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公开(公告)号：US09424668B1
公开(公告)日：2016-08-23
申请号：US14532692
申请日：2014-11-04
Applicant: GOOGLE INC.
Inventor： David Petrou , Krishnendu Chaudhury , Sergiu Goschin , Matthew John Bridges
CPC classification number: G06T11/206 , G06K9/00442 , G06T11/60
Abstract: Systems and methods are provided for sharing a screen from a mobile device. For example, a method includes receiving an image from a mobile device, performing recognition on the image to identify space-delimited strings, and generating a content graph for the image, the content graph having content nodes that represent at least some of the strings and the content graph having edges that represent a relative position of strings associated with the content nodes connected by the edges. The method may also include repeating the receiving, performing recognition, and generating for a plurality of images, the plurality of images belonging to a session, and generating a combined graph from the plurality of content graphs based on similarity of content nodes between content graphs, the combined graph representing text from the plurality of images in reading order.
Abstract translation: 提供了用于从移动设备共享屏幕的系统和方法。 例如，一种方法包括从移动设备接收图像，对图像执行识别以识别空格分隔的字符串，以及生成图像的内容图形，内容图表具有表示至少一些字符串的内容节点，以及 内容图具有表示与由边缘连接的内容节点相关联的字符串的相对位置的边。 该方法还可以包括重复对属于会话的多个图像的多个图像的接收，执行识别和生成，并且基于内容图形之间的内容节点的相似度从多个内容图形生成组合图， 组合图表示以读取顺序来自多个图像的文本。
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公开(公告)号：US08897579B2
公开(公告)日：2014-11-25
申请号：US14049772
申请日：2013-10-09
Applicant: Google Inc.
Inventor： Krishnendu Chaudhury , Ashutosh Garg , Prasenjit Phukan , Arvind Saraf
CPC classification number: G06F17/30253 , G06K9/6857
Abstract: A computer-implemented method of managing information is disclosed. The method can include receiving a message from a mobile device configured to connect to a mobile device network (the message including a digital image taken by the mobile device and including information corresponding to words), determining the words from the digital image information using optical character recognition, indexing the digital image based on the words, and storing the digital image for later retrieval of the digital image based on one or more received search terms.
Abstract translation: 公开了一种管理信息的计算机实现方法。 该方法可以包括从配置成连接到移动设备网络的移动设备接收消息（该消息包括由移动设备拍摄的数字图像并且包括与单词对应的信息），使用光学字符从数字图像信息中确定单词 识别，基于这些字索引数字图像，以及存储数字图像以便随后检索数字图像，基于一个或多个所接收的搜索项。
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公开(公告)号：US09852348B2
公开(公告)日：2017-12-26
申请号：US14690274
申请日：2015-04-17
Applicant: Google Inc.
Inventor： Krishnendu Chaudhury , Lu Chen , David Petrou , Blaise Aguera-Arcas
IPC: G06K9/18 , G06K9/00 , G06K9/32 , G06K9/34 , G06K9/46 , G06K9/62 , G06T3/40 , G06T11/60 , G06K9/36
CPC classification number: G06K9/18 , G06K9/00463 , G06K9/00483 , G06K9/3275 , G06K9/342 , G06K9/4642 , G06K9/6211 , G06K2009/363 , G06T3/4038 , G06T11/60
Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, to generate a scannable document. In one aspect, a method includes receiving a scan request, wherein the scan request includes a plurality of text images; for each text image of the plurality of text images: rectifying the text image to generate a text image with parallel image lines, generating a plurality of word bounding boxes that enclose one or more connected components in the text image, wherein each word bounding box is associated with a respective word, and generating, for each respective word in the text image, a plurality of points that represent the respective word; combining the plurality of text images to form a single text document; and providing the combined image as a scannable document.
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Patent Agency Ranking
公开(公告)号：US20160307059A1
公开(公告)日：2016-10-20
申请号：US14690274
申请日：2015-04-17
Applicant: Google Inc.
Inventor： Krishnendu Chaudhury , Lu Chen , David Petrou , Blaise Aguera-Arcas
CPC classification number: G06K9/18 , G06K9/00463 , G06K9/00483 , G06K9/3275 , G06K9/342 , G06K9/4642 , G06K9/6211 , G06K2009/363 , G06T3/4038 , G06T11/60
Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, to generate a scannable document. In one aspect, a method includes receiving a scan request, wherein the scan request includes a plurality of text images; for each text image of the plurality of text images: rectifying the text image to generate a text image with parallel image lines, generating a plurality of word bounding boxes that enclose one or more connected components in the text image, wherein each word bounding box is associated with a respective word, and generating, for each respective word in the text image, a plurality of points that represent the respective word; combining the plurality of text images to form a single text document; and providing the combined image as a scannable document.
Abstract translation: 方法，系统和装置，包括在计算机存储介质上编码的计算机程序，以产生可扫描文档。 一方面，一种方法包括接收扫描请求，其中扫描请求包括多个文本图像; 对于所述多个文本图像的每个文本图像：对所述文本图像进行校正以生成具有并行图像线的文本图像，生成将所述文本图像中的一个或多个连接分量包围的多个单词边界框，其中每个单词界限框为 与相应词相关联，并且对于文本图像中的每个相应词生成表示相应词的多个点; 组合所述多个文本图像以形成单个文本文档; 并将组合图像提供为可扫描文档。
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公开(公告)号：US20140044365A1
公开(公告)日：2014-02-13
申请号：US14049772
申请日：2013-10-09
Applicant: Google Inc.
Inventor： Krishnendu Chaudhury , Ashutosh Garg , Prasenjit Phukan , Arvind Saraf
CPC classification number: G06F17/30253 , G06K9/6857
Abstract: A computer-implemented method of managing information is disclosed. The method can include receiving a message from a mobile device configured to connect to a mobile device network (the message including a digital image taken by the mobile device and including information corresponding to words), determining the words from the digital image information using optical character recognition, indexing the digital image based on the words, and storing the digital image for later retrieval of the digital image based on one or more received search terms.
Abstract translation: 公开了一种管理信息的计算机实现方法。 该方法可以包括从配置成连接到移动设备网络的移动设备接收消息（该消息包括由移动设备拍摄的数字图像并且包括与单词对应的信息），使用光学字符从数字图像信息中确定单词 识别，基于这些字索引数字图像，以及存储数字图像以便随后检索数字图像，基于一个或多个所接收的搜索项。
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公开(公告)号：US09064309B2
公开(公告)日：2015-06-23
申请号：US14066633
申请日：2013-10-29
Applicant: Google Inc.
Inventor： Krishnendu Chaudhury , Stephen J. DiVerdi
Abstract: Implementations relate to relate to rectification of distortion in an image. In some implementations, a method includes extracting edgelets from an image, each edgelet defined by a location of a pixel having an edge depicted in the image and defined by a direction of the edge. The method finds at least one vanishing point in the image based on intersections of pairs of the edges of the edgelets. Each vanishing point is selected based on a plurality of the edgelets in the image having edges approximately aligned with the vanishing point. Found vanishing points are used to transform the image to reduce image distortion.
Abstract translation: 实现涉及图像中的失真整流。 在一些实现中，一种方法包括从图像中提取边缘，每个边缘由具有图像中描绘的边缘并由边缘的方向限定的像素的位置限定。 该方法基于边缘边缘对的交叉点在图像中找到至少一个消失点。 基于图像中的多个边缘与消失点大致对准的边缘来选择每个消失点。 发现消失点用于转换图像以减少图像失真。
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公开(公告)号：US08983188B1
公开(公告)日：2015-03-17
申请号：US13894390
申请日：2013-05-14
Applicant: Google Inc.
Inventor： Grayson Lang , Krishnendu Chaudhury
CPC classification number: G06T5/002 , G06T5/20 , G06T2207/10024 , G06T2207/20192
Abstract: In some implementations of edge-aware smoothing, a method includes determining a boundary map for an input image, where the boundary map associates one of multiple different labels to each pixel of the input image, and the labels indicate one or more edges in the input image. The method determines a set of input pixels of the input image eligible to influence an output pixel of an output image, the output pixel corresponding to a pixel of the input image. A blurred pixel value for the output pixel is determined, where the blurred pixel value is based on the set of input pixels and associated labels from the boundary map that correspond to the set of input pixels. The associated labels are used to reduce blurring in the output image of any of the one or more edges present in the set of input pixels.
Abstract translation: 在边缘感知平滑的一些实现中，一种方法包括确定输入图像的边界图，其中边界图将多个不同标签之一与输入图像的每个像素相关联，并且标签指示输入中的一个或多个边缘 图片。 该方法确定有效影响输出图像的输出像素的输入图像的一组输入像素，输出像素对应于输入图像的像素。 确定输出像素的模糊像素值，其中模糊像素值基于来自对应于输入像素集合的边界图的输入像素和相关联的标签集合。 相关联的标签用于减少在输入像素组中存在的一个或多个边缘中的任何一个的输出图像中的模糊。
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公开(公告)号：US08856541B1
公开(公告)日：2014-10-07
申请号：US13738549
申请日：2013-01-10
Applicant: Google Inc.
Inventor： Krishnendu Chaudhury , Avani Devarasetty
IPC: G06F21/00 , G06F7/04 , G06F12/00 , G06F12/14 , G06F13/00 , G06F17/30 , G06F7/00 , G06K9/00 , G07C9/00 , G06F21/36 , G06F21/32
CPC classification number: G06F21/36 , G06F21/32 , G06F2221/2133 , G06K9/00288 , G06K9/00335 , G06K9/00597 , G06K9/00906 , G06K9/00912 , G07C9/00071 , G07C9/00158
Abstract: In general, liveness detection techniques are described for facial recognition. The techniques enable potential detection and mitigation of attempts to authenticate by spoofing. An example method includes determining, by a computing device, a challenge pattern against which to match an authentication input to detect liveness, and displaying, using a display device, a graphical user interface (GUI) including an element and moving the element according to the challenge pattern within the GUI. The method further includes receiving, from an image capture device, at least a first image of a face and a second image of the face, and detecting one or more eye movements based on the first and second images of the face. The method further includes determining whether to deny authentication with respect to accessing one or more functionalities controlled by the computing device.
Abstract translation: 一般来说，针对面部识别描述了活力检测技术。 这些技术能够通过欺骗进行潜在的检测和减轻尝试认证。 一种示例性方法包括：由计算设备确定与其进行匹配的认证输入以检测活动的挑战模式，以及使用显示设备显示包括元素的图形用户界面（GUI）并根据所述元素移动所述元素 GUI中的挑战模式。 该方法还包括从图像捕获装置接收面部的至少第一图像和脸部的第二图像，以及基于面部的第一和第二图像检测一个或多个眼睛运动。 该方法还包括确定是否拒绝关于访问由该计算设备控制的一个或多个功能的认证。
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