format, the independent interface format including coordinates to one or more structural elements of the textual data. Further, in embodiments, a structure and layout analysis of the textual data is performed to generate a set of structure and layout information. Still further, in embodiments, the textual data and the set of structure and layout information is stored in an enriched interface format, the enriched interface format providing for search and navigation of the textual data.
摘要翻译：描述了用于文档布局提取的计算机可读介质，系统和方法。在实施例中，接收电子格式的文本数据，并将文本数据从电子格式转换为独立接口格式，独立接口格式包括对文本数据的一个或多个结构元素的坐标。此外，在实施例中，执行文本数据的结构和布局分析以生成一组结构和布局信息。此外，在实施例中，文本数据和结构和布局信息集合以丰富的界面格式存储，提供用于文本数据的搜索和导航的丰富的界面格式。

3. 发明申请

US20110280481A1 USER CORRECTION OF ERRORS ARISING IN A TEXTUAL DOCUMENT UNDERGOING OPTICAL CHARACTER RECOGNITION (OCR) PROCESS 审中-公开
标题翻译：用户校正在光学字符识别（OCR）过程中出现的文本文档中的错误
公开(公告)号：US20110280481A1
公开(公告)日：2011-11-17
申请号：US12780991
申请日：2010-05-17
申请人： Bogdan Radakovic , Milan Vugdelija , Nikola Todic , Aleksandar Uzelac , Bodin Dresevic
发明人： Bogdan Radakovic , Milan Vugdelija , Nikola Todic , Aleksandar Uzelac , Bodin Dresevic
IPC分类号： G06K9/03 , G06K9/34
CPC分类号： G06K9/033
摘要： An electronic model of the image document is created by undergoing an OCR process. The electronic model includes elements (e.g., words, text lines, paragraphs, images) of the image document that have been determined by each of a plurality of sequentially executed stages in the OCR process. The electronic model serves as input information which is supplied to each of the stages by a previous stage that processed the image document. A graphical user interface is presented to the user so that the user can provide user input data correcting a mischaracterized item appearing in the document. Based on the user input data, the processing stage which produced the initial error that gave rise to the mischaracterized item corrects the initial error. Stages of the OCR process subsequent to this stage then correct any consequential errors arising in their respective stages as a result of the initial error.
摘要翻译：通过进行OCR过程创建图像文档的电子模型。电子模型包括由OCR处理中的多个顺序执行阶段中的每一个确定的图像文档的元素（例如，单词，文本行，段落，图像）。电子模型用作输入信息，该信息由处理图像文档的前一级提供给每个级。向用户呈现图形用户界面，使得用户可以提供校正出现在文档中的错误描述的项目的用户输入数据。基于用户输入数据，产生引起错误特征项的初始误差的处理阶段校正初始误差。在此阶段之后的OCR过程的阶段然后纠正由于初始错误而在其各自阶段中产生的任何后果性错误。

4. 发明授权

US08345978B2 Detecting position of word breaks in a textual line image 有权
标题翻译：检测文字行图像中的分词位置
公开(公告)号：US08345978B2
公开(公告)日：2013-01-01
申请号：US12749599
申请日：2010-03-30
申请人： Aleksandar Uzelac , Bodin Dresevic , Sasa Galic , Bogdan Radakovic
发明人： Aleksandar Uzelac , Bodin Dresevic , Sasa Galic , Bogdan Radakovic
IPC分类号： G06K9/00
CPC分类号： G06K9/344 , G06K9/342 , G06K2209/01
摘要： Line segmentation in an OCR process is performed to detect the positions of words within an input textual line image by extracting features from the input to locate breaks and then classifying the breaks into one of two break classes which include inter-word breaks and inter-character breaks. An output including the bounding boxes of the detected words and a probability that a given break belongs to the identified class can then be provided to downstream OCR or other components for post-processing. Advantageously, by reducing line segmentation to the extraction of features, including the position of each break and the number of break features, and break classification, the task of line segmentation is made less complex but with no loss of generality.
摘要翻译：执行OCR处理中的线分割以通过从输入中提取特征来定位分组，然后将分组分类成包括字间间隔和字符间的两个断点类之一来检测输入文本行图像内的单词的位置休息然后可以将包括检测到的单词的边界框和给定中断属于所识别的类别的概率的输出提供给下游OCR或用于后处理的其他组件。有利的是，通过将行分割减少到特征的提取，包括每个断点的位置和断裂特征的数量以及断裂分类，线分割的任务变得不那么复杂，但不失一般性。

5. 发明申请

US20110243445A1 DETECTING POSITION OF WORD BREAKS IN A TEXTUAL LINE IMAGE 有权
标题翻译：检测文字线图像中的字符位置
公开(公告)号：US20110243445A1
公开(公告)日：2011-10-06
申请号：US12749599
申请日：2010-03-30
申请人： Aleksandar Uzelac , Bodin Dresevic , Sasa Galic , Bogdan Radakovic
发明人： Aleksandar Uzelac , Bodin Dresevic , Sasa Galic , Bogdan Radakovic
IPC分类号： G06K9/34 , G06K9/18
CPC分类号： G06K9/344 , G06K9/342 , G06K2209/01
摘要： Line segmentation in an OCR process is performed to detect the positions of words within an input textual line image by extracting features from the input to locate breaks and then classifying the breaks into one of two break classes which include inter-word breaks and inter-character breaks. An output including the bounding boxes of the detected words and a probability that a given break belongs to the identified class can then be provided to downstream OCR or other components for post-processing. Advantageously, by reducing line segmentation to the extraction of features, including the position of each break and the number of break features, and break classification, the task of line segmentation is made less complex but with no loss of generality.
摘要翻译：执行OCR处理中的线分割以通过从输入中提取特征来定位分组，然后将分组分类成包括字间间隔和字符间的两个断点类之一来检测输入文本行图像内的单词的位置休息然后可以将包括检测到的单词的边界框和给定中断属于所识别的类别的概率的输出提供给下游OCR或用于后处理的其他组件。有利的是，通过将行分割减少到特征的提取，包括每个断点的位置和断裂特征的数量以及断裂分类，线分割的任务变得不那么复杂，但不失一般性。

6. 发明申请

US20080253657A1 Geometric parsing of mathematical expressions 有权
标题翻译：几何解析数学表达式
公开(公告)号：US20080253657A1
公开(公告)日：2008-10-16
申请号：US11784889
申请日：2007-04-10
申请人： Bogdan Radakovic , Goran Predovic , Bodin Dresevic
发明人： Bogdan Radakovic , Goran Predovic , Bodin Dresevic
IPC分类号： G06K9/18
CPC分类号： G06K9/00402
摘要： A processing device may parse a group of strokes representing a mathematical expression. The group of strokes may be examined to determine whether the group of strokes satisfies any of a finite set of rules. When the group of strokes, included in a region, satisfies any of the finite set of rules, the region may be partitioned according to a satisfied one of the finite set of rules. The group of strokes included in the region may be further examined to determine whether the group of strokes may be further partitioned according to any of the finite set of rules. After all regions have been examined and no further partitioning of regions may be performed, all mathematical symbols of the mathematical expression may be isolated in at least some of the regions and may be recognized.
摘要翻译：处理设备可以解析表示数学表达式的一组笔划。可以检查一组笔划以确定笔划组是否满足任何一组有限的规则。当包括在区域中的笔划组满足任何有限的规则集合时，可以根据有限规则集合中的一个满足区域。可以进一步检查包括在该区域中的笔划组以确定是否可以根据任何有限规则集进一步划分笔划组。在检查了所有区域之后，并且不能进行区域的进一步分割，数学表达式的所有数学符号可以在至少一些区域中被隔离并且可被识别。

7. 发明授权

US08064696B2 Geometric parsing of mathematical expressions 有权
标题翻译：几何解析数学表达式
公开(公告)号：US08064696B2
公开(公告)日：2011-11-22
申请号：US11784889
申请日：2007-04-10
申请人： Bogdan Radakovic , Goran Predovic , Bodin Dresevic
发明人： Bogdan Radakovic , Goran Predovic , Bodin Dresevic
IPC分类号： G06K9/00
CPC分类号： G06K9/00402
摘要： A processing device may parse a group of strokes representing a mathematical expression. The group of strokes may be examined to determine whether the group of strokes satisfies any of a finite set of rules. When the group of strokes, included in a region, satisfies any of the finite set of rules, the region may be partitioned according to a satisfied one of the finite set of rules. The group of strokes included in the region may be further examined to determine whether the group of strokes may be further partitioned according to any of the finite set of rules. After all regions have been examined and no further partitioning of regions may be performed, all mathematical symbols of the mathematical expression may be isolated in at least some of the regions and may be recognized.
摘要翻译：处理设备可以解析表示数学表达式的一组笔划。可以检查一组笔划以确定笔划组是否满足任何一组有限的规则。当包括在区域中的笔划组满足任何有限的规则集合时，可以根据有限规则集合中的一个满足区域。可以进一步检查包括在该区域中的笔划组以确定是否可以根据任何有限规则集进一步划分笔划组。在检查了所有区域之后，并且不能进行区域的进一步分割，数学表达式的所有数学符号可以在至少一些区域中被隔离并且可被识别。

8. 发明授权

US08345106B2 Camera-based scanning 有权
标题翻译：基于相机的扫描
公开(公告)号：US08345106B2
公开(公告)日：2013-01-01
申请号：US12578445
申请日：2009-10-13
申请人： Djordje Nijemcevic , Magdalena Vukosavljevic , Milan Vugdelija , Ana Mitrovic , Georg F. Petschnigg , Bodin Dresevic
发明人： Djordje Nijemcevic , Magdalena Vukosavljevic , Milan Vugdelija , Ana Mitrovic , Georg F. Petschnigg , Bodin Dresevic
IPC分类号： H04N5/225 , H04N5/228 , H04N5/222 , G06K9/20
CPC分类号： H04N5/23293 , G06K9/3216 , H04N1/00251 , H04N1/00307
摘要： Embodiments of camera-based scanning are described. In various embodiments, scanned documents can be created using images captured by a camera associated with a device. An image captured by the camera is processed to identify portions within the image that correspond to rectangular objects such as paper, business cards, whiteboards, screens, and so forth. One or more of these portions can be selected for scanning automatically based on a scoring scheme and/or semi-automatically with the aid of input from a user. One or more scanned documents are created from the selected portions by un-warping the selected portions to remove effects of perspective (e.g., rectify the portions to rectangles) and applying various image enhancements to improve appearance.
摘要翻译：描述基于相机的扫描的实施例。在各种实施例中，可以使用与设备相关联的摄像机捕获的图像来创建扫描的文档。处理由相机拍摄的图像以识别图像中对应于矩形对象（例如纸张，名片，白板，屏幕等）的部分。可以选择这些部分中的一个或多个，以便借助于来自用户的输入，基于评分方案和/或半自动地自动扫描。通过使所选择的部分变形来去除所选部分中的一个或多个扫描文档，以去除透视效果（例如，将部分整理为矩形）并应用各种图像增强以改善外观。

9. 发明授权

US07870501B2 Method for hollow selection feedback 有权
标题翻译：中空选择反馈方法
公开(公告)号：US07870501B2
公开(公告)日：2011-01-11
申请号：US11067949
申请日：2005-03-01
申请人： Marieke Iwema , Shawna Davis , Robert J. Jarrett , F. David Jones , Guy Barker , Bodin Dresevic
发明人： Marieke Iwema , Shawna Davis , Robert J. Jarrett , F. David Jones , Guy Barker , Bodin Dresevic
IPC分类号： G06F3/048
CPC分类号： G06F3/0488 , G06F3/0481 , G06T11/203
摘要： An improved approach to highlighting a graphical object in a graphical user interface is disclosed. A body of a highlighted graphical object may, upon selection or highlighting, be changed to a transparent color, and a graphical outline, or “halo,” is added surrounding the original graphical object's body. The halo may be in the same color as the graphical object originally was, preserving any meaning attributed to the color of the graphical object and simplifying the user's ability to identify the selected object(s), as well as the ability to select the highlighted object for further processing. The highlighted graphical object may also be displayed with a bounding box to further identify the selected object(s). A moving version of the highlighted graphical object may be drawn during a moving process, in which the moving version has an appearance distinct from the original object.
摘要翻译：公开了一种在图形用户界面中突出显示图形对象的改进方法。突出显示的图形对象的主体可以在选择或突出显示时被改变为透明颜色，并且围绕原始图形对象的主体添加图形轮廓或“晕”。光晕可能与原始图形对象的颜色相同，保留了归因于图形对象的颜色的任何意义，并简化了用户识别所选对象的能力，以及选择突出显示的对象的能力进一步处理。突出显示的图形对象也可以用边界框显示以进一步标识所选择的对象。在移动过程中可绘制突出显示的图形对象的移动版本，其中移动版本具有与原始对象不同的外观。

10. 发明授权

US07468801B2 Electronic ink processing 有权
标题翻译：电子油墨加工
公开(公告)号：US07468801B2
公开(公告)日：2008-12-23
申请号：US10646473
申请日：2003-08-21
申请人： Jamie Wakeam , Richard Duncan , Bodin Dresevic , Herry Sutanto , Sashi Raghupathy , Timothy H. Kannapel , Zoltan Szilagyi , Jerome Turner , Todd Landstad , Haiyong Wang , Roman Snytsar
发明人： Jamie Wakeam , Richard Duncan , Bodin Dresevic , Herry Sutanto , Sashi Raghupathy , Timothy H. Kannapel , Zoltan Szilagyi , Jerome Turner , Todd Landstad , Haiyong Wang , Roman Snytsar
IPC分类号： G06F15/00 , G06K1/00 , G06K9/18
CPC分类号： G06K9/00402 , G06F17/242 , G06K9/00463 , G06K9/00973 , G06K9/222
摘要： An application programming interface instantiates an ink analyzer object that receives document data for a document containing electronic ink content from a software application hosting the document and running on a first processing thread. The ink analyzer object then employs the first thread to make a copy of the document data, provides the copy of the document data to an electronic ink analysis process, and returns control of the first processing thread to the analysis process. After the analysis process has analyzed the electronic ink, the ink analyzer object reconciles the results of the analysis process with current document data for the document.
摘要翻译：应用程序编程接口实例化从承载文档的软件应用程序接收包含电子墨水内容的文档的文档数据并在第一处理线程上运行的墨水分析器对象。然后，墨水分析器对象采用第一个线程制作文档数据的副本，将文档数据的副本提供给电子墨水分析处理，并将第一个处理线程的控制返回到分析过程。在分析过程分析电子墨水之后，墨水分析仪对象将分析过程的结果与文档的当前文档数据进行对照。

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