English
Related papers

Related papers: Instance Smoothed Contrastive Learning for Unsuper…

200 papers

Contrastive learning has been widely studied in sentence representation learning. However, earlier works mainly focus on the construction of positive examples, while in-batch samples are often simply treated as negative examples. This…

Computation and Language · Computer Science 2023-05-18 Jinghao Deng , Fanqi Wan , Tao Yang , Xiaojun Quan , Rui Wang

Massively multilingual sentence representation models, e.g., LASER, SBERT-distill, and LaBSE, help significantly improve cross-lingual downstream tasks. However, the use of a large amount of data or inefficient model architectures results…

Computation and Language · Computer Science 2024-05-31 Zhuoyuan Mao , Chenhui Chu , Sadao Kurohashi

Sentence embedding is a significant research topic in the field of natural language processing (NLP). Generating sentence embedding vectors reflecting the intrinsic meaning of a sentence is a key factor to achieve an enhanced performance in…

Computation and Language · Computer Science 2019-01-17 Myeongjun Jang , Pilsung Kang

Learning representations for individual instances when only bag-level labels are available is a fundamental challenge in multiple instance learning (MIL). Recent works have shown promising results using contrastive self-supervised learning…

Computer Vision and Pattern Recognition · Computer Science 2023-07-13 Kangning Liu , Weicheng Zhu , Yiqiu Shen , Sheng Liu , Narges Razavian , Krzysztof J. Geras , Carlos Fernandez-Granda

Contrastive learning applied to self-supervised representation learning has seen a resurgence in recent years, leading to state of the art performance in the unsupervised training of deep image models. Modern batch contrastive approaches…

Machine Learning · Computer Science 2021-03-12 Prannay Khosla , Piotr Teterwak , Chen Wang , Aaron Sarna , Yonglong Tian , Phillip Isola , Aaron Maschinot , Ce Liu , Dilip Krishnan

Recent methods for reinforcement learning from images use auxiliary tasks to learn image features that are used by the agent's policy or Q-function. In particular, methods based on contrastive learning that induce linearity of the latent…

Machine Learning · Computer Science 2022-03-04 Bang You , Oleg Arenz , Youping Chen , Jan Peters

In-Context Learning (ICL) allows Large Language Models (LLMs) to adapt to new tasks with just a few examples, but their predictions often suffer from systematic biases, leading to unstable performance in classification. While calibration…

Machine Learning · Statistics 2026-03-05 Korel Gundem , Juncheng Dong , Dennis Zhang , Vahid Tarokh , Zhengling Qi

How can we learn unified representations for spoken utterances and their written text? Learning similar representations for semantically similar speech and text is important for speech translation. To this end, we propose ConST, a…

Computation and Language · Computer Science 2022-05-06 Rong Ye , Mingxuan Wang , Lei Li

Considering the abundance of unlabeled speech data and the high labeling costs, unsupervised learning methods can be essential for better system development. One of the most successful methods is contrastive self-supervised methods, which…

Audio and Speech Processing · Electrical Eng. & Systems 2022-08-11 Jaejin Cho , Raghavendra Pappagari , Piotr Żelasko , Laureano Moro-Velazquez , Jesús Villalba , Najim Dehak

In this paper, we propose a genuine group-level contrastive visual representation learning method whose linear evaluation performance on ImageNet surpasses the vanilla supervised learning. Two mainstream unsupervised learning schemes are…

Computer Vision and Pattern Recognition · Computer Science 2022-07-14 Bo Pang , Yifan Zhang , Yaoyi Li , Jia Cai , Cewu Lu

We propose a self-supervised learning method for long text documents based on contrastive learning. A key to our method is Shuffle and Divide (SaD), a simple text augmentation algorithm that sets up a pretext task required for contrastive…

Computation and Language · Computer Science 2023-04-20 Joonseok Lee , Seongho Joe , Kyoungwon Park , Bogun Kim , Hoyoung Kang , Jaeseon Park , Youngjune Gwon

Contrastive learning is commonly used as a method of self-supervised learning with the "anchor" and "positive" being two random augmentations of a given input image, and the "negative" is the set of all other images. However, the…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Rishab Balasubramanian , Kunal Rathore

Visual-textual correlations in the attention maps derived from text-to-image diffusion models are proven beneficial to dense visual prediction tasks, e.g., semantic segmentation. However, a significant challenge arises due to the input…

Computer Vision and Pattern Recognition · Computer Science 2025-01-06 Jiayi Lin , Jiabo Huang , Jian Hu , Shaogang Gong

Contrastive learning has achieved remarkable success on various high-level tasks, but there are fewer contrastive learning-based methods proposed for low-level tasks. It is challenging to adopt vanilla contrastive learning technologies…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Gang Wu , Junjun Jiang , Xianming Liu

Sense embedding learning methods learn multiple vectors for a given ambiguous word, corresponding to its different word senses. For this purpose, different methods have been proposed in prior work on sense embedding learning that use…

Computation and Language · Computer Science 2023-05-31 Haochen Luo , Yi Zhou , Danushka Bollegala

Though language model text embeddings have revolutionized NLP research, their ability to capture high-level semantic information, such as relations between entities in text, is limited. In this paper, we propose a novel contrastive learning…

Computation and Language · Computer Science 2023-10-10 Christos Theodoropoulos , James Henderson , Andrei C. Coman , Marie-Francine Moens

Self-supervised learning has recently achieved great success in representation learning without human annotations. The dominant method -- that is contrastive learning, is generally based on instance discrimination tasks, i.e., individual…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Chen Feng , Ioannis Patras

Recent unsupervised approaches to domain adaptation primarily focus on minimizing the gap between the source and the target domains through refining the feature generator, in order to learn a better alignment between the two domains. This…

Machine Learning · Computer Science 2020-10-08 Shuyang Dai , Yu Cheng , Yizhe Zhang , Zhe Gan , Jingjing Liu , Lawrence Carin

We propose an unsupervised method to obtain cross-lingual embeddings without any parallel data or pre-trained word embeddings. The proposed model, which we call multilingual neural language models, takes sentences of multiple languages as…

Computation and Language · Computer Science 2018-09-10 Takashi Wada , Tomoharu Iwata

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
‹ Prev 1 8 9 10 Next ›