Title :
An efficient enhancement technique of X-ray carry-on luggage images
Author :
Han, Ping ; He, Xiu-Ping ; Jiang, Si-yuan ; Wu, Ren-biao
Author_Institution :
Tianjin Key Lab. for Adv. Signal Process., Civil Aviation Univ. of China, Tianjin
Abstract :
An efficient approach of enhancing dual-energy X-ray carry-on luggage images based on discrete wavelet transform (DWT) and improved sine gray level transform is proposed in this paper. During the course of DWT, wavelet coefficients are filtered, averaged and weighted to fuse and enhance the dual-energy X-ray images. Then sine gray level transform is improved and performed to extend the interesting regions and make details more clarity. Experimental results show that the new method can improve the image definition efficiently.
Keywords :
X-ray detection; discrete wavelet transforms; image enhancement; inspection; discrete wavelet transform; dual-energy X-ray carry-on luggage images; image definition; sine gray level transform; Airports; Band pass filters; Discrete transforms; Discrete wavelet transforms; Frequency domain analysis; Gray-scale; Image enhancement; Optical filters; Optical noise; X-ray imaging;
Conference_Titel :
Signal Processing, 2008. ICSP 2008. 9th International Conference on
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-2178-7
Electronic_ISBN :
978-1-4244-2179-4
DOI :
10.1109/ICOSP.2008.4697338
