지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
Among the various image fusion or pan-sharpening methods, those wavelet-based methods provide superior radiometric quality. However, the fusion processing is not only simple but also flexible, since many low- and high-frequency sub-bands are often produced in the wavelet domain. To address this issue, a novel DT-CWT (Dual-Tree Complex Wavelet Transform) proportional to the fusion method by a WZP (Wavelet Zero-Padding) is proposed. The proposed method produces a single high-frequency image in the spatial domain that is injected into the LRM (Low-Resolution Multispectral) image. Thus, a wavelet domain fusion can be simplified to spatial domain fusion. In addition, in the proposed DT-CWTP (DT-CWT Proportional) fusion method, it is unnecessary to decompose the LRM image by adopting WZP. The comparison indicates that the proposed fusion method is nearly five times faster than the DT-CWT with SW (Substitute-Wavelet) fusion method, meanwhile simultaneously maintaining the radiometric quality. The conducted experiments with WorldView-2 satellite images demonstrated promising results with the computation efficiency and fused image quality.
목차
Abstract
1. Introduction
2. DT-CWT and Image Fusion
3. Proposed DT-CWTP Fusion Method
4. Results and Discussion
5. Conclusions
References
참고문헌 (22)
참고문헌 신청
[학술지(정기간행물)] - Aiazzi, B. / 2009 / A comparison between global and context-adaptive pansharpening of multispectral images / IEEE Geoscience and Remote Sensing Letters 6 (2) : 302 ~ 306
[학술지(정기간행물)] - Alparone, L. / 2008 / Mutltispectral and panchromatic data fusion assessment without reference / Photogrammetric Engineering and Remote Sensing 74 (2) : 193 ~ 200
[학술지(정기간행물)] - Amolins, K. / 2007 / Wavelet based image fusion techniques-an introduction, review and comparison / ISPRS Journal of Photogrammetry and Remote Sensing 62 (4) : 249 ~ 263
[학술지(정기간행물)] - Celik, T. / 2010 / Image resolution enhancement using dual-tree complex wavelet transform / IEEE Geoscience and Remote Sensing Letters 7 (1) : 123 ~ 126
[단행본] - Chen, C.H. / 2012 / Signal and Image Processing for Remote Sensing / CRC Press
[학술지(정기간행물)] - Alparone, L. / 2008 / Mutltispectral and panchromatic data fusion assessment without reference / Photogrammetric Engineering and Remote Sensing 74 (2) : 193 ~ 200
[학술지(정기간행물)] - Amolins, K. / 2007 / Wavelet based image fusion techniques-an introduction, review and comparison / ISPRS Journal of Photogrammetry and Remote Sensing 62 (4) : 249 ~ 263
[학술지(정기간행물)] - Celik, T. / 2010 / Image resolution enhancement using dual-tree complex wavelet transform / IEEE Geoscience and Remote Sensing Letters 7 (1) : 123 ~ 126
[단행본] - Chen, C.H. / 2012 / Signal and Image Processing for Remote Sensing / CRC Press
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UCI(KEPA) : I410-ECN-0101-2016-533-002232341