在视频序列中精确定位目标的多阶段跟踪的一种新颖方法.pdfVIP

Expert Systems With Applications 78 (2017) 208–224 Contents lists available at ScienceDirect Expert Systems With Applications journal homepage: /locate/eswa A novel approach of multi-stage tracking for precise localization of target in video sequences a b b,∗ a c Gurjit Singh Walia , Saim Raza , Anjana Gupta , Rajesh Asthana , Kuldeep Singh a Defense Research and Development Organization, Ministry of Defense, Delhi, India b Department of Applied Mathematics, Delhi Technological University, Delhi, India c Central Research Laboratory, Bharat Electronics Limited, Ghaziabad, India a r t i c l e i n f o a b s t r a c t Article history: Visual tracking methods are mostly based on single stage state estimation that limitedly caters to precise Received 9 September 2016 localization of target under dynamic environment such as occlusion, object deformation, rotation, scaling Revised 2 February 2017 and cluttered background. In order to address these issues, we introduce a novel multi-stage coarse-to- Accepted 3 February 2017 fine tracking framework with quick adaptation to environment dynamics. The key idea of our work is to Available online 8 February 2017 propose two-stage estimation of object state and to devel