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The popularity of self-supervised learning has made it possible to train models without relying on labeled data, which saves expensive annotation costs. However, most existing self-supervised contrastive learning methods often overlook the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Weiquan Li , Xianzhong Long , Yun Li

Although an object may appear in numerous contexts, we often describe it in a limited number of ways. Language allows us to abstract away visual variation to represent and communicate concepts. Building on this intuition, we propose an…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Mohamed El Banani , Karan Desai , Justin Johnson

Datasets for biosignals, such as electroencephalogram (EEG) and electrocardiogram (ECG), often have noisy labels and have limited number of subjects (<100). To handle these challenges, we propose a self-supervised approach based on…

Machine Learning · Computer Science 2020-07-10 Joseph Y. Cheng , Hanlin Goh , Kaan Dogrusoz , Oncel Tuzel , Erdrin Azemi

Unsupervised learning has recently made exceptional progress because of the development of more effective contrastive learning methods. However, CNNs are prone to depend on low-level features that humans deem non-semantic. This dependency…

Computer Vision and Pattern Recognition · Computer Science 2022-01-04 Songwei Ge , Shlok Mishra , Haohan Wang , Chun-Liang Li , David Jacobs

Motivated by the need for estimating the 3D pose of arbitrary objects, we consider the challenging problem of class-agnostic object viewpoint estimation from images only, without CAD model knowledge. The idea is to leverage features learned…

Computer Vision and Pattern Recognition · Computer Science 2021-10-28 Yang Xiao , Yuming Du , Renaud Marlet

The robustness of gaze and head pose estimation models is highly dependent on the amount of labeled data. Recently, generative modeling has shown excellent results in generating photo-realistic images, which can alleviate the need for…

Computer Vision and Pattern Recognition · Computer Science 2022-09-21 Swati Jindal , Xin Eric Wang

Self-supervised learning has achieved remarkable success in acquiring high-quality representations from unlabeled data. The widely adopted contrastive learning framework aims to learn invariant representations by minimizing the distance…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Xiaojie Li , Yibo Yang , Xiangtai Li , Jianlong Wu , Yue Yu , Bernard Ghanem , Min Zhang

Learning robust representations to discriminate cell phenotypes based on microscopy images is important for drug discovery. Drug development efforts typically analyse thousands of cell images to screen for potential treatments. Early works…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Alexis Perakis , Ali Gorji , Samriddhi Jain , Krishna Chaitanya , Simone Rizza , Ender Konukoglu

Unconstrained remote gaze estimation remains challenging mostly due to its vulnerability to the large variability in head-pose. Prior solutions struggle to maintain reliable accuracy in unconstrained remote gaze tracking. Among them,…

Computer Vision and Pattern Recognition · Computer Science 2020-04-09 Zhecan Wang , Jian Zhao , Cheng Lu , Han Huang , Fan Yang , Lianji Li , Yandong Guo

A prominent technique for self-supervised representation learning has been to contrast semantically similar and dissimilar pairs of samples. Without access to labels, dissimilar (negative) points are typically taken to be randomly sampled…

Machine Learning · Computer Science 2020-10-22 Ching-Yao Chuang , Joshua Robinson , Lin Yen-Chen , Antonio Torralba , Stefanie Jegelka

Conventional feature-based and model-based gaze estimation methods have proven to perform well in settings with controlled illumination and specialized cameras. In unconstrained real-world settings, however, such methods are surpassed by…

Computer Vision and Pattern Recognition · Computer Science 2018-05-15 Seonwook Park , Xucong Zhang , Andreas Bulling , Otmar Hilliges

Gaze estimation, the task of predicting where an individual is looking, is a critical task with direct applications in areas such as human-computer interaction and virtual reality. Estimating the direction of looking in unconstrained…

Computer Vision and Pattern Recognition · Computer Science 2024-02-14 Andy Cătrună , Adrian Cosma , Emilian Rădoi

Self-supervised contrastive representation learning has proved incredibly successful in the vision and natural language domains, enabling state-of-the-art performance with orders of magnitude less labeled data. However, such methods are…

Machine Learning · Computer Science 2022-03-17 Dara Bahri , Heinrich Jiang , Yi Tay , Donald Metzler

Appearance-based gaze estimation from RGB images provides relatively unconstrained gaze tracking. We have previously proposed a gaze decomposition method that decomposes the gaze angle into the sum of a subject-independent gaze estimate…

Computer Vision and Pattern Recognition · Computer Science 2022-02-15 Zhaokang Chen , Bertram E. Shi

Contrastive self-supervised learning has attracted significant research attention recently. It learns effective visual representations from unlabeled data by embedding augmented views of the same image close to each other while pushing away…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Yichen Zhang , Yifang Yin , Ying Zhang , Roger Zimmermann

In this paper, we are interested in understanding self-supervised pretraining through studying the capability that self-supervised representation pretraining methods learn part-aware representations. The study is mainly motivated by that…

Computer Vision and Pattern Recognition · Computer Science 2024-01-24 Jie Zhu , Jiyang Qi , Mingyu Ding , Xiaokang Chen , Ping Luo , Xinggang Wang , Wenyu Liu , Leye Wang , Jingdong Wang

We present a contrasting learning approach with data augmentation techniques to learn document representations in an unsupervised manner. Inspired by recent contrastive self-supervised learning algorithms used for image and NLP pretraining,…

Computation and Language · Computer Science 2021-03-29 Dongsheng Luo , Wei Cheng , Jingchao Ni , Wenchao Yu , Xuchao Zhang , Bo Zong , Yanchi Liu , Zhengzhang Chen , Dongjin Song , Haifeng Chen , Xiang Zhang

Self-supervised contrastive learning has demonstrated great potential in learning visual representations. Despite their success in various downstream tasks such as image classification and object detection, self-supervised pre-training for…

Computer Vision and Pattern Recognition · Computer Science 2022-10-12 Di Wu , Siyuan Li , Zelin Zang , Stan Z. Li

We focus on contrastive methods for self-supervised video representation learning. A common paradigm in contrastive learning is to construct positive pairs by sampling different data views for the same instance, with different data…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Chen Sun , Arsha Nagrani , Yonglong Tian , Cordelia Schmid

Unsupervised contrastive learning has shown significant performance improvements in recent years, often approaching or even rivaling supervised learning in various tasks. However, its learning mechanism is fundamentally different from…

Machine Learning · Computer Science 2026-03-05 Yi-Ge Zhang , Jingyi Cui , Qiran Li , Yisen Wang
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