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Robust Optimization for Deep Regression

Belagiannis, Vasileios, Rupprecht, Christian, Carneiro, Gustavo, Navab, Nassir·2015·2015 IEEE International Conference on Computer Vision (ICCV)

Abstract

Convolutional Neural Networks (ConvNets) have successfully contributed to improve the accuracy of regression-based methods for computer vision tasks such as human pose estimation, landmark localization, and object detection. The network optimization has been usually performed with L2 loss and without considering the impact of outliers on the training process, where an outlier in this context is defined by a sample estimation that lies at an abnormal distance from the other training sample estimations in the objective space. In this work, we propose a regression model with ConvNets that achieves robustness to such outliers by minimizing Tukey's biweight function, an M-estimator robust to outliers, as the loss function for the ConvNet. In addition to the robust loss, we introduce a coarse-to-fine model, which processes input images of progressively higher resolutions for improving the accuracy of the regressed values. In our experiments, we demonstrate faster convergence and better generalization of our robust loss function for the tasks of human pose estimation and age estimation from face images. We also show that the combination of the robust loss function with the coarse-to-fine model produces comparable or better results than current state-of-the-art approaches in four publicly available human pose estimation datasets.

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Metadata

Authors
Belagiannis, V., Rupprecht, C., Carneiro, G., & Navab, N.
Venue
2015 IEEE International Conference on Computer Vision (ICCV)
Publisher
IEEE
Published
2015-12
Pages
2830-2838
OpenAlex
W2116626343
Cited by
179
References
6
FWCI
6.79
Type
conference paper
Language
en
Open access
closed

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CoChat. (2026). Citation check: Robust Optimization for Deep Regression. https://app.cochat.ai/papers/10.1109/iccv.2015.324
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Belagiannis, V., Rupprecht, C., Carneiro, G., & Navab, N. (2015). Robust Optimization for Deep Regression. 2015 IEEE International Conference on Computer Vision (ICCV). https://doi.org/10.1109/iccv.2015.324

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