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Related papers: Temporal Contrastive Learning with Curriculum

200 papers

Contrastive learning is a family of self-supervised methods where a model is trained to solve a classification task constructed from unlabeled data. It has recently emerged as one of the leading learning paradigms in the absence of labels…

Machine Learning · Statistics 2021-03-05 Bingbin Liu , Pradeep Ravikumar , Andrej Risteski

Temporal grounding, which localizes video moments related to a natural language query, is a core problem of vision-language learning and video understanding. To encode video moments of varying lengths, recent methods employ a multi-level…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Thong Thanh Nguyen , Yi Bin , Xiaobao Wu , Zhiyuan Hu , Cong-Duy T Nguyen , See-Kiong Ng , Anh Tuan Luu

Generated video scenes for action-centric sequence descriptions, such as recipe instructions and do-it-yourself projects, often include non-linear patterns, where the next video may need to be visually consistent not with the immediately…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Vasco Ramos , Yonatan Bitton , Michal Yarom , Idan Szpektor , Joao Magalhaes

Reinforcement Learning (RL) is crucial for empowering VideoLLMs with complex spatiotemporal reasoning. However, current RL paradigms predominantly rely on random data shuffling or naive curriculum strategies based on scalar difficulty…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Hongbo Jin , Kuanwei Lin , Wenhao Zhang , Yichen Jin , Ge Li

Video object segmentation can be understood as a sequence-to-sequence task that can benefit from the curriculum learning strategies for better and faster training of deep neural networks. This work explores different schedule sampling and…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Maria Gonzalez-i-Calabuig , Carles Ventura , Xavier Giró-i-Nieto

Contrastive language-audio pretraining~(CLAP) has been developed to align the representations of audio and language, achieving remarkable performance in retrieval and classification tasks. However, current CLAP struggles to capture temporal…

Sound · Computer Science 2024-04-30 Yi Yuan , Zhuo Chen , Xubo Liu , Haohe Liu , Xuenan Xu , Dongya Jia , Yuanzhe Chen , Mark D. Plumbley , Wenwu Wang

The success of Transformer-based models has encouraged many researchers to learn CAD models using sequence-based approaches. However, learning CAD models is still a challenge, because they can be represented as complex shapes with long…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Minseop Jung , Minseong Kim , Jibum Kim

Contrastive learning has emerged as a powerful technique in audio-visual representation learning, leveraging the natural co-occurrence of audio and visual modalities in webscale video datasets. However, conventional contrastive audio-visual…

Sound · Computer Science 2025-03-18 Ioannis Tsiamas , Santiago Pascual , Chunghsin Yeh , Joan Serrà

This paper presents TCE: Temporally Coherent Embeddings for self-supervised video representation learning. The proposed method exploits inherent structure of unlabeled video data to explicitly enforce temporal coherency in the embedding…

Computer Vision and Pattern Recognition · Computer Science 2020-11-18 Joshua Knights , Ben Harwood , Daniel Ward , Anthony Vanderkop , Olivia Mackenzie-Ross , Peyman Moghadam

In this paper, we re-examine the task of cross-modal clip-sentence retrieval, where the clip is part of a longer untrimmed video. When the clip is short or visually ambiguous, knowledge of its local temporal context (i.e. surrounding video…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Adriano Fragomeni , Michael Wray , Dima Damen

Cross-modal retrieval (CMR) has been extensively applied in various domains, such as multimedia search engines and recommendation systems. Most existing CMR methods focus on image-to-text retrieval, whereas audio-to-text retrieval, a less…

Sound · Computer Science 2023-09-19 Kaiyi Luo , Xulong Zhang , Jianzong Wang , Huaxiong Li , Ning Cheng , Jing Xiao

We consider the problem of obtaining image quality representations in a self-supervised manner. We use prediction of distortion type and degree as an auxiliary task to learn features from an unlabeled image dataset containing a mixture of…

Computer Vision and Pattern Recognition · Computer Science 2022-06-30 Pavan C. Madhusudana , Neil Birkbeck , Yilin Wang , Balu Adsumilli , Alan C. Bovik

With the rapid development of time-domain surveys, the availability of massive light curve data offers new opportunities for studying stellar evolution and variable star classification, while simultaneously posing challenges for feature…

Solar and Stellar Astrophysics · Physics 2026-04-28 Junyao Ding , Xiaodian Chen , Xinyi Gao , Xiaoyu Tang , Shu Wang , Yang Huang , Xinyu Qi , Guirong Xue , Ali Luo , Jifeng Liu

Traditional video compression technologies have been developed over decades in pursuit of higher coding efficiency. Efficient temporal information representation plays a key role in video coding. Thus, in this paper, we propose to exploit…

Image and Video Processing · Electrical Eng. & Systems 2019-12-16 Haojie Liu , Han shen , Lichao Huang , Ming Lu , Tong Chen , Zhan Ma

Recent work learns contextual representations of source code by reconstructing tokens from their context. For downstream semantic understanding tasks like summarizing code in English, these representations should ideally capture program…

Machine Learning · Computer Science 2022-01-10 Paras Jain , Ajay Jain , Tianjun Zhang , Pieter Abbeel , Joseph E. Gonzalez , Ion Stoica

Unsupervised learning of latent motion from Internet videos is crucial for robot learning. Existing discrete methods generally mitigate the shortcut learning caused by extracting excessive static backgrounds through vector quantization with…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Jiange Yang , Yansong Shi , Haoyi Zhu , Mingyu Liu , Kaijing Ma , Yating Wang , Gangshan Wu , Tong He , Limin Wang

Curriculum learning techniques are a viable solution for improving the accuracy of automatic models, by replacing the traditional random training with an easy-to-hard strategy. However, the standard curriculum methodology does not…

Computer Vision and Pattern Recognition · Computer Science 2020-09-23 Petru Soviany

Recent advances in unsupervised representation learning significantly improved the sample efficiency of training Reinforcement Learning policies in simulated environments. However, similar gains have not yet been seen for real-robot…

Robotics · Computer Science 2022-10-18 Albert Zhan , Ruihan Zhao , Lerrel Pinto , Pieter Abbeel , Michael Laskin

In low-level video analyses, effective representations are important to derive the correspondences between video frames. These representations have been learned in a self-supervised fashion from unlabeled images or videos, using carefully…

Computer Vision and Pattern Recognition · Computer Science 2023-06-23 Rui Li , Dong Liu

Learning scientific document representations can be substantially improved through contrastive learning objectives, where the challenge lies in creating positive and negative training samples that encode the desired similarity semantics.…

Computation and Language · Computer Science 2022-10-20 Malte Ostendorff , Nils Rethmeier , Isabelle Augenstein , Bela Gipp , Georg Rehm