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    • 1. 发明申请
    • Image-Based CAPTCHA Exploiting Context in Object Recognition
    • 基于图像的CAPTCHA探索对象识别中的上下文
    • US20110208716A1
    • 2011-08-25
    • US12709311
    • 2010-02-19
    • Jia LiuBin Benjamin ZhuQiujie LiShipeng LiNing Xu
    • Jia LiuBin Benjamin ZhuQiujie LiShipeng LiNing Xu
    • G06F17/30G06K9/00
    • G06F21/36G06F17/30247G06T7/11G06T7/194G06T11/60G06T2210/22
    • Techniques for an image-based CAPTCHA for object recognition are described. The disclosure describes adding images to a database by collecting images by querying descriptive keywords to an image search engine or crawling images from the Internet.The disclosure describes generating the image-based CAPTCHA. The image is retrieved from the database, along with objects having significant values. An object is cropped from its image. The portion on the image where the object has been cropped is filled with image inpainting. The process obtains other objects from the database. The object is mixed among the other objects to from a set of candidate objects. A user is asked to select “the object” from the set of candidate objects that fits or matches the image. The image-based CAPTCHA evaluates whether a response, the selection, is from a human or a bot.
    • 描述了用于对象识别的基于图像的CAPTCHA的技术。 本公开内容描述了通过向图像搜索引擎查询描述性关键词或从因特网爬行图像来收集图像来向图像数据库添加图像。 该公开内容描述了生成基于图像的CAPTCHA。 从数据库中检索图像以及具有重要值的对象。 一个物体从其图像中裁剪出来。 被裁剪对象的图像部分填充有图像修复。 该进程从数据库获取其他对象。 该对象在其他对象之间从一组候选对象中进行混合。 要求用户从适合或匹配图像的候选对象集中选择“对象”。 基于图像的CAPTCHA评估响应,选择是来自人还是机器人。
    • 2. 发明授权
    • Image-based CAPTCHA exploiting context in object recognition
    • 基于图像的CAPTCHA利用对象识别中的上下文
    • US08483518B2
    • 2013-07-09
    • US12709311
    • 2010-02-19
    • Bin ZhuJia LiuQiujie LiShipeng LiNing Xu
    • Bin ZhuJia LiuQiujie LiShipeng LiNing Xu
    • G06K9/60
    • G06F21/36G06F17/30247G06T7/11G06T7/194G06T11/60G06T2210/22
    • Techniques for an image-based CAPTCHA for object recognition are described. The disclosure describes adding images to a database by collecting images by querying descriptive keywords to an image search engine or crawling images from the Internet.The disclosure describes generating the image-based CAPTCHA. The image is retrieved from the database, along with objects having significant values. An object is cropped from its image. The portion on the image where the object has been cropped is filled with image inpainting. The process obtains other objects from the database. The object is mixed among the other objects to form a set of candidate objects. A user is asked to select “the object” from the set of candidate objects that fits or matches the image. The image-based CAPTCHA evaluates whether a response, the selection, is from a human or a bot.
    • 描述了用于对象识别的基于图像的CAPTCHA的技术。 本公开内容描述了通过向图像搜索引擎查询描述性关键词或从因特网爬行图像来收集图像来向图像数据库添加图像。 该公开内容描述了生成基于图像的CAPTCHA。 从数据库中检索图像以及具有重要值的对象。 一个物体从其图像中裁剪出来。 被裁剪对象的图像部分填充有图像修复。 该进程从数据库获取其他对象。 对象在其他对象之间进行混合以形成一组候选对象。 要求用户从适合或匹配图像的候选对象集中选择“对象”。 基于图像的CAPTCHA评估响应,选择是来自人还是机器人。
    • 3. 发明申请
    • TEARING AND CONFORMAL TRANSFORMATION HUMAN INTERACTIVE PROOF
    • 倾听和一致的转换人际交往证据
    • US20110072498A1
    • 2011-03-24
    • US12563977
    • 2009-09-21
    • Weisheng LiBin Benjamin ZhuHai XinNing XuJia Liu
    • Weisheng LiBin Benjamin ZhuHai XinNing XuJia Liu
    • H04L9/32
    • G06F21/36G06F2221/2133
    • The HIP creation technique described herein pertains to a technique for creating a human interactive proof (HIP) by applying tearing and/or a conformal transformation to a string of characters while maintaining readability of text. In one embodiment, the technique tears a character string into two or more pieces and applies conformal transformation to warp the pieces in order to create a HIP. The transformation changes the shape and orientation of the characters but preserves angles of the characters which makes it easy for humans to recognize the characters after the transformation. Other embodiments of the technique create HIPs by applying tearing only to a string of characters, or by applying conformal transformation only to the character string.
    • 本文描述的HIP创建技术涉及通过在保持文本的可读性的同时对一串字符应用撕裂和/或适形变换来创建人类交互式证明(HIP)的技术。 在一个实施例中,该技术将字符串撕裂成两个或更多个片段并且施加保形变换以扭曲片段以便创建HIP。 转换改变了角色的形状和方向,但保留了人物的角度,使得人们在转换后能够识别角色。 该技术的其他实施例通过仅对一串字符进行撕裂而创建HIP,或者仅通过对字符串应用共形变换来创建HIP。
    • 4. 发明授权
    • Tearing and conformal transformation human interactive proof
    • 撕裂和保形转换人的互动证明
    • US08359394B2
    • 2013-01-22
    • US12563977
    • 2009-09-21
    • Weisheng LiBin Benjamin ZhuHai XinNing XuJia Liu
    • Weisheng LiBin Benjamin ZhuHai XinNing XuJia Liu
    • G06F15/16G06F9/44H04L9/32
    • G06F21/36G06F2221/2133
    • The HIP creation technique described herein pertains to a technique for creating a human interactive proof (HIP) by applying tearing and/or a conformal transformation to a string of characters while maintaining readability of text. In one embodiment, the technique tears a character string into two or more pieces and applies conformal transformation to warp the pieces in order to create a HIP. The transformation changes the shape and orientation of the characters but preserves angles of the characters which makes it easy for humans to recognize the characters after the transformation. Other embodiments of the technique create HIPs by applying tearing only to a string of characters, or by applying conformal transformation only to the character string.
    • 本文描述的HIP创建技术涉及通过在保持文本的可读性的同时对一串字符应用撕裂和/或适形变换来创建人类交互式证明(HIP)的技术。 在一个实施例中,该技术将字符串撕裂成两个或更多个片段并且施加保形变换以扭曲片段以便创建HIP。 转换改变了角色的形状和方向,但保留了人物的角度,使得人们在转换后能够识别角色。 该技术的其他实施例通过仅对一串字符进行撕裂而创建HIP,或者仅通过对字符串应用共形变换来创建HIP。
    • 5. 发明授权
    • Overlay human interactive proof system and techniques
    • 覆盖人​​类互动证明系统和技术
    • US08935767B2
    • 2015-01-13
    • US12780013
    • 2010-05-14
    • Weisheng LiBin ZhuNing XuJia Liu
    • Weisheng LiBin ZhuNing XuJia Liu
    • H04L29/00G06F9/44G06F21/36H04L9/32
    • G06F9/44G06F21/36G06F2221/2133H04L9/32
    • The overlay human interactive proof system (“OHIPS”) and techniques described herein operate in conjunction with any known or later developed computer-based applications or services to provide secure access to resources by reliably differentiating between human and non-human users. Humans have a generally superior ability to differentiate misaligned characters or objects from correctly aligned ones. As such, the OHIP splits an image including one or more visual objects into two or more partial images to form a HIP. The partial images may also be further split into groups of sub-partial images, and/or the partial images (or the sub-partial images) may be moved, so that at any given alignment position, a user can recognize only some visual objects. A user is instructed to reassemble the partial images at one or more predetermined alignment positions using a GUI, and the user is asked to identify information regarding one or more visible objects.
    • 覆盖人​​类交互式证明系统(“OHIPS”)和本文所描述的技术与任何已知或未来开发的基于计算机的应用或服务相结合,通过可靠地区分人和非人类用户来提供对资源的安全访问。 人类具有一般优越的能力来区分不正确的字符或对象与正确对齐的字符或对象。 因此,OHIP将包括一个或多个可视对象的图像分割成两个或更多个部分图像以形成HIP。 部分图像还可以进一步分割成一组子部分图像,和/或部分图像(或子部分图像)可以被移动,使得在任何给定的对准位置,用户只能识别一些视觉对象 。 指示用户使用GUI重新组装在一个或多个预定对准位置处的部分图像,并且要求用户识别关于一个或多个可见对象的信息。
    • 6. 发明申请
    • OVERLAY HUMAN INTERACTIVE PROOF SYSTEM AND TECHNIQUES
    • 覆盖人​​类互动证明系统和技术
    • US20110283346A1
    • 2011-11-17
    • US12780013
    • 2010-05-14
    • Weisheng LiBin ZhuNing XuJia Liu
    • Weisheng LiBin ZhuNing XuJia Liu
    • G06F21/00G06K9/34
    • G06F9/44G06F21/36G06F2221/2133H04L9/32
    • The overlay human interactive proof system (“OHIPS”) and techniques described herein operate in conjunction with any known or later developed computer-based applications or services to provide secure access to resources by reliably differentiating between human and non-human users. Humans have a generally superior ability to differentiate misaligned characters or objects from correctly aligned ones. As such, the OHIP splits an image including one or more visual objects into two or more partial images to form a HIP. The partial images may also be further split into groups of sub-partial images, and/or the partial images (or the sub-partial images) may be moved, so that at any given alignment position, a user can recognize only some visual objects. A user is instructed to reassemble the partial images at one or more predetermined alignment positions using a GUI, and the user is asked to identify information regarding one or more visible objects.
    • 覆盖人​​类交互式证明系统(“OHIPS”)和本文所描述的技术与任何已知或未来开发的基于计算机的应用或服务相结合,通过可靠地区分人和非人类用户来提供对资源的安全访问。 人类具有一般优越的能力来区分不正确的字符或对象与正确对齐的字符或对象。 因此,OHIP将包括一个或多个可视对象的图像分割成两个或更多个部分图像以形成HIP。 部分图像还可以进一步分割成一组子部分图像,和/或部分图像(或子部分图像)可以被移动,使得在任何给定的对准位置,用户只能识别一些视觉对象 。 指示用户使用GUI重新组装在一个或多个预定对准位置处的部分图像,并且要求用户识别关于一个或多个可见对象的信息。
    • 8. 发明授权
    • Method, apparatus, and computer program product for adaptive relaying data distribution in wireless networks
    • 用于无线网络中自适应中继数据分发的方法,装置和计算机程序产品
    • US09344204B2
    • 2016-05-17
    • US14381688
    • 2012-04-05
    • Canfeng ChenJia LiuYongguang GuoMika Kasslin
    • Canfeng ChenJia LiuYongguang GuoMika Kasslin
    • H04H20/08H04H20/71H04W40/22
    • H04H20/08H04H20/71H04W40/22
    • Method, apparatus, and computer program product example embodiments enable data distribution in wireless communication networks. In example embodiments, a method comprises receiving a wireless broadcast message including a message ID and an associated distributor address; buffering the received wireless broadcast message and starting an observation window timer for the message if the message ID of the received wireless broadcast message is not stored in a database of message IDs and associated distributor addresses for previously received wireless broadcast messages; calculating a relaying probability for the received wireless broadcast message, based on a number of distributor address entries associated with the message ID in the database, the entries resulting from receiving other wireless broadcast messages having the same message ID during the observation window; transmitting the buffered message following termination of the observation window, based on the calculated relaying probability; and starting a cooling window timer upon termination of the observation window and removing all records containing the message ID from the database following termination of the cooling window.
    • 方法,装置和计算机程序产品示例实施例使能无线通信网络中的数据分发。 在示例实施例中,一种方法包括接收包括消息ID和相关联的分配器地址的无线广播消息; 如果所接收的无线广播消息的消息ID未被存储在用于先前接收到的无线广播消息的消息ID和相关联的分配器地址的数据库中,则缓存所接收的无线广播消息并启动该消息的观察窗口定时器; 基于与数据库中的消息ID相关联的分配器地址条目的数量来计算所接收的无线广播消息的中继概率,在观察窗口期间从接收到具有相同消息ID的其他无线广播消息导致的条目; 基于所计算的中继概率,在观察窗口终止后发送缓冲消息; 并在观察窗口终止后启动冷却窗口计时器,并在冷却窗口终止后从数据库中删除包含消息ID的所有记录。