BING: Binarized Normed Gradients for Objectness Estimation at 300fps

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Presentation transcript:

BING: Binarized Normed Gradients for Objectness Estimation at 300fps Ming-Ming Cheng1 Ziming Zhang2 Wen-Yan Li1 Philip H. S. Torr1 1Torr Vision Group, Oxford University 2Boston University 08:30-10:00, Orals 8A – Recognition: Detection, Categorization, and Classification

Motivation: Generic object detection Most state-of-the-art detectors requires each category specific classifiers to evaluate many image windows. Category specific detectors to evaluate many image windows (Slow). Quickly identifying the object regions before recognize them.

Motivation: What is an object? Instead, humans can quickly identify object regions and recognize them. Category specific detectors to evaluate many image windows (Slow). Quickly identifying the object regions before recognize them.

Motivation: What is an object? An objectness measure A value to reflect how likely an image window covers an object of any category [PAMI 12 Alexe et. al.]. > > We propose an objectness measure to efficiently find object regions of any category. Each category specific detectors to evaluate many image windows (Slow). Quickly identifying the object regions before recognize them.

Experimental results Proposal quality on PASCAL VOC 2007 Better detection rate & 1000 times faster When compared with popular alternatives, our method achieves better detection rate, while been 1000 times faster.

Conclusion and Future Work Conclusions Surprisingly simple, fast, and high quality objectness measure Needs a few atomic operations (i.e. add, bitwise, etc.) per window Test time: 300fps! Training time on the entire VOC07 dataset takes 20 seconds! State of the art results on challenging VOC benchmark 96.2% Detection rate (DR) @ 1K proposals, 99.5% DR @ 5K proposals Generic over classes, training on 6 classes and test on other classes 100+ lines of C++ to implement the algorithm Resources: http://mmcheng.net/bing/ Paper, source code, data, slides, online FAQs, etc. 1000+ source code downloads in 1 week Already got many feedbacks reporting detection speed up free Our method is surprisingly simple, fast and produce high quality results. Please go to our webpage for more details.

Thanks for watching Orals 8A, 8:30-10:00, 27th June