The field of person re-identification is facing problems related to the variation of illumination and background scenes. In order to reduce the impact of those variations, we propose in this work a two-stream re-identification system based on a siamese network (S-CNN). The proposed system takes as input a pair of person images: the original image and the image without background. In the background subtraction step, a segmentation network (SEG-CNN) is used to detect the person body part and capture a complementary information. We experimentally prove that the combination of the two streams (images with and without background) improves the recognition rates. In the rank-1, the improvement is respectively of $$2\%$$ and $$4\%$$ for Market-1501 and DukeMTMC-reID datasets.
CITATION STYLE
Ghorbel, M., Ammar, S., Kessentini, Y., & Jmaiel, M. (2019). Improving person re-identification by background subtraction using two-stream convolutional networks. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 11662 LNCS, pp. 345–356). Springer Verlag. https://doi.org/10.1007/978-3-030-27202-9_31
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