Detect people in top-view, fish-eye images with ARPD

Detect people in top-view, fish-eye images with ARPD

ARPD: Anchor-free Rotation-aware People Detection using Topview Fisheye Camera

arXiv paper abstract https://arxiv.org/abs/2201.10107v1

arXiv PDF paper https://arxiv.org/pdf/2201.10107v1.pdf

People detection in top-view, fish-eye images is challenging as people in fish-eye images often appear in arbitrary directions and are distorted differently.

... Recent works ... modifying existing anchor-based detectors or relying on complex pre/post-processing.

... In addition to being inefficient, this approach could lead to a significant imbalance between the positive and negative anchor boxes.

... propose ARPD, a single-stage anchor-free fully convolutional network to detect arbitrarily rotated people in fish-eye images.

... network uses keypoint estimation to find the center point of each object and regress the object's other properties directly. ... also predicts the angle of each bounding box.

... method competes favorably with state-of-the-art algorithms while running significantly faster.

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