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Contrastive learning is a discriminative approach that aims at grouping similar samples closer and diverse samples far from each other. It it an efficient technique to train an encoder generating distinguishable and informative…

计算机视觉与模式识别 · 计算机科学 2021-07-19 Qing Chen , Jian Zhang

Hierarchical multi-label text classification (HMTC) aims at utilizing a label hierarchy in multi-label classification. Recent approaches to HMTC deal with the problem of imposing an over-constrained premise on the output space by using…

计算与语言 · 计算机科学 2024-06-21 Simon Yu , Jie He , Víctor Gutiérrez-Basulto , Jeff Z. Pan

The emoticons are symbolic representations that generally accompany the textual content to visually enhance or summarize the true intention of a written message. Although widely utilized in the realm of social media, the core semantics of…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Ananya Pandey , Dinesh Kumar Vishwakarma

In this work, we investigate an approach that relies on contrastive learning and music metadata as a weak source of supervision to train music representation models. Recent studies show that contrastive learning can be used with editorial…

We present SignCLIP, which re-purposes CLIP (Contrastive Language-Image Pretraining) to project spoken language text and sign language videos, two classes of natural languages of distinct modalities, into the same space. SignCLIP is an…

计算与语言 · 计算机科学 2024-10-08 Zifan Jiang , Gerard Sant , Amit Moryossef , Mathias Müller , Rico Sennrich , Sarah Ebling

Contrastive image-text models such as CLIP form the building blocks of many state-of-the-art systems. While they excel at recognizing common generic concepts, they still struggle on fine-grained entities which are rare, or even absent from…

计算机视觉与模式识别 · 计算机科学 2024-02-22 Ahmet Iscen , Mathilde Caron , Alireza Fathi , Cordelia Schmid

Multimodal contrastive learning is a methodology for linking different data modalities; the canonical example is linking image and text data. The methodology is typically framed as the identification of a set of encoders, one for each…

机器学习 · 统计学 2025-06-02 Ricardo Baptista , Andrew M. Stuart , Son Tran

Online tracking of multiple objects in videos requires strong capacity of modeling and matching object appearances. Previous methods for learning appearance embedding mostly rely on instance-level matching without considering the temporal…

计算机视觉与模式识别 · 计算机科学 2021-07-07 Wei Li , Yuanjun Xiong , Shuo Yang , Mingze Xu , Yongxin Wang , Wei Xia

Nowadays, customer's demands for E-commerce are more diversified, which introduces more complications to the product retrieval industry. Previous methods are either subject to single-modal input or perform supervised image-level product…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Xunlin Zhan , Yangxin Wu , Xiao Dong , Yunchao Wei , Minlong Lu , Yichi Zhang , Hang Xu , Xiaodan Liang

Recently, video recognition is emerging with the help of multi-modal learning, which focuses on integrating distinct modalities to improve the performance or robustness of the model. Although various multi-modal learning methods have been…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Haochen Han , Qinghua Zheng , Minnan Luo , Kaiyao Miao , Feng Tian , Yan Chen

Semi-supervised learning methods have shown promising results in solving many practical problems when only a few labels are available. The existing methods assume that the class distributions of labeled and unlabeled data are equal;…

机器学习 · 计算机科学 2024-08-06 Min Gu Kwak , Hyungu Kahng , Seoung Bum Kim

Contrastive Language Image Pre-training (CLIP) has recently demonstrated success across various tasks due to superior feature representation empowered by image-text contrastive learning. However, the instance discrimination method used by…

计算机视觉与模式识别 · 计算机科学 2024-11-07 Xiang An , Kaicheng Yang , Xiangzi Dai , Ziyong Feng , Jiankang Deng

Figuring out which objects or concepts words refer to is a central language learning challenge for young children. Most models of this process posit that children learn early object labels from co-occurrences of words and their referents…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Alvin Wei Ming Tan , Jane Yang , Tarun Sepuri , Khai Loong Aw , Robert Z. Sparks , Zi Yin , Virginia A. Marchman , Michael C. Frank , Bria Long

The rapid growth of visual content consumption across platforms necessitates automated video classification for age-suitability standards like the MPAA rating system (G, PG, PG-13, R). Traditional methods struggle with large labeled data…

计算机视觉与模式识别 · 计算机科学 2025-09-09 Dipta Neogi , Nourash Azmine Chowdhury , Muhammad Rafsan Kabir , Mohammad Ashrafuzzaman Khan

As growing usage of social media websites in the recent decades, the amount of news articles spreading online rapidly, resulting in an unprecedented scale of potentially fraudulent information. Although a plenty of studies have applied the…

机器学习 · 计算机科学 2023-04-21 Hao Chen , Peng Zheng , Xin Wang , Shu Hu , Bin Zhu , Jinrong Hu , Xi Wu , Siwei Lyu

Recent years have witnessed increasing interest in code representation learning, which aims to represent the semantics of source code into distributed vectors. Currently, various works have been proposed to represent the complex semantics…

编程语言 · 计算机科学 2022-05-05 Xin Wang , Yasheng Wang , Yao Wan , Jiawei Wang , Pingyi Zhou , Li Li , Hao Wu , Jin Liu

Multi-label classification, which involves assigning multiple labels to a single input, has emerged as a key area in both research and industry due to its wide-ranging applications. Designing effective loss functions is crucial for…

机器学习 · 计算机科学 2025-01-06 Alexandre Audibert , Aurélien Gauffre , Massih-Reza Amini

Self-supervised learning has been successfully applied to pre-train video representations, which aims at efficient adaptation from pre-training domain to downstream tasks. Existing approaches merely leverage contrastive loss to learn…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Yuanze Lin , Xun Guo , Yan Lu

Understanding vision and language representations of product content is vital for search and recommendation applications in e-commerce. As a backbone for online shopping platforms and inspired by the recent success in representation…

机器学习 · 计算机科学 2022-08-23 Wonyoung Shin , Jonghun Park , Taekang Woo , Yongwoo Cho , Kwangjin Oh , Hwanjun Song

Deep neural networks trained with standard cross-entropy loss memorize noisy labels, which degrades their performance. Most research to mitigate this memorization proposes new robust classification loss functions. Conversely, we propose a…

计算机视觉与模式识别 · 计算机科学 2021-03-19 Diego Ortego , Eric Arazo , Paul Albert , Noel E. O'Connor , Kevin McGuinness