Abstract
Object detection methods based on sliding windows has long been considered a binary classification problem, but this formulation ignores order of examples. Deformable part models, which achieves great success in object detection, have the same problem.This paper aims to give better order to detections given by deformable part models. We use a bagged LambdaMART to model both pair-wise and list-wise relationships between detections. Experiments show our ranking models not only significantly improve detection rates compared to basic deformable part model detectors, but also outperform classification methods with same features.
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Acknowledgments
This work was partially supported by National Natural Science Foundation of China(Project No.61273365 and No. 61100120), the Fundamental Research Funds for the Central Universities (No. 2013RC0304), National High Technology Research and Development Program of China(No. 2012AA011104) and discipline building plan in 111 base(No. B08004) and Engineering Research Center of Information Networks, Ministry of Education.
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Sun, C., Wang, X., Lu, P. (2015). Object Ranking on Deformable Part Models with Bagged LambdaMART. In: Cremers, D., Reid, I., Saito, H., Yang, MH. (eds) Computer Vision -- ACCV 2014. ACCV 2014. Lecture Notes in Computer Science(), vol 9004. Springer, Cham. https://doi.org/10.1007/978-3-319-16808-1_5
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