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    • 2. 发明授权
    • Trick mode using dummy bidirectional predictive pictures
    • 使用虚拟双向预测图片的模式模式
    • US07106945B2
    • 2006-09-12
    • US10197233
    • 2002-07-16
    • Shu LinDonald Henry Willis
    • Shu LinDonald Henry Willis
    • H04N5/91H04N7/26
    • H04N5/783H04N5/775H04N9/8042
    • The invention concerns a method (200) or (300) and system (100) for performing a trick mode on a video signal containing a plurality of progressively scanned original pictures. The method (200) includes the steps of: selectively repeating (214) at least one of the original pictures to convert the video signal to a trick mode video signal in response to a trick mode command; and the step of selectively inserting (216) at least one dummy bidirectional predictive picture in the trick mode video signal. In addition, the method (300) can include the step of monitoring (316) the trick mode video signal so that the dummy bidirectional predictive picture is selectively inserted when the bit rate exceeds a predetermined threshold. Certain pictures in the trick mode video signal can also be modified (220) (328) to reflect an intended display order.
    • 本发明涉及一种用于对包含多个逐行扫描的原始图像的视频信号执行特技模式的方法(200)或(300)和系统(100)。 方法(200)包括以下步骤:响应于特技模式命令,选择性地重复(214)至少一个原始图像以将视频信号转换为特技模式视频信号; 以及在特技模式视频信号中选择性地插入(216)至少一个虚拟双向预测图像的步骤。 此外,方法(300)可以包括监视(316)特技模式视频信号的步骤,使得当比特率超过预定阈值时,选择性地插入虚拟双向预测图像。 特技模式视频信号中的某些图像也可以被修改(220)(328)以反映预期的显示顺序。
    • 4. 发明授权
    • Fast motion trick mode using non-progressive dummy predictive pictures
    • 使用非渐进虚拟预测图片的快速运动特技模式
    • US07643724B2
    • 2010-01-05
    • US10493349
    • 2002-10-22
    • Shu LinDonald Henry Willis
    • Shu LinDonald Henry Willis
    • H04N5/91
    • H04N5/783H04N5/85H04N9/8042
    • The invention concerns a method and system for performing a trick mode on a video signal containing a plurality of original pictures. The method includes the steps of selectively skipping at least one of the original pictures to convert the video signal to a trick mode video signal in response to a trick mode command and selectively inserting at least one dummy predictive picture in the trick mode video signal using field-based prediction. The method can also include the steps of monitoring the trick mode video signal in which the step of selectively inserting at least one dummy predictive picture in the trick mode video signal can be done if the bit rate of the trick mode video signal exceeds a predetermined threshold.
    • 本发明涉及一种用于对包含多个原始图像的视频信号执行特技模式的方法和系统。 该方法包括以下步骤:响应于特技模式命令,选择性地跳过原始图像中的至少一个以将视频信号转换为特技模式视频信号,并且使用字段选择性地插入特技模式视频信号中的至少一个虚拟预测图像 的预测。 该方法还可以包括以下步骤:监视特技模式视频信号,其中如果特技模式视频信号的比特率超过预定阈值,则可以在特技模式视频信号中选择性地插入至少一个虚拟预测图像的步骤 。
    • 5. 发明授权
    • Trick mode using dummy predictive pictures
    • 使用虚拟预测图片的模式模式
    • US07174086B2
    • 2007-02-06
    • US10078909
    • 2002-02-19
    • Shu LinDonald Henry Willis
    • Shu LinDonald Henry Willis
    • H04N5/91H04N7/26
    • H04N5/783G06T9/004H04N5/775H04N5/85H04N9/8042H04N21/4325H04N21/440281
    • The invention concerns a method (200) or (300) and system (100) for performing a trick mode on a video signal containing a plurality of progressively scanned original pictures. The method (200) includes the steps of: selectively repeating (214) at least one of the original pictures to convert the video signal to a trick mode video signal in response to a trick mode command; and the step of selectively inserting (216) at least one dummy predictive picture in the trick mode video signal. In addition, the method (300) can include the step of monitoring (316) the trick mode video signal so that the dummy predictive picture is selectively inserted when the bit rate exceeds a predetermined threshold. Certain pictures in the trick mode video signal can also be modified (220) (328) to reflect an intended display order.
    • 本发明涉及一种用于对包含多个逐行扫描的原始图像的视频信号执行特技模式的方法(200)或(300)和系统(100)。 方法(200)包括以下步骤:响应于特技模式命令,选择性地重复(214)至少一个原始图像以将视频信号转换为特技模式视频信号; 以及在特技模式视频信号中选择性地插入(216)至少一个虚拟预测图像的步骤。 此外,方法(300)可以包括监视(316)特技模式视频信号的步骤,使得当比特率超过预定阈值时,有选择地插入虚拟预测图像。 特技模式视频信号中的某些图像也可以被修改(220)(328)以反映预期的显示顺序。
    • 7. 发明授权
    • Low bit rate compression format conversion for improved resolution
    • 低比特率压缩格式转换,提高分辨率
    • US06573941B1
    • 2003-06-03
    • US10127743
    • 2002-04-22
    • Donald Henry WillisShu Lin
    • Donald Henry WillisShu Lin
    • H04N701
    • H04N21/234363H04N7/01H04N7/012H04N7/0135H04N7/12
    • A method for format conversion includes providing a first interlaced video signal including non-progressive video of a first resolution, downconverting fields of the first resolution to fields of a second resolution, and combining and interlacing the fields at a third resolution. The video signal is transmitted at the third resolution. The video signal of the third resolution is deinterlaced to form a progressive format video. The progressive format video is converted to the first non-progressive resolution by alternately adjusting position of the progressive format of the third resolution up and down to make upper and lower fields, respectively, of the first resolution for display.
    • 一种用于格式转换的方法包括提供包括第一分辨率的非逐行视频的第一隔行视频信号,将第一分辨率的场下变频为第二分辨率的场,以及以第三分辨率合并和交织场。 视频信号以第三分辨率传输。 第三分辨率的视频信号被去隔行扫描以形成逐行格式视频。 通过交替地调整第三分辨率的逐行格式的上下位置来逐行格式视频被转换成第一非逐行分辨率,以分别形成用于显示的第一分辨率的上和下场。
    • 8. 发明授权
    • Trick mode on bidirectional predictive frames
    • 双向预测帧技巧模式
    • US08705947B2
    • 2014-04-22
    • US10099710
    • 2002-03-14
    • Shu LinDonald Henry Willis
    • Shu LinDonald Henry Willis
    • H04N5/783
    • H04N5/783G06T9/004H04N5/775H04N5/85H04N9/8042H04N21/4325H04N21/440281
    • A method (200) and system (100) for performing a trick mode on a video signal. The method includes the steps of receiving (210) a trick mode command, in response to the trick mode command, repeating (212) a picture in the video signal to form a trick mode video signal in which the picture contains a display indicator; setting (214) the display indicator of the picture being repeated to a predetermined value; and setting (216) the display indicators of subsequent repeated pictures of the picture being repeated to the predetermined value. In one arrangement, the trick mode can be a freeze trick mode, and the picture to be repeated can be a bidirectional predictive picture. In addition, the display indicator can be a temporal reference field having an integer value.
    • 一种用于对视频信号执行特技模式的方法(200)和系统(100)。 该方法包括以下步骤:响应于特技模式命令,接收(210)特技模式命令,重复(212)视频信号中的图像,以形成图像包含显示指示符的特技模式视频信号; 将重复的图像的显示指示器设置(214)到预定值; 并且将重复的图像的后续重复图像的显示指示符设置(216)到预定值。 在一种布置中,特技模式可以是冻结特技模式,并且要重复的图像可以是双向预测图像。 此外,显示指示符可以是具有整数值的时间参考字段。
    • 10. 发明授权
    • Generating a non-progressive dummy bidirectional predictive picture
    • 生成非渐进式虚拟双向预测图像
    • US06990147B2
    • 2006-01-24
    • US10158687
    • 2002-05-30
    • Shu LinDonald Henry Willis
    • Shu LinDonald Henry Willis
    • H04N7/12
    • H04N5/783G06T9/004H04N5/775H04N5/85H04N9/8042H04N21/4325H04N21/440281
    • The invention concerns a method (200) and system (100) for generating a dummy bidirectional predictive picture which can be repeated during display with substantially no vibration in which the dummy bidirectional predictive picture contains at least two fields. The method includes the steps of setting (220) a parameter of the dummy bidirectional predictive picture to indicate that no encoding of a residual signal will occur and employing (216, 222, 224) field-based prediction to predict the at least two fields of the dummy bidirectional predictive picture. The setting step can further include setting the parameter of the dummy bidirectional predictive picture to indicate that no discrete cosine transform encoding of the residual signal will occur. The dummy bidirectional predictive picture can include a plurality of macroblocks, and each macroblock can contain at least a portion of the at least two fields and the parameter can be a macroblock parameter.
    • 本发明涉及一种用于产生虚拟双向预测图像的方法(200)和系统(100),所述虚拟双向预测图像可以在基本上没有抖动的显示期间重复,其中虚拟双向预测图像包含至少两个场。 该方法包括以下步骤:设置(220)虚拟双向预测图像的参数,以指示不发生残留信号的编码,并采用(216,222,224)基于场的预测来预测至少两个场的 虚拟双向预测图片。 设置步骤还可以包括设置虚拟双向预测图像的参数,以指示不会发生残留信号的离散余弦变换编码。 虚拟双向预测图像可以包括多个宏块,并且每个宏块可以包含至少两个场的至少一部分,并且该参数可以是宏块参数。