IEEE Trans Image Process - Spatio-temporal auxiliary particle filtering with l1-norm-based appearance model learning for robust visual tracking.

Tópicos

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Resumo

In this paper, we propose an efficient and accurate visual tracker equipped with a new particle filtering algorithm and robust subspace learning-based appearance model. The proposed visual tracker avoids drifting problems caused by abrupt motion changes and severe appearance variations that are well-known difficulties in visual tracking. The proposed algorithm is based on a type of auxiliary particle filtering that uses a spatio-temporal sliding window. Compared to conventional particle filtering algorithms, spatio-temporal auxiliary particle filtering is computationally efficient and successfully implemented in visual tracking. In addition, a real-time robust principal component pursuit (RRPCP) equipped with l(1)-norm optimization has been utilized to obtain a new appearance model learning block for reliable visual tracking especially for occlusions in object appearance. The overall tracking framework based on the dual ideas is robust against occlusions and out-of-plane motions because of the proposed spatio-temporal filtering and recursive form of RRPCP. The designed tracker has been evaluated using challenging video sequences, and the results confirm the advantage of using this tracker.

Resumo Limpo

paper propos effici accur visual tracker equip new particl filter algorithm robust subspac learningbas appear model propos visual tracker avoid drift problem caus abrupt motion chang sever appear variat wellknown difficulti visual track propos algorithm base type auxiliari particl filter use spatiotempor slide window compar convent particl filter algorithm spatiotempor auxiliari particl filter comput effici success implement visual track addit realtim robust princip compon pursuit rrpcp equip lnorm optim util obtain new appear model learn block reliabl visual track especi occlus object appear overal track framework base dual idea robust occlus outofplan motion propos spatiotempor filter recurs form rrpcp design tracker evalu use challeng video sequenc result confirm advantag use tracker

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