A multi-exposure image fusion method based on wavelet packet transform

Qi Wang; Zongxi Song; Wei Gao

doi:10.1117/12.2031837

11 September 2013 A multi-exposure image fusion method based on wavelet packet transform

Qi Wang, Zongxi Song, Wei Gao

Proceedings Volume 8907, International Symposium on Photoelectronic Detection and Imaging 2013: Infrared Imaging and Applications; 89070X (2013) https://doi.org/10.1117/12.2031837
Event: ISPDI 2013 - Fifth International Symposium on Photoelectronic Detection and Imaging, 2013, Beijing, China

Abstract

This paper presents a method for multi-exposure images fusion based on wavelet packet transform, combining the local energy distributions of multi-exposure images with the edge detection. After decomposing two images involved in fusion into sub images in low-frequency and high-frequency with wavelet packet transform, we use different methods for low-frequency and high-frequency to obtain fusion coefficients. In low frequency processing, the method that threshold value is set for local energy is used while the edge detection method is used in high frequency, where the edge detection operator help compute the information quantity of different high frequency images. Then the coefficients for fusion are selected according to different strategies adopted for low- and high-frequency. Finally, the fusion image is reconstructed through inverse wavelet packet transform. The result shows that the fusion method is effective and the fusion image can preserve the details of the each input image successfully.

Citation Download Citation

Qi Wang, Zongxi Song, and Wei Gao "A multi-exposure image fusion method based on wavelet packet transform", Proc. SPIE 8907, International Symposium on Photoelectronic Detection and Imaging 2013: Infrared Imaging and Applications, 89070X (11 September 2013); https://doi.org/10.1117/12.2031837

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