CASIA OpenIR  > 09年以前成果
Removing shadows from face images using ICA
Liu, J; Huang, XS; Wang, YS; Marques, JS; PerezdelaBlanca, N; Pina, P
2005
发表期刊PATTERN RECOGNITION AND IMAGE ANALYSIS, PT 1, PROCEEDINGS
卷号3522页码:453-460
文章类型Article
摘要Shadows produce troublesome effects in many computer vision applications. The idea behind most current shadow removal approaches is locating shadows and then removing them[l][4]. However, distinguishing shadow edges due to shadows from reflectance edges due to reflectance changes is a difficult problem, particularly in a single image. In this paper, we focus on the shadow removal problem in face recognition, and take a novel method based on ICA (Independent Component Analysis) to remove shadows from a single face images. The training set contains face images without shadows. Firstly, we applied derivative filters on training images to derive face edge maps, and then perform ICA on filtered training set to construct pixel ICA subspaces which can be used to remove shadow edges from the filtered versions of a single test image. After the shadow edges removal process, a shadow free image can be reconstructed using an approach similar to [7]. Unlike previous shadow removal approaches, our method can remove shadows from a single gray image. Experimental results demonstrate that the proposed approach can effectively eliminate the effects of shadows in face recognition.
WOS标题词Science & Technology ; Technology
收录类别ISTP ; SCI
语种英语
WOS研究方向Computer Science
WOS类目Computer Science, Artificial Intelligence ; Computer Science, Theory & Methods
WOS记录号WOS:000230026900055
引用统计
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/9090
专题09年以前成果
作者单位Chinese Acad Sci, Inst Automat, CASIA SAIT HCI Joint Lab, Beijing 100864, Peoples R China
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GB/T 7714
Liu, J,Huang, XS,Wang, YS,et al. Removing shadows from face images using ICA[J]. PATTERN RECOGNITION AND IMAGE ANALYSIS, PT 1, PROCEEDINGS,2005,3522:453-460.
APA Liu, J,Huang, XS,Wang, YS,Marques, JS,PerezdelaBlanca, N,&Pina, P.(2005).Removing shadows from face images using ICA.PATTERN RECOGNITION AND IMAGE ANALYSIS, PT 1, PROCEEDINGS,3522,453-460.
MLA Liu, J,et al."Removing shadows from face images using ICA".PATTERN RECOGNITION AND IMAGE ANALYSIS, PT 1, PROCEEDINGS 3522(2005):453-460.
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