System and method for providing video content and concealment dependent error protection and scheduling algorithms
    1.
    发明申请
    System and method for providing video content and concealment dependent error protection and scheduling algorithms 审中-公开
    用于提供视频内容和隐藏依赖的错误保护和调度算法的系统和方法

    公开(公告)号:US20070053445A1

    公开(公告)日:2007-03-08

    申请号:US10573081

    申请日:2004-09-21

    IPC分类号: H04B1/66 H04L1/00

    摘要: A system and method is provided for adaptively changing as error protection strategy for a digital video transmission depending upon the characteristics of a transmission channel (120). A video classification processor (210) located in a video encoder (114) analyzes a video sequence and (1) determines priority classes for video data packets based on objective criteria, and (2) determines sequence dependent features of the video sequence, and (3) classifies the video data packets in sub-priorities based on the sequence dependent features of the video sequence. The system can also re-classify video data packet priorities based on objective criteria using either the sequence dependent features of the video sequence or an error concealment algorithm.

    摘要翻译: 提供一种系统和方法,用于根据传输信道(120)的特性自适应地改变为用于数字视频传输的错误保护策略。 位于视频编码器(114)中的视频分类处理器(210)分析视频序列,(1)基于客观标准确定视频数据分组的优先等级,以及(2)确定视频序列的序列相关特征, 3)基于视频序列的依赖于相关特征的子优先级对视频数据分组进行分类。 该系统还可以使用视频序列的序列相关特征或错误隐藏算法,基于客观标准来重新分类视频数据分组优先级。

    Joint spatial-temporal-orientation-scale prediction and coding of motion vectors for rate-distortion-complexity optimized video coding
    2.
    发明申请
    Joint spatial-temporal-orientation-scale prediction and coding of motion vectors for rate-distortion-complexity optimized video coding 审中-公开
    用于速率 - 失真 - 复杂度优化视频编码的运动矢量的联合空间 - 时间取向尺度预测和编码

    公开(公告)号:US20060294113A1

    公开(公告)日:2006-12-28

    申请号:US10569254

    申请日:2004-08-17

    IPC分类号: G06F7/00

    摘要: Several prediction and coding schemes are combined to optimize performance in terms of the rate-distortion-complexity tradeoffs. Certain schemes for temporal prediction and coding of Motion Vectors (MVs) are combined with a new coding paradigm of over complete wavelet video coding. Two prediction and coding schemes are set forth herein. A first prediction and coding scheme employs prediction across spatial scales. A second prediction and coding scheme employs a motion vector prediction and coding across different orientation sub-bands. A video coding scheme utilizes joint prediction and coding to optimize the rate, distortion and the complexity simultaneously.

    摘要翻译: 组合了几种预测和编码方案,以便在速率 - 失真 - 复杂度权衡方面优化性能。 用于运动向量(MV)的时间预测和编码的某些方案与完整的小波视频编码的新的编码范例相结合。 本文阐述了两种预测和编码方案。 第一预测和编码方案采用跨越空间尺度的预测。 第二预测和编码方案采用横跨不同取向子带的运动矢量预测和编码。 视频编码方案利用联合预测和编码来同时优化速率,失真和复杂度。