公开(公告)号：US5150209A

公开(公告)日：1992-09-22

申请号：US698396

申请日：1991-05-10

申请人： Richard L. Baker ,  Jeffrey Bernstein ,  Bernd Girod ,  Xiancheng Yuan ,  Edmund Thompson

发明人： Richard L. Baker ,  Jeffrey Bernstein ,  Bernd Girod ,  Xiancheng Yuan ,  Edmund Thompson

IPC分类号： G06T9/00 ,  H04N7/26 ,  H04N7/28 ,  H04N7/46

CPC分类号： G06T9/008 ,  H04N19/00 ,  H04N19/186 ,  H04N19/577 ,  H04N19/61 ,  H04N19/63 ,  H04N19/94

摘要： A method and apparatus for encoding interframe error data in an image transmission system, and in particular in a motion compensated image transmission system for transmitting a sequence of image frames from a transmitter to a receiver, employ hierarchical entropy coded lattice threshold quantization to increase the data compression of the images being transmitted. The method and apparatus decimate an interframe predicted image data and an uncoded current image data, and apply hierarchical entropy coded lattice threshold quantization encoding to the resulting pyramid data structures. Lossy coding is applied on a level-by-level basis for generating the encoded data representation of the image difference between the predicted image data and the uncoded original image. The method and apparatus are applicable to systems transmitting a sequence of image frames (or other pattern data, such as speech) both with and without motion compensation.

摘要翻译： 一种用于对图像传输系统中的帧间错误数据进行编码的方法和装置，特别是在用于从发射机到接收机发送图像帧序列的运动补偿图像传输系统中，采用层次熵编码的格子阈值量化来增加数据 正在传输的图像的压缩。 所述方法和装置对帧间预测图像数据和未编码的当前图像数据进行抽取，并对所得到的金字塔数据结构应用分层熵编码的晶格阈值量化编码。 在逐级的基础上应用有损编码，用于生成预测图像数据和未经编码的原始图像之间的图像差的编码数据表示。 该方法和装置适用于传送具有和不具有运动补偿的图像帧序列（或诸如语音的其它图案数据）的系统。

公开(公告)号：US08064527B2

公开(公告)日：2011-11-22

申请号：US11208153

申请日：2005-08-19

申请人： Yipeng Liu ,  Edmund Thompson

发明人： Yipeng Liu ,  Edmund Thompson

IPC分类号： H04N7/12 ,  H04N11/02 ,  H04N11/04

CPC分类号： H04N7/152 ,  H04N19/107 ,  H04N19/176 ,  H04N19/68 ,  H04N19/70 ,  H04N19/89 ,  H04N19/895

摘要： The error concealment technique disclosed herein relates to the use of existing information by the decoder to conceal bitstream errors regardless of what the encoder does. Examples of existing information include, for example, the previous reference frame, macroblock information for the previous reference frames, etc. Another aspect of the system described herein relates to the steps that the encoder can take to enhance the decoder's ability to recover gracefully from a transmission error. Exemplary steps that can be taken by the encoder include intra walk around and sending GOB headers. Although these encoder techniques can provide greatly enhanced results, they are not strictly necessary to the system described herein.

摘要翻译： 这里公开的错误隐藏技术涉及使用解码器的现有信息来隐藏比特流错误，而不管编码器是什么。 现有信息的示例包括例如先前的参考帧，用于先前参考帧的宏块信息等。本文描述的系统的另一方面涉及编码器可采取的步骤，以增强解码器从平滑地从 传输错误。 可以由编码器采取的示例性步骤包括在步行周围并发送GOB头部。 尽管这些编码器技术可以提供大大增强的结果，但是它们对于本文描述的系统并不是严格必需的。

公开(公告)号：US20120033739A1

公开(公告)日：2012-02-09

申请号：US13275944

申请日：2011-10-18

申请人： Yipeng Liu ,  Edmund Thompson

发明人： Yipeng Liu ,  Edmund Thompson

IPC分类号： H04N7/26

CPC分类号： H04N7/152 ,  H04N19/107 ,  H04N19/176 ,  H04N19/68 ,  H04N19/70 ,  H04N19/89 ,  H04N19/895

摘要： The error concealment technique disclosed herein relates to the use of existing information by the decoder to conceal bitstream errors regardless of what the encoder does. Examples of existing information include, for example, the previous reference frame, macroblock information for the previous reference frames, etc. Another aspect of the system described herein relates to the steps that the encoder can take to enhance the decoder's ability to recover gracefully from a transmission error. Exemplary steps that can be taken by the encoder include intra walk around and sending GOB headers. Although these encoder techniques can provide greatly enhanced results, they are not strictly necessary to the system described herein.

摘要翻译： 这里公开的错误隐藏技术涉及使用解码器的现有信息来隐藏比特流错误，而不管编码器是什么。 现有信息的示例包括例如先前的参考帧，用于先前参考帧的宏块信息等。本文描述的系统的另一方面涉及编码器可采取的步骤，以增强解码器从平滑地从 传输错误。 可以由编码器采取的示例性步骤包括在步行周围并发送GOB头部。 尽管这些编码器技术可以提供大大增强的结果，但是它们对于本文描述的系统并不是严格必需的。

公开(公告)号：US20060039475A1

公开(公告)日：2006-02-23

申请号：US11208153

申请日：2005-08-19

申请人： Yipeng Liu ,  Edmund Thompson

发明人： Yipeng Liu ,  Edmund Thompson

IPC分类号： H04N11/02 ,  H04N7/12 ,  H04N11/04 ,  H04B1/66

CPC分类号： H04N7/152 ,  H04N19/107 ,  H04N19/176 ,  H04N19/68 ,  H04N19/70 ,  H04N19/89 ,  H04N19/895

摘要： The error concealment technique disclosed herein relates to the use of existing information by the decoder to conceal bitstream errors regardless of what the encoder does. Examples of existing information include, for example, the previous reference frame, macroblock information for the previous reference frames, etc. Another aspect of the system described herein relates to the steps that the encoder can take to enhance the decoder's ability to recover gracefully from a transmission error. Exemplary steps that can be taken by the encoder include intra walk around and sending GOB headers. Although these encoder techniques can provide greatly enhanced results, they are not strictly necessary to the system described herein.

摘要翻译： 这里公开的错误隐藏技术涉及使用解码器的现有信息来隐藏比特流错误，而不管编码器是什么。 现有信息的示例包括例如先前的参考帧，用于先前参考帧的宏块信息等。本文描述的系统的另一方面涉及编码器可采取的步骤，以增强解码器从平滑地从 传输错误。 可以由编码器采取的示例性步骤包括在步行周围并发送GOB头部。 尽管这些编码器技术可以提供大大增强的结果，但是它们对于本文描述的系统并不是严格必需的。