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Achieving the generalization of an invariant classifier from training domains to shifted test domains while simultaneously considering model fairness is a substantial and complex challenge in machine learning. Existing methods address the…

机器学习 · 计算机科学 2024-08-20 Dong Li , Chen Zhao , Minglai Shao , Wenjun Wang

In contrast to comparing faces via single exemplars, matching sets of face images increases robustness and discrimination performance. Recent image set matching approaches typically measure similarities between subspaces or manifolds, while…

计算机视觉与模式识别 · 计算机科学 2013-03-13 Conrad Sanderson , Mehrtash T. Harandi , Yongkang Wong , Brian C. Lovell

In this paper, we introduce a contrastive learning framework for keypoint detection (CoKe). Keypoint detection differs from other visual tasks where contrastive learning has been applied because the input is a set of images in which…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Yutong Bai , Angtian Wang , Adam Kortylewski , Alan Yuille

Human skin detection in images is a widely studied topic of Computer Vision for which it is commonly accepted that analysis of pixel color or local patches may suffice. This is because skin regions appear to be relatively uniform and many…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Aloisio Dourado , Frederico Guth , Teofilo Emidio de Campos , Li Weigang

Given a collection of images, humans are able to discover landmarks by modeling the shared geometric structure across instances. This idea of geometric equivariance has been widely used for the unsupervised discovery of object landmark…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Zezhou Cheng , Jong-Chyi Su , Subhransu Maji

Deriving an effective facial expression recognition component is important for a successful human-computer interaction system. Nonetheless, recognizing facial expression remains a challenging task. This paper describes a novel approach…

计算机视觉与模式识别 · 计算机科学 2019-04-15 Mundher Al-Shabi , Wooi Ping Cheah , Tee Connie

Recent works have advanced the performance of self-supervised representation learning by a large margin. The core among these methods is intra-image invariance learning. Two different transformations of one image instance are considered as…

计算机视觉与模式识别 · 计算机科学 2021-05-14 Haiping Wu , Xiaolong Wang

CNNs have become one of the most commonly used computational tool in the past two decades. One of the primary downsides of CNNs is that they work as a ``black box", where the user cannot necessarily know how the image data are analyzed, and…

计算机视觉与模式识别 · 计算机科学 2024-12-18 Sai Teja Erukude , Akhil Joshi , Lior Shamir

Many tasks in computer vision are often calibrated and evaluated relative to human perception. In this paper, we propose to directly approximate the perceptual function performed by human observers completing a visual detection task.…

计算机视觉与模式识别 · 计算机科学 2020-06-16 Alan Dolhasz , Carlo Harvey , Ian Williams

Contrastive learning has shown promising potential for learning robust representations by utilizing unlabeled data. However, constructing effective positive-negative pairs for contrastive learning on facial behavior datasets remains…

计算机视觉与模式识别 · 计算机科学 2023-08-28 Xiang Zhang , Taoyue Wang , Xiaotian Li , Huiyuan Yang , Lijun Yin

Small sample sizes are common in many disciplines, which necessitates pooling roughly similar datasets across multiple institutions to study weak but relevant associations between images and disease outcomes. Such data often manifest…

机器学习 · 计算机科学 2024-11-19 Sotirios Panagiotis Chytas , Vishnu Suresh Lokhande , Peiran Li , Vikas Singh

Bayesian neural networks (BNNs) promise improved generalization under covariate shift by providing principled probabilistic representations of epistemic uncertainty. However, weight-based BNNs often struggle with high computational…

机器学习 · 统计学 2022-06-13 Trung Trinh , Markus Heinonen , Luigi Acerbi , Samuel Kaski

Most deep learning models are data-driven and the excellent performance is highly dependent on the abundant and diverse datasets. However, it is very hard to obtain and label the datasets of some specific scenes or applications. If we train…

计算机视觉与模式识别 · 计算机科学 2022-03-09 Tianxiao Zhang , Wenchi Ma , Guanghui Wang

Pushing by big data and deep convolutional neural network (CNN), the performance of face recognition is becoming comparable to human. Using private large scale training datasets, several groups achieve very high performance on LFW, i.e.,…

计算机视觉与模式识别 · 计算机科学 2014-12-01 Dong Yi , Zhen Lei , Shengcai Liao , Stan Z. Li

Educational policymakers often lack data on student outcomes where standardized tests were not administered. Machine learning can predict unobserved outcomes in target populations using source population data. However, covariate…

Accurate and robust image-based geo-localization at a global scale is challenging due to diverse environments, visually ambiguous scenes, and the lack of distinctive landmarks in many regions. While contrastive learning methods show…

计算机视觉与模式识别 · 计算机科学 2025-09-29 Boyi Chen , Zhangyu Wang , Fabian Deuser , Johann Maximilian Zollner , Martin Werner

Real-world face recognition requires an ability to perceive the unique features of an individual face across multiple, variable images. The primate visual system solves the problem of image invariance using cascades of neurons that convert…

计算机视觉与模式识别 · 计算机科学 2019-11-15 Matthew Q. Hill , Connor J. Parde , Carlos D. Castillo , Y. Ivette Colon , Rajeev Ranjan , Jun-Cheng Chen , Volker Blanz , Alice J. O'Toole

Person re-identification (ReID) aims at searching the same identity person among images captured by various cameras. Unsupervised person ReID attracts a lot of attention recently, due to it works without intensive manual annotation and thus…

计算机视觉与模式识别 · 计算机科学 2021-03-05 Bo Pang , Deming Zhai , Junjun Jiang , Xianming Liu

Fine-grained image recognition is a longstanding computer vision challenge that focuses on differentiating objects belonging to multiple subordinate categories within the same meta-category. Since images belonging to the same meta-category…

计算机视觉与模式识别 · 计算机科学 2023-09-04 Yifan Pu , Yizeng Han , Yulin Wang , Junlan Feng , Chao Deng , Gao Huang

In the presence of large sets of labeled data, Deep Learning (DL) has accomplished extraordinary triumphs in the avenue of computer vision, particularly in object classification and recognition tasks. However, DL cannot always perform well…

计算机视觉与模式识别 · 计算机科学 2019-01-03 Mohammad Mahfujur Rahman , Clinton Fookes , Mahsa Baktashmotlagh , Sridha Sridharan