2013
DOI: 10.1016/j.ins.2013.02.051
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Using the idea of the sparse representation to perform coarse-to-fine face recognition

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Cited by 136 publications
(56 citation statements)
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“…These images were captured over two sessions. The selected subset has also been widely used in previous studies [46,49,50]. Each image was down-sampled to …”
Section: Resultsmentioning
confidence: 99%
“…These images were captured over two sessions. The selected subset has also been widely used in previous studies [46,49,50]. Each image was down-sampled to …”
Section: Resultsmentioning
confidence: 99%
“…The sparse representation classification (SRC) [19][20][21], recently proposed, can be regarded as a special form of least squares regression. Differing from LSR, it achieves an approximation of a test sample via a sparse linear combination of all training samples.…”
Section: Introductionmentioning
confidence: 99%
“…In addition, based on the observation that the essential factor to achieve the highest accuracy of these RC methods is the collaborative representation rather than the sparse representation, various improved SRC methods have also proposed to further improve the classification accucary and efficiency. [20,21] Although these SRC methods achieve very good performance in many cases, they still have some challenges, such as limited training samples, various expressions and illuminations, etc. [22][23][24] To this end, various improved methods have been proposed, in which the most simple but effective methods are the virtual sample based methods.…”
Section: Introductionmentioning
confidence: 99%