Search Results for author: Kean Chen

Found 5 papers, 4 papers with code

Spatio-Temporal Point Process for Multiple Object Tracking

no code implementations5 Feb 2023 Tao Wang, Kean Chen, Weiyao Lin, John See, Zenghui Zhang, Qian Xu, Xia Jia

As such, we propose a novel framework that can effectively predict and mask-out the noisy and confusing detection results before associating the objects into trajectories.

Multiple Object Tracking Object

End-to-end video instance segmentation via spatial-temporal graph neural networks

1 code implementation ICCV 2021 Tao Wang, Ning Xu, Kean Chen, Weiyao Lin

Specifically, graph nodes representing instance features are used for detection and segmentation while graph edges representing instance relations are used for tracking.

Instance Segmentation Segmentation +2

AP-Loss for Accurate One-Stage Object Detection

1 code implementation17 Aug 2020 Kean Chen, Weiyao Lin, Jianguo Li, John See, Ji Wang, Junni Zou

This paper alleviates this issue by proposing a novel framework to replace the classification task in one-stage detectors with a ranking task, and adopting the Average-Precision loss (AP-loss) for the ranking problem.

Classification General Classification +3

PIoU Loss: Towards Accurate Oriented Object Detection in Complex Environments

1 code implementation ECCV 2020 Zhiming Chen, Kean Chen, Weiyao Lin, John See, Hui Yu, Yan Ke, Cong Yang

The experimental results show that PIoU loss can dramatically improve the performance of OBB detectors, particularly on objects with high aspect ratios and complex backgrounds.

object-detection Object Detection In Aerial Images +2

Towards Accurate One-Stage Object Detection with AP-Loss

1 code implementation CVPR 2019 Kean Chen, Jianguo Li, Weiyao Lin, John See, Ji Wang, Ling-Yu Duan, Zhibo Chen, Changwei He, Junni Zou

For this purpose, we develop a novel optimization algorithm, which seamlessly combines the error-driven update scheme in perceptron learning and backpropagation algorithm in deep networks.

Classification General Classification +3

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