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POP: Person Re-Identification Post-Rank Optimisation

6 years 9 days ago
POP: Person Re-Identification Post-Rank Optimisation
Owing to visual ambiguities and disparities, person re-identification methods inevitably produce suboptimal rank-list, which still requires exhaustive human eyeballing to identify the correct target from hundreds of different likely-candidates. Existing re-identification studies focus on improving the ranking performance, but rarely look into the critical problem of optimising the time-consuming and error-prone post-rank visual search at the user end. In this study, we present a novel one-shot Post-rank OPtimisation (POP) method, which allows a user to quickly refine their search by either "one-shot" or a couple of sparse negative selections during a re-identification process. We conduct systematic behavioural studies to understand user's searching behaviour and show that the proposed method allows correct re-identification to converge 2.6 times faster than the conventional exhaustive search. Importantly, through extensive quantitative evaluations we demonstrate that the...
C. Liu, C. C. Loy, S. Gong, G. Wang
Added 13 Oct 2013
Updated 13 Oct 2013
Type Conference
Year 2013
Where ICCV
Authors C. Liu, C. C. Loy, S. Gong, G. Wang
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