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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…

机器学习 · 统计学 2021-03-05 Bingbin Liu , Pradeep Ravikumar , Andrej Risteski

Vision-language models trained on large, randomly collected data had significant impact in many areas since they appeared. But as they show great performance in various fields, such as image-text-retrieval, their inner workings are still…

计算机视觉与模式识别 · 计算机科学 2022-09-15 Felix Vogel , Nina Shvetsova , Leonid Karlinsky , Hilde Kuehne

This paper proposes a novel Zero-Shot Action Recognition~(ZSAR) method based on contrastive learning. In ZSAR, we aim to classify examples from classes that were missing during training. Two well-known problems remain in ZSAR: the semantic…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Valter Estevam , Rayson Laroca , Helio Pedrini , David Menotti

Contrastive Language-Audio Pretraining (CLAP) is pre-trained to associate audio features with human language, making it a natural zero-shot classifier to recognize unseen sound categories. To adapt CLAP to downstream tasks, prior works…

音频与语音处理 · 电气工程与系统科学 2023-09-18 Yiming Li , Xiangdong Wang , Hong Liu

Contrastive self-supervised learning has outperformed supervised pretraining on many downstream tasks like segmentation and object detection. However, current methods are still primarily applied to curated datasets like ImageNet. In this…

计算机视觉与模式识别 · 计算机科学 2021-12-15 Wouter Van Gansbeke , Simon Vandenhende , Stamatios Georgoulis , Luc Van Gool

Lyrics alignment gained considerable attention in recent years. State-of-the-art systems either re-use established speech recognition toolkits, or design end-to-end solutions involving a Connectionist Temporal Classification (CTC) loss.…

声音 · 计算机科学 2023-06-14 Simon Durand , Daniel Stoller , Sebastian Ewert

Recent approaches have shown that training deep neural networks directly on large-scale image-text pair collections enables zero-shot transfer on various recognition tasks. One central issue is how this can be generalized to object…

计算机视觉与模式识别 · 计算机科学 2022-08-30 Johnathan Xie , Shuai Zheng

Contrastive self-supervised learning methods famously produce high quality transferable representations by learning invariances to different data augmentations. Invariances established during pre-training can be interpreted as strong…

计算机视觉与模式识别 · 计算机科学 2023-04-05 Ruchika Chavhan , Henry Gouk , Jan Stuehmer , Calum Heggan , Mehrdad Yaghoobi , Timothy Hospedales

We develop an approach to learning visual representations that embraces multimodal data, driven by a combination of intra- and inter-modal similarity preservation objectives. Unlike existing visual pre-training methods, which solve a proxy…

计算机视觉与模式识别 · 计算机科学 2021-04-28 Xin Yuan , Zhe Lin , Jason Kuen , Jianming Zhang , Yilin Wang , Michael Maire , Ajinkya Kale , Baldo Faieta

Compositional Zero-Shot Learning (CZSL) aims to recognize novel compositions using knowledge learned from seen attribute-object compositions in the training set. Previous works mainly project an image and a composition into a common…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Tian Zhang , Kongming Liang , Ruoyi Du , Xian Sun , Zhanyu Ma , Jun Guo

There has been a recent spike in interest in multi-modal Language and Vision problems. On the language side, most of these models primarily focus on English since most multi-modal datasets are monolingual. We try to bridge this gap with a…

机器学习 · 计算机科学 2021-09-17 Pranav Aggarwal , Ritiz Tambi , Ajinkya Kale

Contrastive learning is a highly effective method for learning representations from unlabeled data. Recent works show that contrastive representations can transfer across domains, leading to simple state-of-the-art algorithms for…

机器学习 · 计算机科学 2022-05-25 Jeff Z. HaoChen , Colin Wei , Ananya Kumar , Tengyu Ma

Deep learning models have achieved great success on various vision challenges, but a well-trained model would face drastic performance degradation when applied to unseen data. Since the model is sensitive to domain shift, unsupervised…

计算机视觉与模式识别 · 计算机科学 2025-10-24 Ziyu Ye , Chen Ju , Chaofan Ma , Xiaoyun Zhang

We present a new approach to perform zero-shot cross-modal transfer between speech and text for translation tasks. Multilingual speech and text are encoded in a joint fixed-size representation space. Then, we compare different approaches to…

计算与语言 · 计算机科学 2022-11-11 Paul-Ambroise Duquenne , Hongyu Gong , Benoît Sagot , Holger Schwenk

The many-to-many multilingual neural machine translation can translate between language pairs unseen during training, i.e., zero-shot translation. Improving zero-shot translation requires the model to learn universal representations and…

计算与语言 · 计算机科学 2022-10-31 Shuhao Gu , Yang Feng

From the beginning of zero-shot learning research, visual attributes have been shown to play an important role. In order to better transfer attribute-based knowledge from known to unknown classes, we argue that an image representation with…

计算机视觉与模式识别 · 计算机科学 2021-05-07 Wenjia Xu , Yongqin Xian , Jiuniu Wang , Bernt Schiele , Zeynep Akata

Due to the lack of properly annotated medical data, exploring the generalization capability of the deep model is becoming a public concern. Zero-shot learning (ZSL) has emerged in recent years to equip the deep model with the ability to…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Cheng Bian , Chenglang Yuan , Kai Ma , Shuang Yu , Dong Wei , Yefeng Zheng

Despite the great success of spoken language understanding (SLU) in high-resource languages, it remains challenging in low-resource languages mainly due to the lack of labeled training data. The recent multilingual code-switching approach…

计算与语言 · 计算机科学 2022-10-26 Shining Liang , Linjun Shou , Jian Pei , Ming Gong , Wanli Zuo , Xianglin Zuo , Daxin Jiang

Contrastive learning is emerging as a powerful technique for extracting knowledge from unlabeled data. This technique requires a balanced mixture of two ingredients: positive (similar) and negative (dissimilar) samples. This is typically…

计算与语言 · 计算机科学 2022-03-17 Rui Cao , Yihao Wang , Yuxin Liang , Ling Gao , Jie Zheng , Jie Ren , Zheng Wang

Zero-shot learning (ZSL) aims to transfer knowledge from seen classes to unseen ones so that the latter can be recognised without any training samples. This is made possible by learning a projection function between a feature space and a…

计算机视觉与模式识别 · 计算机科学 2018-10-22 Aoxue Li , Zhiwu Lu , Jiechao Guan , Tao Xiang , Liwei Wang , Ji-Rong Wen