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31.发明申请公开(公告)号：US20220335091A1
公开(公告)日：2022-10-20
申请号：US17235189
申请日：2021-04-20
Applicant: XEROX CORPORATION
Inventor： Shalini Kondore , Srinivasarao Bindana , Sainarayanan Gopalakrishnan , Nithya Theerthagiri , Dara N. Lubin
Abstract: The disclosure discloses methods and systems for automatically generating multiple scanned files when scanning a document at a multi-function device. The method includes receiving a multi-page document for scanning from a user. A user interface is provided to the user to input one or more keywords and one or more desired resolution values, where the input resolution values are different from a default resolution value set at the multi-function device. A page of the document is scanned to generate a scanned page of a default resolution value. The scanned page is checked if including the one or more input keywords. Accordingly, the default resolution value of the page is converted to the user desired resolution value. The scanning, checking, and converting are repeated till all the pages of the document are scanned. Multiple scanned files of different resolution values are automatically generated from single scan activity.
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公开(公告)号：US20210112176A1
公开(公告)日：2021-04-15
申请号：US16599149
申请日：2019-10-11
Applicant: XEROX CORPORATION
Inventor： Sainarayanan Gopalakrishnan , Rajasekar Kanagasabai , Vignesh Doss
Abstract: The present disclosure discloses methods and systems for generating a mixed raster content (MRC) format file for a single background color image document. The method includes receiving an input document at an image capturing device. The input document is segmented into an image layer and a text layer. Then, image content in the image layer is determined. Upon an affirmative determination, a new image layer is generated by adding the determined image content to a white background image layer using a morphological operation. The text layer and the new image layer is compressed using respective compression schemes. The compressed text layer and the new image layer are integrated to generate image data in the MRC file format. The generated image data is stored in a memory device.
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公开(公告)号：US10341671B2
公开(公告)日：2019-07-02
申请号：US15493674
申请日：2017-04-21
Applicant: Xerox Corporation
Inventor： Sainarayanan Gopalakrishnan , Xing Li , Rajasekar Kanagasabai , Clara Cuciurean-Zapan , Vignesh Doss
Abstract: An image compression method includes compressing an input image with first and second compression methods to generate first and second (e.g., lossless and lossy) compressed images. First and second residual layers are generated, based on a difference between the first and second compressed images. Connected components in the residual layers are identified. Each connected component includes a group of one or more pixels that, when mapped to the second compressed image is connected, in first and second directions, to pixels in the second compressed image. A compressed image is generated, which includes, for a connected component identified in the first residual layer, removing corresponding pixels from the second compressed image, and for a connected component identified in the second residual layer, adding corresponding pixels to the second compressed image. The system and method can thus provide file size savings associated with lossy compression while avoiding character replacement.
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34.发明申请公开(公告)号：US20180217973A1
公开(公告)日：2018-08-02
申请号：US15417272
申请日：2017-01-27
Applicant: XEROX CORPORATION
CPC classification number: G06K9/72 , G06K2209/01
Abstract: The present disclosure discloses methods and systems for creating a multi-layered Optical Character Recognition (OCR) document, the multi-layered OCR document facilitates selection of the desired text from the multi-layered OCR document. The method includes receiving a scanned image corresponding to a document, the document includes text information. A binary image is generated from the scanned image. Then, a morphological dilation operation is performed to create one or more text groups, using a horizontal structuring element and a vertical structuring element. Thereafter, OCR operation is applied on each text group to generate a corresponding OCR layer. The one or more OCR layers are then combined while creating a multi-layered OCR document. Finally, the combined OCR layers are superimposed as invisible text layers over the scanned image to create the multi-layered OCR document.
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公开(公告)号：US09854126B2
公开(公告)日：2017-12-26
申请号：US14946536
申请日：2015-11-19
Applicant: XEROX CORPORATION
Inventor： Kalpanadevi Jeevanantham , Sainarayanan Gopalakrishnan , Raja Dorairaj
CPC classification number: H04N1/32133 , H04N1/00803 , H04N1/32144
Abstract: A system is provided for marking intentionally blank pages in a document. The system includes a processor that processes a document in an electronic form; a blank page detection routine that is run by the processor, the blank page detection routine being configured to detect a blank plank page in the document; and a blank page indicating routine that is run by the processor, the blank page indicating routine being configured to indicate with an indication that the blank page is an intentionally blank page. The indication is configured to be read by a marking device such that the marking device marks the blank page as intentionally blank.
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Patent Agency Ranking
公开(公告)号：US09712698B1
公开(公告)日：2017-07-18
申请号：US15001295
申请日：2016-01-20
Applicant: XEROX CORPORATION
Inventor： Sainarayanan Gopalakrishnan , Xing Li , Rajasekar Kanagasabai , Clara Cuciurean-Zapan
IPC: H04N1/00 , H04N1/40 , H04N1/60 , H04N1/04 , G06K15/02 , G06F3/12 , G06T7/11 , G06T7/194 , G06T11/60
CPC classification number: H04N1/00461 , G06F3/1206 , G06F3/1208 , G06F3/1242 , G06F3/1245 , G06F3/1247 , G06F3/1256 , G06F3/1282 , G06K9/00456 , G06K9/34 , G06K15/1801 , G06K15/1815 , G06K15/1822 , G06K15/1849 , G06K15/1878 , G06K15/189 , G06T7/11 , G06T7/194 , G06T11/60 , G06T2207/10008 , H04N1/00413 , H04N1/0044 , H04N1/0405 , H04N1/40062 , H04N1/60 , H04N1/648
Abstract: Methods and devices process an electronic image of an item that has a background color and line features of a second color distinct from the background color. An electronic image and a menu option are displayed to allow the user to define at least one area of the electronic image as a distinctive color region. The electronic image is separated into different planes, and line features within the distinctive color region are removed from a second mask plane (second color) and added to a third mask plane (third color). The first plane, second mask plane, and third mask plane, are combined into an electronic file, and automatically stored.
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公开(公告)号：US09712697B1
公开(公告)日：2017-07-18
申请号：US15001328
申请日：2016-01-20
Applicant: Xerox Corporation
Inventor： Sainarayanan Gopalakrishnan , Vignesh Doss , Sudhagar Subbaian , Dhevendra Alagan Palanivel
CPC classification number: H04N1/0044 , H04N1/00708 , H04N1/00734 , H04N1/00737 , H04N1/00774 , H04N1/19594 , H04N1/393 , H04N1/3935
Abstract: An electronic document image of a document is captured using a camera of a handheld device. A user interface of the handheld device displays an instruction to place the handheld device on the document and to change the magnification of the electronic document image on the user interface until the electronic document image and the document are the same size. The handheld device automatically determines the original size of the document based on the magnification that made the electronic document image and the document the same size when the handheld device was on the document. The handheld device converts the electronic document image into an original size document image file based on the original size of the document.
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公开(公告)号：US09659230B2
公开(公告)日：2017-05-23
申请号：US14830767
申请日：2015-08-20
Applicant: XEROX CORPORATION
Inventor： Sudhagar Subbaian , Sainarayanan Gopalakrishnan , Xing Li , Vignesh Doss , Clara Cuciurean-Zapan
CPC classification number: G06K9/52 , G06K9/3275 , G06K9/46 , G06K9/4604 , G06K9/4647 , G06K9/6201 , G06K9/6218 , G06K2009/4666 , G06T11/00
Abstract: The disclosed embodiments illustrate methods and systems for estimating a skew angle of an image. The method includes identifying a set of measurable blocks from one or more blocks in said image. The method further includes dilating each measurable block, in said set of measurable blocks, with a predetermined regular structure to create a set of modified measurable blocks. The method further includes selecting a second set of measurable blocks from said set of modified measurable blocks based on a size of each modified measurable block in said set of modified measurable blocks. Thereafter, the method includes determining a slope of each measurable block in said second set of measurable blocks. Further, the slope is utilizable to estimate said skew angle of said image. The method is performed by one or more microprocessors.
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公开(公告)号：US09563961B1
公开(公告)日：2017-02-07
申请号：US15000069
申请日：2016-01-19
Applicant: XEROX CORPORATION
Inventor： Rajasekar Kanagasabai , Sainarayanan Gopalakrishnan , Xing Li , Clara Cuciurean-Zapan , Sudhagar Subbaian
CPC classification number: G06T7/11 , G06K9/342 , G06T7/194 , G06T2207/10004
Abstract: A method and an application server are provided for processing an image. The application server comprising an image processing unit processes an image by segmenting into first segmented layer and a second segmented layer. The image processing unit identifies one or more regions in the first segmented layer and for a coordinate in the identified region a vicinity check condition is performed in the second segmented layer. The image processing unit compares a first size of identified region with at least an average size of the set of text components in the second segmented layer. Further, the image processing unit merges the identified region with the second segmented layer to get a processed image.
Abstract translation: 提供了一种用于处理图像的方法和应用服务器。 包括图像处理单元的应用服务器通过分割成第一分割层和第二分割层来处理图像。 图像处理单元识别第一分割层中的一个或多个区域，并且在所识别的区域中的坐标处，在第二分割层中执行附近检查条件。 所述图像处理单元将所识别的区域的第一大小与所述第二分割层中的所述一组文本成分的平均大小进行比较。 此外，图像处理单元将识别的区域与第二分割层合并以获得经处理的图像。
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公开(公告)号：US20160042497A1
公开(公告)日：2016-02-11
申请号：US14452576
申请日：2014-08-06
Applicant: Xerox Corporation
Inventor： Sainarayanan Gopalakrishnan , Dhevendra Alagan Palanivel , Rajasekar Kanagasabai , Ramesh Nagarajan
CPC classification number: G06T3/4092 , G06F17/212 , G06F17/214
Abstract: Various embodiments for methods and systems for processing documents are disclosed. A size of at least a part of a content in an electronic document is determined. Size of the part of the content is modified based at least on a pre-determined threshold value for size and the determined size. Further, various embodiments for methods and systems for processing N-Up documents are disclosed. One or more page images from an N-Up document are extracted based on an analysis of a content distribution in the N-Up document. A size of a content in at least a part of extracted one or more page images is determined. The size of the content is modified in accordance to a pre-determined threshold value receive from a user.
Abstract translation: 公开了用于处理文件的方法和系统的各种实施例。 确定电子文档中的内容的至少一部分的大小。 至少基于尺寸和所确定尺寸的预定阈值修改内容部分的大小。 此外，公开了用于处理N-up文档的方法和系统的各种实施例。 基于对N-Up文档中的内容分发的分析，提取来自N-up文档的一个或多个页面图像。 确定提取的一个或多个页面图像的至少一部分中的内容的大小。 根据从用户接收的预定阈值修改内容的大小。
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