Manifold Regularized Low Rank Embedding for Hyperspectral Image Feature Extraction
  • 【摘要】

    Recently,low rank embedding(LRE)method has achieved great success in robust image feature extraction,which aims to embed the data into a low dimensional space with the low rank reconstruction relation... 展开>>Recently,low rank embedding(LRE)method has achieved great success in robust image feature extraction,which aims to embed the data into a low dimensional space with the low rank reconstruction relationship preserved.Since the high dimensional data of hyperspectral image(HSI)often leads to information redundancy,LRE is considered to perform the feature extraction of HSI in this paper.Although LRE can seek the low rank representation(LRR)and optimal subspace simultaneously,the characteristic of LRR results in that the subspace obtained by LRE only considers the global Euclidean structure and ignores the local manifold structure.However,the local manifold structure generally plays a important role for HSI robust features extracting.In order to exploit the local manifold structure of the data,a Laplacian graph characterized manifold regularization has been incorporated into LRE,leading to our proposed Laplacian regularized LRE(LapLRE).Classification by a existing classifier is implemented to verify the robustness of features extracted by LapLRE.Experimental results on two HSI data sets demonstrate that the performance of LRE has been enhanced by using the manifold regularization. 收起<<

  • 【作者】

    Heng-Chao Li  Yang-Jun Deng  Wen Yang 

  • 【作者单位】

    School

  • 【会议名称】

    第四届高分辨率对地观测学术年会

  • 【会议时间】

    2017-09-17

  • 【会议地点】

    武汉

  • 【主办单位】

    高分辨率对地观测系统重大专项管理办公室   中科院

  • 【语种】

    eng

  • 【关键词】

    low rank embedding  hyperspectral image  feature extraction  manifold regularization  classification