Discriminative region extraction and feature selection based on the combination of SURF and saliency

Li Deng; Chunhong Wang; Changhui Rao

doi:10.1117/12.899501

8 September 2011 Discriminative region extraction and feature selection based on the combination of SURF and saliency

Li Deng, Chunhong Wang, Changhui Rao

Proceedings Volume 8193, International Symposium on Photoelectronic Detection and Imaging 2011: Advances in Infrared Imaging and Applications; 819310 (2011) https://doi.org/10.1117/12.899501
Event: International Symposium on Photoelectronic Detection and Imaging 2011, 2011, Beijing, China

Abstract

The objective of this paper is to provide a possible optimization on salient region algorithm, which is extensively used in recognizing and learning object categories. Salient region algorithm owns the superiority of intra-class tolerance, global score of features and automatically prominent scale selection under certain range. However, the major limitation behaves on performance, and that is what we attempt to improve. By reducing the number of pixels involved in saliency calculation, it can be accelerated. We use interest points detected by fast-Hessian, the detector of SURF, as the candidate feature for saliency operation, rather than the whole set in image. This implementation is thereby called Saliency based Optimization over SURF (SOSU for short). Experiment shows that bringing in of such a fast detector significantly speeds up the algorithm. Meanwhile, Robustness of intra-class diversity ensures object recognition accuracy.

Citation Download Citation

Li Deng, Chunhong Wang, and Changhui Rao "Discriminative region extraction and feature selection based on the combination of SURF and saliency", Proc. SPIE 8193, International Symposium on Photoelectronic Detection and Imaging 2011: Advances in Infrared Imaging and Applications, 819310 (8 September 2011); https://doi.org/10.1117/12.899501

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KEYWORDS

Sensors

Detection and tracking algorithms

Object recognition

Feature extraction

Gaussian filters

Image filtering

Tolerancing

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