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Faster R-CNN: Towards Real-Time Object Detection with Region Proposal\n Networks

2015/06/04 by Shaoqing Ren, Kaiming He, Ren, Shaoqing +5 · 6,279 citations
Computer Science · #Advanced Image and Video Retrieval Techniques #Advanced Neural Network Applications #Algorithm #Artificial intelligence #Bottleneck #Computation #Computer Vision and Pattern Recognition (cs.CV) #Computer network #Computer science #Computer vision #Convolutional neural network #Data mining #Domain Adaptation and Few-Shot Learning #FOS: Computer and information sciences #Frame (networking) #Frame rate #Information retrieval #Merge (version control) #Multimodal Machine Learning Applications #Object detection #Pascal (unit) #Pattern recognition (psychology) #Pooling #cs.CV

paper · pdf · doi:10.48550/arxiv.1506.01497

published in arXiv (Cornell University) 28, 91-99 (Cornell University) · Extended tech report

openalex publication_date 2015/06/04 · arxiv created 2016/01/06 · arxiv updated 2016/01/07 · openalex created_date 2019/06/27 · openalex updated_date 2026/08/08

Abstract

State-of-the-art object detection networks depend on region proposal\nalgorithms to hypothesize object locations. Advances like SPPnet and Fast R-CNN\nhave reduced the running time of these detection networks, exposing region\nproposal computation as a bottleneck. In this work, we introduce a Region\nProposal Network (RPN) that shares full-image convolutional features with the\ndetection network, thus enabling nearly cost-free region proposals. An RPN is a\nfully convolutional network that simultaneously predicts object bounds and\nobjectness scores at each position. The RPN is trained end-to-end to generate\nhigh-quality region proposals, which are used by Fast R-CNN for detection. We\nfurther merge RPN and Fast R-CNN into a single network by sharing their\nconvolutional features---using the recently popular terminology of neural\nnetworks with 'attention' mechanisms, the RPN component tells the unified\nnetwork where to look. For the very deep VGG-16 model, our detection system has\na frame rate of 5fps (including all steps) on a GPU, while achieving\nstate-of-the-art object detection accuracy on PASCAL VOC 2007, 2012, and MS\nCOCO datasets with only 300 proposals per image. In ILSVRC and COCO 2015\ncompetitions, Faster R-CNN and RPN are the foundations of the 1st-place winning\nentries in several tracks. Code has been made publicly available.\n

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