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    • 9. 发明授权
    • Method for detection of a hacked decoder
    • 用于检测被黑客解码器的方法
    • US08824685B2
    • 2014-09-02
    • US12195660
    • 2008-08-21
    • Brant L. Candelore
    • Brant L. Candelore
    • H04L9/08H04N21/266H04N21/442H04N7/167H04N21/426
    • H04L9/0833H04L9/0822H04L2209/603H04N7/1675H04N21/26606H04N21/26613H04N21/42623H04N21/44236
    • A method of identifying a receiver device from which pirated video decryption keys have been obtained consistent with certain embodiments involves organizing a population of receiver devices into a plurality of N groups; associating the N groups with a plurality of N decryption keys, where each of the N groups is associated with one of the N decryption keys, where the N decryption keys are used for either decryption of content or decryption of other decryption keys; causing the plurality of N decryption keys to be obtained by their associated N groups of receiver devices by direct delivery or by derivation at the receiver devices; and identifying a pirated key as being associated with one of the N groups so as to identify the receiver device from which the pirated video decryption keys have been obtained as belonging to one of the N groups. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.
    • 根据某些实施例,识别已经获得盗版视频解密密钥的接收机设备的方法涉及将多个接收机设备组合成多个N个组; 将N个组与多个N个解密密钥相关联,其中N个组中的每一个与N个解密密钥中的一个相关联,其中N个解密密钥用于解密内容或解密其他解密密钥; 通过直接传递或通过在接收机设备处的推导,由其相关联的N组接收机设备获得多个N个解密密钥; 以及将盗版密钥识别为与所述N个组中的一个相关联,以便将已经获得所述盗版视频解密密钥的接收机设备识别为属于所述N个组之一。 该摘要不被认为是限制性的,因为其他实施例可能偏离本摘要中描述的特征。
    • 10. 发明授权
    • Capture of stylized TV table data via OCR
    • 通过OCR捕获风格化的电视表数据
    • US08763038B2
    • 2014-06-24
    • US12321856
    • 2009-01-26
    • Brant L. Candelore
    • Brant L. Candelore
    • G06F3/00G06F13/00H04N5/445
    • H04N21/4312G06K9/325G06K2209/01G11B27/28G11B27/329H04N5/4448H04N5/44513H04N21/44H04N21/44008H04N21/84
    • In certain implementations consistent with the present invention, a method of detecting text in a television video display table involves saving a frame of video to a memory device; determining that the frame of video contains a table having cells containing text; storing a working copy of the frame of video to a memory; isolating text in the table by: removing any table boundaries from the image; removing any cell boundaries from the image; determining if the image has three dimensional or shadow attributes and removing any three dimensional or shadow attributes identified; thereby producing text isolated against a contrasting color background; and processing the isolated text using an optical character recognition (OCR) engine to extract the text as data. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.
    • 在符合本发明的某些实施方式中,检测电视视频显示表中的文本的方法包括将视频帧保存到存储器设备; 确定视频帧包含具有包含文本的单元格的表; 将视频帧的工作副本存储到存储器中; 通过以下方式隔离表中的文本:从图像中删除任何表格边界; 从图像中移除任何单元格边界; 确定图像是否具有三维或阴影属性并去除所识别的任何三维或阴影属性; 从而产生与对比色彩背景隔离的文本; 并使用光学字符识别(OCR)引擎来处理孤立的文本,以将数据提取为数据。 该摘要不被认为是限制性的,因为其他实施例可能偏离本摘要中描述的特征。