Web: http://arxiv.org/abs/1908.07956

May 13, 2022, 1:10 a.m. | Jun Xu, Zhou Xu, Wangpeng An, Haoqian Wang, David Zhang

cs.CV updates on arXiv.org arxiv.org

Sparse representation (SR) and collaborative representation (CR) have been
successfully applied in many pattern classification tasks such as face
recognition. In this paper, we propose a novel Non-negative Sparse and
Collaborative Representation (NSCR) for pattern classification. The NSCR
representation of each test sample is obtained by seeking a non-negative sparse
and collaborative representation vector that represents the test sample as a
linear combination of training samples. We observe that the non-negativity can
make the SR and CR more discriminative and …

arxiv classification collaborative cv negative representation

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