Title :
Space-scale-frequency representation and fixed chosen noise restoration (image)
Author_Institution :
CNES, Toulouse, France
Abstract :
We propose an image restoration with fixed chosen noise. We tune the threshold of wavelet packets coefficients in homogeneous areas by taking into account the noise signal dependance and the modulation transfer function of the optic instrument
Keywords :
CCD image sensors; frequency-domain analysis; image representation; image restoration; modulation; noise; optical transfer function; wavelet transforms; CCD matrix; fixed chosen noise restoration; homogeneous areas; image restoration; modulation transfer function; noise signal dependance; optic instrument; optical imager; space-scale-frequency representation; threshold; wavelet packets coefficients; Degradation; Frequency; Image restoration; Instruments; Optical devices; Optical modulation; Optical noise; Optical sensors; Signal restoration; Wavelet packets;
Conference_Titel :
Time-Frequency and Time-Scale Analysis, 1994., Proceedings of the IEEE-SP International Symposium on
Conference_Location :
Philadelphia, PA
Print_ISBN :
0-7803-2127-8
DOI :
10.1109/TFSA.1994.467233
