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Face detection is a long-standing challenge in the field of computer vision, with the ultimate goal being to accurately localize human faces in an unconstrained environment. There are significant technical hurdles in making these systems…

Computer Vision and Pattern Recognition · Computer Science 2021-11-03 Necdet Gurkan , Jordan W. Suchow

Convolutional Neural Networks (CNNs) are commonly thought to recognise objects by learning increasingly complex representations of object shapes. Some recent studies suggest a more important role of image textures. We here put these…

Computer Vision and Pattern Recognition · Computer Science 2022-11-11 Robert Geirhos , Patricia Rubisch , Claudio Michaelis , Matthias Bethge , Felix A. Wichmann , Wieland Brendel

Skeleton-based human action recognition has been drawing more interest recently due to its low sensitivity to appearance changes and the accessibility of more skeleton data. However, even the 3D skeletons captured in practice are still…

Computer Vision and Pattern Recognition · Computer Science 2022-09-26 Cunling Bian , Wei Feng , Fanbo Meng , Song Wang

Covariate distribution shift occurs when certain structural features present in the test set are absent from the training set. It is a common type of out-of-distribution (OOD) problem, frequently encountered in real-world graph data with…

Machine Learning · Computer Science 2026-04-22 Fanlong Zeng , Wensheng Gan

In recent years, several unsupervised, "contrastive" learning algorithms in vision have been shown to learn representations that perform remarkably well on transfer tasks. We show that this family of algorithms maximizes a lower bound on…

Machine Learning · Computer Science 2020-06-08 Mike Wu , Chengxu Zhuang , Milan Mosse , Daniel Yamins , Noah Goodman

Contrast is subject to dramatic changes across the visual field, depending on the source of light and scene configurations. Hence, the human visual system has evolved to be more sensitive to contrast than absolute luminance. This feature is…

Computer Vision and Pattern Recognition · Computer Science 2019-02-13 Arash Akbarinia , Karl R. Gegenfurtner

Distribution shift is a major source of failure for machine learning models. However, evaluating model reliability under distribution shift can be challenging, especially since it may be difficult to acquire counterfactual examples that…

Machine Learning · Computer Science 2023-06-21 Joshua Vendrow , Saachi Jain , Logan Engstrom , Aleksander Madry

Computer vision applications predict on digital images acquired by a camera from physical scenes through light. However, conventional robustness benchmarks rely on perturbations in digitized images, diverging from distribution shifts…

Computer Vision and Pattern Recognition · Computer Science 2024-04-26 Eunsu Baek , Keondo Park , Jiyoon Kim , Hyung-Sin Kim

Effective mining of social media, which consists of a large number of users is a challenging task. Traditional approaches rely on the analysis of text data related to users to accomplish this task. However, text data lacks significant…

Social and Information Networks · Computer Science 2020-07-30 Syed Afaq Ali Shah , Weifeng Deng , Jianxin Li , Muhammad Aamir Cheema , Abdul Bais

Pursuing realistic results according to human visual perception is the central concern in the image transformation tasks. Perceptual learning approaches like perceptual loss are empirically powerful for such tasks but they usually rely on…

Computer Vision and Pattern Recognition · Computer Science 2020-06-25 Kangfu Mei , Yao Lu , Qiaosi Yi , Haoyu Wu , Juncheng Li , Rui Huang

In the covariate shift learning scenario, the training and test covariate distributions differ, so that a predictor's average loss over the training and test distributions also differ. In this work, we explore the potential of extreme…

Machine Learning · Computer Science 2018-03-13 Fulton Wang , Cynthia Rudin

Utilizing covariate information has been a powerful approach to improve the efficiency and accuracy for causal inference, which support massive amount of randomized experiments run on data-driven enterprises. However, state-of-art…

Methodology · Statistics 2023-11-06 Yuhang Wu , Jinghai He , Zeyu Zheng

High-performance visual recognition systems generally require a large collection of labeled images to train. The expensive data curation can be an obstacle for improving recognition performance. Sharing more data allows training for better…

Computer Vision and Pattern Recognition · Computer Science 2019-06-24 Tae-hoon Kim , Dongmin Kang , Kari Pulli , Jonghyun Choi

Computer Vision (CV) has achieved remarkable results, outperforming humans in several tasks. Nonetheless, it may result in significant discrimination if not handled properly as CV systems highly depend on the data they are fed with and can…

Computer Vision and Pattern Recognition · Computer Science 2022-06-24 Simone Fabbrizzi , Symeon Papadopoulos , Eirini Ntoutsi , Ioannis Kompatsiaris

High-dimensional networks play a key role in understanding complex relationships. These relationships are often dynamic in nature and can change with multiple external factors (e.g., time and groups). Methods for estimating graphical models…

Methodology · Statistics 2024-07-30 Louis Dijkstra , Arne Godt , Ronja Foraita

Contrastive self-supervised learning has outperformed supervised pretraining on many downstream tasks like segmentation and object detection. However, current methods are still primarily applied to curated datasets like ImageNet. In this…

Computer Vision and Pattern Recognition · Computer Science 2021-12-15 Wouter Van Gansbeke , Simon Vandenhende , Stamatios Georgoulis , Luc Van Gool

Learning visual representations of medical images (e.g., X-rays) is core to medical image understanding but its progress has been held back by the scarcity of human annotations. Existing work commonly relies on fine-tuning weights…

Computer Vision and Pattern Recognition · Computer Science 2022-09-21 Yuhao Zhang , Hang Jiang , Yasuhide Miura , Christopher D. Manning , Curtis P. Langlotz

While previous distribution shift detection approaches can identify if a shift has occurred, these approaches cannot localize which specific features have caused a distribution shift -- a critical step in diagnosing or fixing any underlying…

Machine Learning · Computer Science 2021-07-16 Sean Kulinski , Saurabh Bagchi , David I. Inouye

Detecting Out-of-Distribution (OOD) sensory data and covariate distribution shift aims to identify new test examples with different high-level image statistics to the captured, normal and In-Distribution (ID) set. Existing OOD detection…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Christiaan Viviers , Amaan Valiuddin , Francisco Caetano , Lemar Abdi , Lena Filatova , Peter de With , Fons van der Sommen

Multimodal imaging and correlative analysis typically require image alignment. Contrastive learning can generate representations of multimodal images, reducing the challenging task of multimodal image registration to a monomodal one.…

Computer Vision and Pattern Recognition · Computer Science 2023-03-02 Elisabeth Wetzer , Joakim Lindblad , Nataša Sladoje