CornerNet: Detecting Objects as Paired Keypoints
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Abstract (arXiv)
We propose CornerNet, a new approach to object detection where we detect an object bounding box as a pair of keypoints, the top-left corner and the bottom-right corner, using a single convolution neural network. By detecting objects as paired keypoints, we eliminate the need for designing a set of anchor boxes commonly used in prior single-stage detectors. In addition to our novel formulation, we introduce corner pooling, a new type of pooling layer that helps the network better localize corners. Experiments show that CornerNet achieves a 42.2% AP on MS COCO, outperforming all existing one-stage detectors.
Key facts. Cited by 763 papers in the map (data through 13 Oct 2026). First posted on arXiv 3 Aug 2018.
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Citing papers per year: 2021: 233; 2022: 172; 2023: 148; 2024: 108; 2025: 60; 2026: 42.
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