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    • 1. 发明申请
    • Sub-band video coding architecture for packet based transmission
    • 用于基于分组的传输的子带视频编码架构
    • US20120236939A1
    • 2012-09-20
    • US13420703
    • 2012-03-15
    • Gianluca FilippiniJames F. Dougherty, IIIWilliam S. Bunch
    • Gianluca FilippiniJames F. Dougherty, IIIWilliam S. Bunch
    • H04N7/26H04N7/34
    • H04N19/59H04N19/30H04N19/61H04N19/63H04N19/70
    • Sub-band video coding architecture for packet based transmission. Video processing includes converting of a frame or picture of a video signal into a number of respective sub-bands or sub-frames (e.g., such that each respective one is a respective subsampled version of an original frame or picture) and subsequent assembly thereof into a reconstructed frame or picture. The reconstructed frame or picture then undergoes video encoding to generate an output bitstream that may subsequently undergo appropriate processing (e.g., packetization, continuous time signal generation, etc.) to generate a signal for transmission via one or more communication the links. Characteristics associated with each respective sub-band or sub-frame may be similar (e.g., similar characteristics) or different (e.g., two or more sub-bands or sub-frames have different characteristics, such as different respective number of pixels, aspect ratios, etc.). Respective sub-frames may undergo video encoding and transmission.
    • 用于基于分组的传输的子带视频编码架构。 视频处理包括将视频信号的帧或图像转换成多个相应子带或子帧(例如,使得每个相应的一个是原始帧或图像的相应子采样版本),并将其后续组合成 重建帧或图片。 然后,经重构的帧或图像经历视频编码以产生可以随后经历适当处理(例如,分组化,连续时间信号生成等)的输出比特流,以生成用于经由一个或多个通信链路传输的信号。 与每个相应的子带或子帧相关联的特征可以是相似的(例如,类似的特征)或不同的(例如,两个或多个子带或子帧具有不同的特征,诸如不同的相应数量的像素,宽高比 等)。 各个子帧可以进行视频编码和传输。
    • 2. 发明授权
    • Sub-band video coding architecture for packet based transmission
    • 用于基于分组的传输的子带视频编码架构
    • US09071848B2
    • 2015-06-30
    • US13420703
    • 2012-03-15
    • Gianluca FilippiniJames F. Dougherty, IIIWilliam S. Bunch
    • Gianluca FilippiniJames F. Dougherty, IIIWilliam S. Bunch
    • H04N7/12H04N19/59H04N19/70H04N19/30H04N19/63H04N19/61
    • H04N19/59H04N19/30H04N19/61H04N19/63H04N19/70
    • Sub-band video coding architecture for packet based transmission. Video processing includes converting of a frame or picture of a video signal into a number of respective sub-bands or sub-frames (e.g., such that each respective one is a respective subsampled version of an original frame or picture) and subsequent assembly thereof into a reconstructed frame or picture. The reconstructed frame or picture then undergoes video encoding to generate an output bitstream that may subsequently undergo appropriate processing (e.g., packetization, continuous time signal generation, etc.) to generate a signal for transmission via one or more communication the links. Characteristics associated with each respective sub-band or sub-frame may be similar (e.g., similar characteristics) or different (e.g., two or more sub-bands or sub-frames have different characteristics, such as different respective number of pixels, aspect ratios, etc.). Respective sub-frames may undergo video encoding and transmission.
    • 用于基于分组的传输的子带视频编码架构。 视频处理包括将视频信号的帧或图像转换成多个相应子带或子帧(例如,使得每个相应的一个是原始帧或图像的相应子采样版本),并将其后续组合成 重建帧或图片。 然后,经重构的帧或图像经历视频编码以产生可以随后经历适当处理(例如,分组化,连续时间信号生成等)的输出比特流,以生成用于经由一个或多个通信链路传输的信号。 与每个相应的子带或子帧相关联的特征可以是相似的(例如,类似的特征)或不同的(例如,两个或多个子带或子帧具有不同的特征,诸如不同的相应数量的像素,宽高比 等)。 各个子帧可以进行视频编码和传输。
    • 9. 发明申请
    • Method and system for coding moving image signals, corresponding computer program product
    • 用于编码运动图像信号的方法和系统,相应的计算机程序产品
    • US20060291567A1
    • 2006-12-28
    • US11448586
    • 2006-06-06
    • Gianluca FilippiniBruno BiffiFabrizio RovatiEmiliano Piccinelli
    • Gianluca FilippiniBruno BiffiFabrizio RovatiEmiliano Piccinelli
    • H04N11/04H04N7/12H04B1/66H04N11/02
    • H04N19/61H04N19/51
    • A moving-image signal, such as typically a luminance signal organized in blocks of pixels is coded via a technique that envisages the steps of: comparing a block to be coded with a plurality of candidate prediction blocks; determining, for each candidate prediction block, a respective value of an index representing the difference between the block to be coded and each candidate prediction block; and choosing between the candidate prediction blocks, as a function of the respective value of the aforesaid index, a prediction block to be used for coding of the block to be coded. The signal is sampled pixel by pixel on the block to be coded and on the plurality of candidate prediction blocks, thus generating respective surfaces representing the pattern of the signal in the block to be coded and in the candidate prediction blocks. Chosen as an index is an index of the parallelism between the aforesaid respective surfaces.
    • 运动图像信号,例如典型地以像素块形式组织的亮度信号,通过设想以下步骤的技术进行编码:将待编码的块与多个候选预测块进行比较; 对于每个候选预测块,确定表示要编码的块与每个候选预测块之间的差的索引的相应值; 以及根据上述索引的相应值,在候选预测块之间选择要用于编码要编码的块的预测块。 信号在要编码的块上逐像素地被采样,并且在多个候选预测块上进行采样,从而生成表示要编码的块中的信号的模式的表面和候选预测块中的各个表面。 作为指标的选择是上述各个表面之间的平行度的指标。