Image coding and decoding method having flexible format for low bit-rate transmission systems.,申请号EP19950400553-传众专利搜索

Image coding and decoding method having flexible format for low bit-rate transmission systems.

申请公布号：EP0674439(A1)

申请号：EP19950400553

申请日期：1995.03.14

申请公布日期：1995.09.27

申请人：

THOMSON MULTIMEDIA

发明人：KERDRANVAT, MICHEL;MORAILLON, JEAN-YVES

分类号：H04N7/26;G06T9/00;H04N7/01;H04N7/14;H04N7/15;H04N7/50

主分类号：H04N7/26

摘要：The method involves presenting images in at least two different formats. An image format can contain all the other formats. The images are coded in reference to a pixel block addressing scheme. At least two apparatus each possess a function for transmission and reception. Information on image formats can be displayed with the simplest format retained as a common coding format. The transmitter codes only blocks which the receiver can effectively display. Communication between the transmitter and receiver is via a modem and the simplest image format is used when the modems reply. Image formats which contain other formats have horizontal and vertical dimensions greater than or equal to the dimensions corresponding to the other formats.