Adaptive Image Fusion Algorithm of SAR/CCD Images Based on Wavelet Transform

Author

Wang, Guangfang ; Zhao, Long ; Chen, Zhe

Author_Institution

Sch. of Autom. Sci. & Electr. Eng., Beijing Univ. of Aeronaut. & Astronaut.

Volume

2

fYear

0

fDate

0-0 0

Firstpage

9694

Lastpage

9698

Abstract

An adaptive image fusion algorithm of SAR/CCD images based on wavelet transform is proposed. In this algorithm an adaptive operator is defined, which is gotten from the two source images´ cross-entropy. The operator is used to adjust coefficients of the low-frequency and high-frequency images´ fusion, so as to achieve the purpose of adaptability. For the decomposed low-frequency and high-frequency, local spatial frequency and local variance are taken as measures respectively, which unify the adaptive operator to obtain the fused low-frequency and high-frequency. Experimental simulation is carried out to get the fuse effect by contrast with other three types of fusions algorithm. The results show that this algorithm has the stable fuse effect and strong adaptability

Keywords

CCD image sensors; image representation; mathematical operators; radar imaging; sensor fusion; synthetic aperture radar; wavelet transforms; CCD images; SAR images; adaptive image fusion; adaptive operator; local spatial frequency; local variance; source image cross-entropy; wavelet transform; Adaptive control; Automation; Charge coupled devices; Extraterrestrial measurements; Frequency measurement; Fuses; Image fusion; Programmable control; Radio frequency; Wavelet transforms; Adaptive operator; CCD; Image fusion; SAR; Wavelet transform;

fLanguage

English

Publisher

ieee

Conference_Titel

Intelligent Control and Automation, 2006. WCICA 2006. The Sixth World Congress on

Conference_Location

Dalian

Print_ISBN

1-4244-0332-4

Type

conf

DOI

10.1109/WCICA.2006.1713885

Filename

1713885