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Adaptive Wing Loss for Robust Face Alignment via Heatmap Regression

Open access
Wang, Xinyao, Bo, Liefeng, Fuxin, Li·2019·2019 IEEE/CVF International Conference on Computer Vision (ICCV)

Abstract

Heatmap regression with a deep network has become one of the mainstream approaches to localize facial landmarks. However, the loss function for heatmap regression is rarely studied. In this paper, we analyze the ideal loss function properties for heatmap regression in face alignment problems. Then we propose a novel loss function, named Adaptive Wing loss, that is able to adapt its shape to different types of ground truth heatmap pixels. This adaptability penalizes loss more on foreground pixels while less on background pixels. To address the imbalance between foreground and background pixels, we also propose Weighted Loss Map, which assigns high weights on foreground and difficult background pixels to help training process focus more on pixels that are crucial to landmark localization. To further improve face alignment accuracy, we introduce boundary prediction and CoordConv with boundary coordinates. Extensive experiments on different benchmarks, including COFW, 300W and WFLW, show our approach outperforms the state-of-the-art by a significant margin on various evaluation metrics. Besides, the Adaptive Wing loss also helps other heatmap regression tasks.

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Metadata

Authors
Wang, X., Bo, L., & Fuxin, L.
Venue
2019 IEEE/CVF International Conference on Computer Vision (ICCV)
Publisher
IEEE
Published
2019-10
Pages
6970-6980
OpenAlex
W2982772166
Cited by
313
References
65
FWCI
11.30
Type
conference paper
Language
en
Open access
green

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CoChat. (2026). Citation check: Adaptive Wing Loss for Robust Face Alignment via Heatmap Regression. https://app.cochat.ai/papers/10.1109/iccv.2019.00707
The paper
Wang, X., Bo, L., & Fuxin, L. (2019). Adaptive Wing Loss for Robust Face Alignment via Heatmap Regression. 2019 IEEE/CVF International Conference on Computer Vision (ICCV). https://doi.org/10.1109/iccv.2019.00707

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