Open AccessTHE MEAN SQUARE ERROR OF THE MULTIPLICATIVE MODEL FOR SPECKLE NOISE
Author(s) -
Qin Ke-Cheng
Publication year - 1983
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.32.267
Subject(s) - multiplicative noise , multiplicative function , speckle pattern , mean squared error , speckle noise , mean square , square (algebra) , noise (video) , computer science , statistical physics , mathematics , optics , physics , mathematical analysis , statistics , geometry , artificial intelligence , image (mathematics) , telecommunications , signal transfer function , transmission (telecommunications) , analog signal
The mean square error of the multiplicative model for speckle noise in coherent imaging is derived. Then we obtain the condition under which the multiplicative model is valid, that is: the model holds only when the details of the object can be completely resolved by the imaging system.