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In this work, we aim to consider the application of contrastive learning in the scenario of the recommendation system adequately, making it more suitable for recommendation task. We propose a learning paradigm called supervised contrastive…

信息检索 · 计算机科学 2022-04-20 Chun Yang

The availability of clean and diverse labeled data is a major roadblock for training models on complex tasks such as visual question answering (VQA). The extensive work on large vision-and-language models has shown that self-supervised…

计算机视觉与模式识别 · 计算机科学 2022-06-30 Violetta Shevchenko , Ehsan Abbasnejad , Anthony Dick , Anton van den Hengel , Damien Teney

Supervised classification approaches can predict labels for unknown data because of the supervised training process. The success of classification is heavily dependent on the labeled training data. Differently, clustering is effective in…

机器学习 · 计算机科学 2015-02-19 Fangfang Li , Guandong Xu , Longbing Cao

Due to the costliness of labelled data in real-world applications, semi-supervised learning, underpinned by pseudo labelling, is an appealing solution. However, handling confusing samples is nontrivial: discarding valuable confusing samples…

计算机视觉与模式识别 · 计算机科学 2024-02-13 Changrui Chen , Jungong Han , Kurt Debattista

Self-supervised learning holds promise in leveraging large amounts of unlabeled data, however much of its progress has thus far been limited to highly curated pre-training data such as ImageNet. We explore the effects of contrastive…

计算机视觉与模式识别 · 计算机科学 2021-05-18 Yonglong Tian , Olivier J. Henaff , Aaron van den Oord

Contrastive learning has revolutionized the field of computer vision, learning rich representations from unlabeled data, which generalize well to diverse vision tasks. Consequently, it has become increasingly important to explain these…

计算机视觉与模式识别 · 计算机科学 2023-12-15 Fawaz Sammani , Boris Joukovsky , Nikos Deligiannis

We witnessed a massive growth in the supervised learning paradigm in the past decade. Supervised learning requires a large amount of labeled data to reach state-of-the-art performance. However, labeling the samples requires a lot of human…

计算机视觉与模式识别 · 计算机科学 2021-11-04 Mrinal Anand , Aditya Garg

Self-Supervised Learning (SSL) surmises that inputs and pairwise positive relationships are enough to learn meaningful representations. Although SSL has recently reached a milestone: outperforming supervised methods in many modalities\dots…

机器学习 · 计算机科学 2022-06-13 Randall Balestriero , Yann LeCun

Existed pre-trained models have achieved state-of-the-art performance on various text classification tasks. These models have proven to be useful in learning universal language representations. However, the semantic discrepancy between…

机器学习 · 计算机科学 2022-01-07 Jinhe Lan , Qingyuan Zhan , Chenhao Jiang , Kunping Yuan , Desheng Wang

Supervised learning for semantic segmentation requires a large number of labeled samples, which is difficult to obtain in the field of remote sensing. Self-supervised learning (SSL), can be used to solve such problems by pre-training a…

计算机视觉与模式识别 · 计算机科学 2022-02-01 Haifeng Li , Yi Li , Guo Zhang , Ruoyun Liu , Haozhe Huang , Qing Zhu , Chao Tao

The remarkable success of today's deep neural networks highly depends on a massive number of correctly labeled data. However, it is rather costly to obtain high-quality human-labeled data, leading to the active research area of training…

机器学习 · 计算机科学 2020-11-04 Jiacheng Wang , Yue Ma , Shuang Gao

We investigate the utility of pretraining by contrastive self supervised learning on both natural-scene and medical imaging datasets when the unlabeled dataset size is small, or when the diversity within the unlabeled set does not lead to…

图像与视频处理 · 电气工程与系统科学 2021-09-07 Ozan Ciga , Tony Xu , Anne L. Martel

Under partial-label learning (PLL) where, for each training instance, only a set of ambiguous candidate labels containing the unknown true label is accessible, contrastive learning has recently boosted the performance of PLL on vision…

计算机视觉与模式识别 · 计算机科学 2023-05-11 Shiyu Xia , Jiaqi Lv , Ning Xu , Gang Niu , Xin Geng

Multi-label image classification presents a challenging task in many domains, including computer vision and medical imaging. Recent advancements have introduced graph-based and transformer-based methods to improve performance and capture…

计算机视觉与模式识别 · 计算机科学 2024-04-15 Ahmad Sajedi , Samir Khaki , Yuri A. Lawryshyn , Konstantinos N. Plataniotis

One-stage object detectors such as the YOLO family achieve state-of-the-art performance in real-time vision applications but remain heavily reliant on large-scale labeled datasets for training. In this work, we present a systematic study of…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Manikanta Kotthapalli , Reshma Bhatia , Nainsi Jain

Anomaly detection aims at identifying deviant samples from the normal data distribution. Contrastive learning has provided a successful way to sample representation that enables effective discrimination on anomalies. However, when…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Gaoang Wang , Yibing Zhan , Xinchao Wang , Mingli Song , Klara Nahrstedt

Unsupervised disentanglement is a long-standing challenge in representation learning. Recently, self-supervised techniques achieved impressive results in the sequential setting, where data is time-dependent. However, the latter methods…

机器学习 · 计算机科学 2023-05-26 Ilan Naiman , Nimrod Berman , Omri Azencot

In this work, we address the problem of unsupervised domain adaptation for person re-ID where annotations are available for the source domain but not for target. Previous methods typically follow a two-stage optimization pipeline, where the…

计算机视觉与模式识别 · 计算机科学 2021-08-17 Takashi Isobe , Dong Li , Lu Tian , Weihua Chen , Yi Shan , Shengjin Wang

Time-series representation learning can extract representations from data with temporal dynamics and sparse labels. When labeled data are sparse but unlabeled data are abundant, contrastive learning, i.e., a framework to learn a latent…

机器学习 · 计算机科学 2023-03-03 Heejeong Choi , Pilsung Kang

Unsupervised Domain Adaptation (UDA) aims to align the labeled source distribution with the unlabeled target distribution to obtain domain invariant predictive models. However, the application of well-known UDA approaches does not…

计算机视觉与模式识别 · 计算机科学 2021-11-11 Ankit Singh