Interframe coding system and method
    2.
    发明公开
    Interframe coding system and method 失效
    系统和Verfahren zur Zwischenbildkodierung

    公开(公告)号:EP1126723A2

    公开(公告)日:2001-08-22

    申请号:EP01107231.1

    申请日:1993-12-23

    IPC分类号: H04N7/50 H04N7/30 H04N7/36

    摘要: An interframe coding system for frame-to-frame coding of an input signal (12), having a local decoding loop which includes an encoder (4) for interframe coding the input signal, decoding means (5) for producing a decoded signal (18), and a frame memory (1) which receives the decoded signal and outputs a predicitive signal (14). The system further comprises a controller (21a) for receiving the input signal and the predictive signal from the frame memory, for calculating a difference between the input signal and the predictive signal, for calculating a characteristic of the input signal and for generating a coding control signal (25) based on the difference and the characteristic for controlling the encoder.

    摘要翻译: 一种用于输入信号(12)的帧间编码的帧间编码系统,具有包括用于对输入信号进行帧间编码的编码器(4)的局部解码循环,用于产生解码信号(18)的解码装置(5) )和帧存储器(1),其接收解码信号并输出​​预测信号(14)。 该系统还包括控制器(21a),用于从帧存储器接收输入信号和预测信号,用于计算输入信号和预测信号之间的差值,用于计算输入信号的特性并产生编码控制 信号(25)基于差异和用于控制编码器的特性。