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Guided filter-based fusion method for multiexposure images
Hou XL(侯幸林); Luo HB(罗海波); Qi F(祁峰); Zhou PP(周培培)
作者部门光电信息技术研究室
关键词High-dynamic Range Imaging Image Fusion Guided Filter Multiexposure
发表期刊Optical Engineering
ISSN0091-3286
2016
卷号55期号:11页码:1-12
收录类别SCI ; EI
EI收录号20164703034047
WOS记录号WOS:000390668700022
产权排序1
摘要It is challenging to capture a high-dynamic range (HDR) scene using a low-dynamic range camera. A weighted sum-based image fusion (IF) algorithm is proposed so as to express an HDR scene with a high-quality image. This method mainly includes three parts. First, two image features, i.e., gradients and well-exposedness are measured to estimate the initial weight maps. Second, the initial weight maps are refined by a guided filter, in which the source image is considered as the guidance image. This process could reduce the noise in initial weight maps and preserve more texture consistent with the original images. Finally, the fused image is constructed by a weighted sum of source images in the spatial domain. The main contributions of this method are the estimation of the initial weight maps and the appropriate use of the guided filter-based weight maps refinement. It provides accurate weight maps for IF. Compared to traditional IF methods, this algorithm avoids image segmentation, combination, and the camera response curve calibration. Furthermore, experimental results demonstrate the superiority of the proposed method in both subjective and objective evaluations.
语种英语
WOS标题词Science & Technology ; Physical Sciences
WOS类目Optics
WOS研究方向Optics
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文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/19414
专题光电信息技术研究室
通讯作者Luo HB(罗海波)
作者单位1.Chinese Academy of Sciences, Shenyang Institute of Automation, No. 114 Nanta Street, Shenhe District, Shenyang 110016, China
2.Chinese Academy of Sciences, Key Laboratory of Opto-Electronic Information Processing, No. 114 Nanta Street, Shenhe District, Shenyang 110016, China
3.University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China
推荐引用方式
GB/T 7714
Hou XL,Luo HB,Qi F,et al. Guided filter-based fusion method for multiexposure images[J]. Optical Engineering,2016,55(11):1-12.
APA Hou XL,Luo HB,Qi F,&Zhou PP.(2016).Guided filter-based fusion method for multiexposure images.Optical Engineering,55(11),1-12.
MLA Hou XL,et al."Guided filter-based fusion method for multiexposure images".Optical Engineering 55.11(2016):1-12.
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