Super-resolution of hyperspectral image via superpixel-based sparse representation
作者: Leyuan FangHaijie ZhuoShutao Li
作者单位: 1College of Electrical and Information Engineering, Hunan University, Changsha 410082, China
刊名: Neurocomputing, 2018, Vol.273 , pp.171-177
来源数据库: Elsevier Journal
DOI: 10.1016/j.neucom.2017.08.019
关键词: Hyperspectral imageSuper-resolutionSparse representationSuperpixel
原始语种摘要: Abstract(#br)In this paper, a novel superpixel-based sparse representation (SSR) model is proposed for hyperspectral image (HSI) super-resolution. Specifically, given a HSI with low spatial resolution and a multispectral image (MSI) with high spatial resolution, the proposed SSR approach first learns a spectral dictionary from HSI and constructs a transformed dictionary corresponding to MSI. Then, the SSR method clusters the MSI into superpixels, whose shape and size can be adaptively adjusted according to the local structures. Since pixels within each superpixel have strong similarities, the SSR method simultaneously decomposes them on the transformed dictionary to generate the corresponding fractional abundance coefficient matrix, which can exploit the similarities within the superpixel...
全文获取路径: Elsevier  (合作)
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影响因子:1.634 (2012)

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关键词翻译
关键词翻译
  • representation 表现
  • image 
  • resolution 分解能力
  • sparse 稀疏的
  • dictionary 辞典
  • multispectral 多重谱的
  • fractional 分级的
  • proposed 建议的
  • corresponding 对应的
  • spatial 空间的