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    • 1. 发明授权
    • Video decoder with deblocker within decoding loop
    • 视频解码器与解码器在解码循环中
    • US07613351B2
    • 2009-11-03
    • US10963677
    • 2004-10-13
    • Timothy Hellman
    • Timothy Hellman
    • G06K9/36
    • H04N19/44H04N19/61
    • Methods and systems for processing an encoded video stream are disclosed. Aspects of the method may comprise generating a plurality of temporal or spatial prediction pixels based on mode information within the encoded video stream. A plurality of prediction errors may be generated from a plurality of quantized frequency coefficients generated from the encoded video stream. At least one current macroblock may be generated using the generated plurality of temporal or spatial prediction pixels based on the generated plurality of prediction errors. The encoded video stream may be symbol interpreted using context adaptive variable length coding and/or context adaptive binary arithmetic coding. The encoded video stream may be buffered prior to the symbol interpretation. The plurality of quantized frequency coefficients may be generated from the encoded video stream. If the encoded video stream comprises temporal prediction mode information, the plurality of temporal prediction pixels may be generated.
    • 公开了用于处理编码视频流的方法和系统。 该方法的方面可以包括基于编码视频流内的模式信息生成多个时间或空间预测像素。 可以从从编码视频流生成的多个量化频率系数中生成多个预测误差。 可以使用所生成的多个时间或空间预测像素基于所生成的多个预测误差来生成至少一个当前宏块。 编码视频流可以使用上下文自适应可变长度编码和/或上下文自适应二进制算术编码进行符号解释。 编码视频流可以在符号解释之前进行缓冲。 可以从编码视频流生成多个量化频率系数。 如果编码视频流包括时间预测模式信息,则可以生成多个时间预测像素。
    • 2. 发明申请
    • System and method for choosing tables in CAVLC
    • 用于在CAVLC中选择表的系统和方法
    • US20050259742A1
    • 2005-11-24
    • US10985110
    • 2004-11-10
    • Timothy Hellman
    • Timothy Hellman
    • H04N7/12H04N7/26
    • H04N19/44H04N19/91
    • A system and method that process encoded data, wherein the encoded data is an encoded video stream. The encoded data may be decoded to intermediate decoded data using an appropriate lookup table. The intermediate decoded data may then be used to determine characteristics of the encoded data, which may be used to obtain completely decoded data. The characteristics of the encoded data may then be used to determine the appropriate decoding information for a next piece of encoded data. Determining the characteristics of the encoded data may be performed simultaneously with obtaining completely decoded data.
    • 一种处理编码数据的系统和方法,其中编码数据是编码视频流。 可以使用适当的查找表将编码数据解码为中间解码数据。 然后可以使用中间解码数据来确定编码数据的特性,其可用于获得完全解码的数据。 然后可以使用编码数据的特性来确定下一段编码数据的适当解码信息。 可以在获得完全解码的数据的同时执行确定编码数据的特性。
    • 3. 发明申请
    • METHOD AND SYSTEM FOR KEY AWARE SCALING
    • 关键知识点的方法与系统
    • US20120044420A1
    • 2012-02-23
    • US12858068
    • 2010-08-17
    • Christopher PaysonTimothy HellmanAshish Koul
    • Christopher PaysonTimothy HellmanAshish Koul
    • H04N5/222
    • H04N5/45H04N5/265H04N21/4316H04N21/44
    • A video processing device may process video input comprising a plurality of streams, wherein images corresponding to at least some of the plurality of streams may be displayed concurrently. The video processing device may determine, prior to processing of a pixel in one of the plurality of streams whether the pixel comprises one or more keyed video parameters; and if the pixel comprises at least one keyed parameter, one or more other pixels may be selected, and a video parameter corresponding to the at least one keyed video parameter of the pixel may be generated based on the selected one or more other pixels. The generated video parameter may then be utilized instead of the at least one keyed video parameter during the processing of the pixel. This may comprise luma and/or chroma based scaling. Outputs of the processing of the pixel may be post-processed, by clamping at least one of the video parameters.
    • 视频处理设备可以处理包括多个流的视频输入,其中可以同时显示对应于多个流中的至少一些的图像。 在处理多个流中的一个流中的像素是否包括一个或多个键控的视频参数之前,视频处理设备可以确定: 并且如果像素包括至少一个键控参数,则可以选择一个或多个其他像素,并且可以基于所选择的一个或多个其他像素来生成与像素的至少一个键控视频参数对应的视频参数。 然后可以在像素的处理期间代替所生成的视频参数而不是至少一个带键的视频参数。 这可以包括亮度和/或基于色度的缩放。 可以通过钳位视频参数中的至少一个来对像素的处理的输出进行后处理。
    • 4. 发明申请
    • Context adaptive variable length code decoder for decoding macroblock adaptive field/frame coded video data
    • 用于解码宏块自适应场/帧编码视频数据的上下文自适应可变长度码解码器
    • US20050259741A1
    • 2005-11-24
    • US10885177
    • 2004-07-06
    • Timothy Hellman
    • Timothy Hellman
    • H04N7/12H04N7/26
    • H04N19/16H04N19/13H04N19/176
    • Described herein is a context adaptive variable length code decoder for decoding macroblock adaptive field/frame coded video data. In one embodiment, there is presented a context adaptive variable length code decoder. The context adaptive variable length code decoder comprises a symbol decoder, and a left neighbor buffer. The symbol decoder decodes context adaptive variable length code symbols representing frequency coefficients associated with a partition of a macroblock. The left neighbor buffer stores information about another partition, the another partition being a left neighbor of the partition. The information about the another partition is overwritten by information about the partition.
    • 这里描述了用于解码宏块自适应场/帧编码视频数据的上下文自适应可变长度码解码器。 在一个实施例中,呈现了上下文自适应可变长度码解码器。 上下文自适应可变长度码解码器包括符号解码器和左邻居缓冲器。 符号解码器解码表示与宏块的分区相关联的频率系数的上下文自适应可变长度码符号。 左邻居缓冲区存储有关另一个分区的信息,另一个分区是该分区的左邻居。 关于另一个分区的信息被有关分区的信息覆盖。
    • 6. 发明授权
    • Context adaptive variable length code decoder for decoding macroblock adaptive field/frame coded video data
    • 用于解码宏块自适应场/帧编码视频数据的上下文自适应可变长度码解码器
    • US07843997B2
    • 2010-11-30
    • US10885177
    • 2004-07-06
    • Timothy Hellman
    • Timothy Hellman
    • H04N7/12
    • H04N19/16H04N19/13H04N19/176
    • Described herein is a context adaptive variable length code decoder for decoding macroblock adaptive field/frame coded video data. In one embodiment, there is presented a context adaptive variable length code decoder. The context adaptive variable length code decoder comprises a symbol decoder, and a left neighbor buffer. The symbol decoder decodes context adaptive variable length code symbols representing frequency coefficients associated with a partition of a macroblock. The left neighbor buffer stores information about another partition, the another partition being a left neighbor of the partition. The information about the another partition is overwritten by information about the partition.
    • 这里描述了用于解码宏块自适应场/帧编码视频数据的上下文自适应可变长度码解码器。 在一个实施例中,呈现了上下文自适应可变长度码解码器。 上下文自适应可变长度码解码器包括符号解码器和左邻居缓冲器。 符号解码器解码表示与宏块的分区相关联的频率系数的上下文自适应可变长度码符号。 左邻居缓冲区存储有关另一个分区的信息,另一个分区是该分区的左邻居。 关于另一个分区的信息被有关分区的信息覆盖。
    • 7. 发明授权
    • Video deblocking method and apparatus
    • 视频去块方法和装置
    • US07680351B2
    • 2010-03-16
    • US10965172
    • 2004-10-13
    • Timothy Hellman
    • Timothy Hellman
    • G06K9/40
    • H04N19/117H04N19/136H04N19/16H04N19/86
    • Methods and systems for processing pixels within a current macroblock are disclosed. Aspects of the method may comprise acquiring a plurality of pixels that are adjacent to the left of a plurality of selected pixels within the current macroblock. A portion of the plurality of selected pixels within the current macroblock may be filtered along a vertical edge utilizing a portion of the acquired plurality of pixels that are adjacent to the left of the plurality of selected pixels. The at least a portion of said filtered plurality of selected pixels within the current macroblock may be rotated. The current macroblock may be filtered along a horizontal edge, utilizing at least a portion of the rotated plurality of selected pixels.
    • 公开了用于处理当前宏块内的像素的方法和系统。 该方法的方面可以包括获取与当前宏块内的多个选定像素的左边相邻的多个像素。 利用与所选择的多个像素的左边相邻的所获取的多个像素的一部分,可以沿垂直边缘对当前宏块内的多个选定像素的一部分进行滤波。 可以旋转当前宏块内的所述滤波后的多个选定像素的至少一部分。 利用所旋转的多个选定像素的至少一部分,可以沿水平边缘对当前宏块进行滤波。
    • 10. 发明授权
    • Method and system for key aware scaling
    • 密钥感知扩展的方法和系统
    • US08294822B2
    • 2012-10-23
    • US12858068
    • 2010-08-17
    • Christopher PaysonTimothy HellmanAshish Koul
    • Christopher PaysonTimothy HellmanAshish Koul
    • H04N5/14H04N9/74
    • H04N5/45H04N5/265H04N21/4316H04N21/44
    • A video processing device may process video input comprising a plurality of streams, wherein images corresponding to at least some of the plurality of streams may be displayed concurrently. The video processing device may determine, prior to processing of a pixel in one of the plurality of streams whether the pixel comprises one or more keyed video parameters; and if the pixel comprises at least one keyed parameter, one or more other pixels may be selected, and a video parameter corresponding to the at least one keyed video parameter of the pixel may be generated based on the selected one or more other pixels. The generated video parameter may then be utilized instead of the at least one keyed video parameter during the processing of the pixel. This may comprise luma and/or chroma based scaling. Outputs of the processing of the pixel may be post-processed, by clamping at least one of the video parameters.
    • 视频处理设备可以处理包括多个流的视频输入,其中可以同时显示对应于多个流中的至少一些的图像。 在处理多个流中的一个流中的像素是否包括一个或多个键控的视频参数之前,视频处理设备可以确定: 并且如果像素包括至少一个键控参数,则可以选择一个或多个其他像素,并且可以基于所选择的一个或多个其他像素来生成与像素的至少一个键控视频参数对应的视频参数。 然后可以在像素的处理期间代替所生成的视频参数而不是至少一个带键的视频参数。 这可以包括亮度和/或基于色度的缩放。 可以通过钳位视频参数中的至少一个来对像素的处理的输出进行后处理。