电子科发女学光电科学与工程学院 SCHOOL OF OPTOELECTRONIC SCIENCE AND ENGINEERING OF UESTC 8,1 Fundamentals ■Ifb=b'C=1andR=0 no redundancy ■Ifb>b'C→and R→1 high redundancy ■Ifb<b'C→0andR→-oo> undesirable In Image compression,3 basic redundancy can be identified 。Coding redundancy Spatial and Temporal Redundancy Irrelevant Information If b = b’ , C = 1 and R = 0 no redundancy  If b >> b’ , C and R high redundancy  If b << b’ , C and R undesirable  In Image compression , 3 basic redundancy can be identified  Coding Redundancy  Spatial and Temporal Redundancy  Irrelevant Information   1  0   8.1 Fundamentals