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题名: An improved infrared image enhancement algorithm based on multi-scale decomposition
作者: Zhang HH(张红辉) ; Luo HB(罗海波) ; Yu XR(余新荣) ; Ding QH(丁庆海)
作者部门: 光电信息技术研究室
会议名称: International Symposium on Optoelectronic Technology and Application 2014
会议日期: May 13-15, 2014
会议地点: Beijing, China
会议录: Proc. Of SPIE 9301, International Symposium on Optoelectronic Technology and Application
会议录出版者: SPIE
会议录出版地: Bellingham, WA
出版日期: 2014
页码: 1-7
收录类别: CPCI(ISTP) ; EI
ISSN号: 0277-786X
关键词: infrared imaging ; multi-scale ; nonlinear amplification ; image enhancement
摘要: Due to the restriction of infrared imaging component and the radiation of atmosphere, Infrared images are discontented with image contrast, blurry, large yawp. Aimed on these problems, A multi-scale image enhancement algorithm is proposed. The main principle is as follows: firstly, On the basis of the multi-scale image decomposition, We use an edge-preserving spatial filter that instead of the Gaussion filter proposed in the original version, adjust the scale-dependent factor With a weighted information. Secondly, Contrast is equalized by applying nonlinear amplification. Thirdly, Subband image is the weighted sum of sampled subband image and subsampled then up sampled subband image by a factor of two. Finally, Image reconstruction was applied. Experiment results show that the proposed method can enhance the original infrared image effectively and improve the contrast, moreover, it also can reserve the details and edges of the image well.
产权排序: 1
内容类型: 会议论文
URI标识: http://ir.sia.cn/handle/173321/15332
Appears in Collections:光电信息技术研究室_会议论文

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