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    • 1. 发明授权
    • Method and system for improving the appearance of deinterlaced chroma formatted video
    • 改进去隔行色度格式视频外观的方法和系统
    • US07746408B2
    • 2010-06-29
    • US11349658
    • 2006-02-08
    • Richard Hayden WymanDarren D. NeumanBrian F. Schoner
    • Richard Hayden WymanDarren D. NeumanBrian F. Schoner
    • H04N11/02
    • H04N7/012H04N9/64
    • Herein described is a system and method for improving the appearance of video by generating an improved 4:2:2 chroma. The system comprises a 4:2:2 to 4:2:0 chroma regenerator that regenerates 4:2:0 chroma given a received 4:2:2 chroma, and a 4:2:0 to 4:2:2 chroma generator that weaves and interpolates the regenerated 4:2:0 chroma to yield an adjusted 4:2:2 chroma. The system further comprises a blending system used for blending the adjusted 4:2:2 chroma with the received 4:2:2 chroma based on a control input provided by a motion indication signal. The method comprises regenerating a 4:2:0 chroma from a received 4:2:2 chroma using an algorithm. The method further comprises generating an adjusted 4:2:2 chroma using the regenerated 4:2:0 chroma using another algorithm. The method further comprises blending the adjusted 4:2:2 chroma with the received 4:2:2 chroma to generate an improved 4:2:2 chroma.
    • 这里描述了通过产生改进的4:2:2色度来改善视频外观的系统和方法。 该系统包括4:2:2至4:2:0色度再生器,其以4:2:2色度和4:2:0至4:2:2色度发生器再生4:2:0色度 编织和内插再生的4:2:0色度以产生调整的4:2:2色度。 该系统还包括一个混合系统,用于基于由运动指示信号提供的控制输入将调整后的4:2:2色度与接收到的4:2:2色度进行混合。 该方法包括使用算法从接收到的4:2:2色度再生4:2:0色度。 该方法还包括使用另一种算法使用再生的4:2:0色度生成调整后的4:2:2色度。 该方法还包括将经调节的4:2:2色度与接收的4:2:2色度混合以产生改进的4:2:2色度。
    • 2. 发明授权
    • Detection and phase lock of pull-down video
    • 下拉视频的检测和锁相
    • US08861589B2
    • 2014-10-14
    • US10871758
    • 2004-06-17
    • Richard Hayden Wyman
    • Richard Hayden Wyman
    • H04N7/12H04N7/01
    • H04N7/0115
    • Certain aspects of the invention may comprise a plurality of algorithms and architectures capable of performing 3:2 pull-down cadence detection and reverse 3:2 pull-down of a received video signal. In one embodiment, a method of identifying a pull-down field in a pull-down video stream comprises generating one or more temporally sequential variances, correlating the one or more temporally sequential variances to one or more temporal variance patterns associated with the pull-down video, wherein each of the one or more temporal variance patterns is associated with one or more unique field phases. In one embodiment, a system for identifying a pull-down field in a pull-down video stream comprises a memory, a first circuitry capable of computing a first equation, a second circuitry capable of computing a second equation, a third correlation circuitry, one or more counters, and a fourth circuitry capable of selecting a field phase.
    • 本发明的某些方面可以包括能够执行3:2下拉节奏检测和反向接收的视频信号的3:2下拉的多种算法和架构。 在一个实施例中,识别下拉视频流中的下拉字段的方法包括生成一个或多个时间上顺序的方差,将一个或多个时间上顺序的方差与一个或多个与下拉关联的时间方差模式相关联 视频,其中所述一个或多个时间方差图案中的每一个与一个或多个唯一的场相关联。 在一个实施例中,用于识别下拉视频流中的下拉字段的系统包括存储器,能够计算第一方程的第一电路,能够计算第二方程的第二电路,第三相关电路,第一相关电路 或更多的计数器,以及能够选择场相位的第四电路。
    • 6. 发明申请
    • Method and system for reducing composite video cross-chroma artifacts in movie material for a deinterlacer
    • 用于减少去隔行扫描电影材料中的复合视频交叉色度伪影的方法和系统
    • US20080012984A1
    • 2008-01-17
    • US11485094
    • 2006-07-12
    • Richard Hayden WymanBrad A. Delanghe
    • Richard Hayden WymanBrad A. Delanghe
    • H04N7/01
    • H04N9/646H04N7/0112
    • Herein described is a method and system for generating an improved video output when deinterlacing pull-down video. The improvement results from reducing cross-chroma artifacts. In a representative embodiment, the method comprises first computing an adjusted chroma of a present pixel from a present top field or present bottom field of film sourced video as a function of an execution stage field phase. The method further comprises second computing a chroma of an absent pixel vertically adjacent to the present pixel, wherein the second computing is performed as a function of the execution stage field phase. In a representative embodiment, a deinterlacer video engine and a local storage circuitry process the 3:2 pull-down video by applying various equations for performing the first computing and the second computing. An adjusted chroma and an absent pixel chroma is computed for each present pixel at each execution stage field phase.
    • 这里描述了当去隔行下拉视频时产生改进的视频输出的方法和系统。 改进的结果是减少交叉色度伪像。 在代表性实施例中,该方法包括首先根据执行级场相位的函数来计算来自电影源视频的当前顶场或当前底场的当前像素的调整色度。 该方法还包括第二计算垂直邻近当前像素的不存在像素的色度,其中第二计算作为执行级场相位的函数来执行。 在代表性实施例中,解交错器视频引擎和本地存储电路通过应用用于执行第一计算和第二计算的各种方程来处理3:2下拉视频。 对于每个执行阶段场相位处的每个当前像素,计算调整色度和不存在像素色度。
    • 8. 发明授权
    • Method and system for reducing composite video cross-chroma artifacts in movie material for a deinterlacer
    • 用于减少去隔行扫描电影材料中的复合视频交叉色度伪影的方法和系统
    • US08035748B2
    • 2011-10-11
    • US11485094
    • 2006-07-12
    • Richard Hayden WymanBrad A. Delanghe
    • Richard Hayden WymanBrad A. Delanghe
    • H04N11/00
    • H04N9/646H04N7/0112
    • Herein described is a method and system for generating an improved video output when deinterlacing pull-down video. The improvement results from reducing cross-chroma artifacts. In a representative embodiment, the method comprises first computing an adjusted chroma of a present pixel from a present top field or present bottom field of film sourced video as a function of an execution stage field phase. The method further comprises second computing a chroma of an absent pixel vertically adjacent to the present pixel, wherein the second computing is performed as a function of the execution stage field phase. In a representative embodiment, a deinterlacer video engine and a local storage circuitry process the 3:2 pull-down video by applying various equations for performing the first computing and the second computing. An adjusted chroma and an absent pixel chroma is computed for each present pixel at each execution stage field phase.
    • 这里描述了当去隔行下拉视频时产生改进的视频输出的方法和系统。 改进的结果是减少交叉色度伪像。 在代表性实施例中,该方法包括首先根据执行级场相位的函数来计算来自电影源视频的当前顶场或当前底场的当前像素的调整色度。 该方法还包括第二计算垂直邻近当前像素的不存在像素的色度,其中第二计算作为执行级场相位的函数来执行。 在代表性实施例中,解交错器视频引擎和本地存储电路通过应用用于执行第一计算和第二计算的各种方程来处理3:2下拉视频。 对于每个执行阶段场相位处的每个当前像素,计算调整色度和不存在像素色度。
    • 9. 发明授权
    • Detection and phase lock of 2:2 and 3:2 pull-down video
    • 2:2和3:2下拉式视频的检测和锁相
    • US07468756B2
    • 2008-12-23
    • US11018987
    • 2004-12-21
    • Richard Hayden Wyman
    • Richard Hayden Wyman
    • H04N5/253
    • H04N5/253H04N7/0112H04N7/012H04N7/0132
    • Herein described is a system and method of detecting 2:2 and/or 3:2 pull-down video. In addition, aspects of the present invention provide a system and method to identify and lock onto a field phase of a received 2:2 or 3:2 pull-down video signal. The system for detecting a field phase in 2:2 pull-down video comprises a first circuitry that computes unexpected motion values, a second circuitry that implements an alternating straight through or crossover function, a third circuitry that performs processing and generates one or more control signals, a pair of counters, and a phase selection circuitry. The method comprises computing luminance approximations of pixels associated with an output video frame, computing one or more first differences, and computing a second difference for each absent pixel of the output video frame based on one of five field phases.
    • 这里描述了一种检测2:2和/或3:2下拉式视频的系统和方法。 此外,本发明的各方面提供了一种识别和锁定接收到的2:2或3:2下拉视频信号的场相位的系统和方法。 用于检测2:2下拉视频中的场相位的系统包括计算意外运动值的第一电路,实现交替的直通或交叉功能的第二电路,执行处理并产生一个或多个控制的第三电路 信号,一对计数器和相位选择电路。 该方法包括计算与输出视频帧相关联的像素的亮度近似,计算一个或多个第一差异,以及基于五个场相位中的一个来计算输出视频帧的每个不存在像素的第二差。
    • 10. 发明授权
    • Method and system for selecting interpolation as a means of trading off judder against interpolation artifacts
    • 用于选择内插的方法和系统,作为对内插伪影进行反击的手段
    • US08749703B2
    • 2014-06-10
    • US12025520
    • 2008-02-04
    • Richard Hayden Wyman
    • Richard Hayden Wyman
    • H04N7/01
    • H04N7/0112H04N5/145H04N7/0132
    • A motion judder cancellation system may convert a source frame rate to an output frame rate. A repetition pattern within a sequence of source frames may be determined. Temporal position for output frames within a sequence may be based on a source frame position and a source frame interval fraction. An image blend mode such as motion vector interpolation may be determined for each output frame. Temporal position and/or image blend mode may be modified. Accordingly, motion judder and/or visible interpolation artifacts may be modified. Output frames may be generated based on the determined or modified image blend mode and/or the determined or modified temporal position of output frames. The output frames may be spaced temporally at even intervals or spacing. Frame rate may be increased and one or more repeated frames within a sequence of frames may be inserted. Generation of output frames may be programmed.
    • 运动抖动消除系统可以将源帧速率转换为输出帧速率。 可以确定源帧序列内的重复模式。 序列内的输出帧的时间位置可以基于源帧位置和源帧间隔分数。 可以为每个输出帧确定诸如运动矢量插值的图像混合模式。 可以修改时间位置和/或图像混合模式。 因此,可以修改运动抖动和/或可见的插值伪像。 可以基于确定的或修改的图像混合模式和/或输出帧的确定或修改的时间位置来生成输出帧。 输出帧可以以均匀间隔或间隔在时间上间隔。 可以增加帧速率,并且可以插入帧序列内的一个或多个重复帧。 输出帧的生成可以被编程。