English
Related papers

Related papers: UMCL: Unimodal-generated Multimodal Contrastive Le…

200 papers

We propose the Uncertainty Contrastive Framework (UCF), a Positive-Unlabeled (PU) representation learning framework that integrates uncertainty-aware contrastive loss, adaptive temperature scaling, and a self-attention-guided LSTM encoder…

Machine Learning · Computer Science 2025-12-11 Elias Hossain , Umesh Biswas , Charan Gudla , Sai Phani Parsa

Feature quality is paramount for classification performance, particularly in few-shot scenarios. Contrastive learning, a widely adopted technique for enhancing feature quality, leverages sample relations to extract intrinsic features that…

Computer Vision and Pattern Recognition · Computer Science 2025-01-24 Guowei Yin , Sheng Huang , Luwen Huangfu , Yi Zhang , Xiaohong Zhang

We propose a new method to detect deepfake images using the cue of the source feature inconsistency within the forged images. It is based on the hypothesis that images' distinct source features can be preserved and extracted after going…

Computer Vision and Pattern Recognition · Computer Science 2021-07-28 Tianchen Zhao , Xiang Xu , Mingze Xu , Hui Ding , Yuanjun Xiong , Wei Xia

Multimodal federated learning (MFL) has emerged as a decentralized machine learning paradigm, allowing multiple clients with different modalities to collaborate on training a global model across diverse data sources without sharing their…

Machine Learning · Computer Science 2025-03-07 Huy Q. Le , Chu Myaet Thwal , Yu Qiao , Ye Lin Tun , Minh N. H. Nguyen , Eui-Nam Huh , Choong Seon Hong

Graphs serve as versatile data structures in numerous real-world domains-including social networks, molecular biology, and knowledge graphs-by capturing intricate relational information among entities. Among graph-based learning techniques,…

Machine Learning · Computer Science 2025-05-21 Chou-Ying Hsieh , Chun-Fu Jang , Cheng-En Hsieh , Qian-Hui Chen , Sy-Yen Kuo

Graph Contrastive Learning (GCL) is a widely adopted approach in self-supervised graph representation learning, applying contrastive objectives to produce effective representations. However, current GCL methods primarily focus on capturing…

Machine Learning · Computer Science 2025-07-11 Dongxiao He , Yongqi Huang , Jitao Zhao , Xiaobao Wang , Zhen Wang

Most video-and-language representation learning approaches employ contrastive learning, e.g., CLIP, to project the video and text features into a common latent space according to the semantic similarities of text-video pairs. However, such…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Peng Jin , Jinfa Huang , Fenglin Liu , Xian Wu , Shen Ge , Guoli Song , David A. Clifton , Jie Chen

Multimodal retrieval, which seeks to retrieve relevant content across modalities such as text or image, supports applications from AI search to contents production. Despite the success of separate-encoder approaches like CLIP align…

Computation and Language · Computer Science 2025-10-20 Qiyu Wu , Shuyang Cui , Satoshi Hayakawa , Wei-Yao Wang , Hiromi Wakaki , Yuki Mitsufuji

Multilinear Compressive Learning (MCL) is an efficient signal acquisition and learning paradigm for multidimensional signals. The level of signal compression affects the detection or classification performance of a MCL model, with higher…

Computer Vision and Pattern Recognition · Computer Science 2021-09-06 Dat Thanh Tran , Moncef Gabbouj , Alexandros Iosifidis

The Multimodal Large Language Models (MLLMs) are continually pre-trained on a mixture of image-text caption data and interleaved document data, while the high-quality data filtering towards image-text interleaved document data is…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Weizhi Wang , Rongmei Lin , Shiyang Li , Colin Lockard , Ritesh Sarkhel , Sanket Lokegaonkar , Jingbo Shang , Xifeng Yan , Nasser Zalmout , Xian Li

Multi-modal industrial anomaly detection typically relies on separate models for each product category, fundamentally limiting practical scalability. When shifting to a unified paradigm that handles diverse classes simultaneously, detection…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Yangchen Wu , Huiqiang Xie

Universal Multimodal embedding models built on Multimodal Large Language Models (MLLMs) have traditionally employed contrastive learning, which aligns representations of query-target pairs across different modalities. Yet, despite its…

Information Retrieval · Computer Science 2026-04-03 Geonmo Gu , Byeongho Heo , Jaemyung Yu , Jaehui Hwang , Taekyung Kim , Sangmin Lee , HeeJae Jun , Yoohoon Kang , Sangdoo Yun , Dongyoon Han

Compared with unimodal data, multimodal data can provide more features to help the model analyze the sentiment of data. Previous research works rarely consider token-level feature fusion, and few works explore learning the common features…

Computation and Language · Computer Science 2022-06-15 Zhen Li , Bing Xu , Conghui Zhu , Tiejun Zhao

Multimodal representation learning has been largely driven by contrastive models such as CLIP, which learn a shared embedding space by aligning paired image-text samples. While effective for general-purpose representation learning, such…

Machine Learning · Computer Science 2026-05-12 Yang Qiao , Yuntong Hu , Bowen Zhu , Hasibul Haque , Liang Zhao

Through minimization of an appropriate loss function such as the InfoNCE loss, contrastive learning (CL) learns a useful representation function by pulling positive samples close to each other while pushing negative samples far apart in the…

Machine Learning · Computer Science 2024-05-13 Ruijie Jiang , Thuan Nguyen , Prakash Ishwar , Shuchin Aeron

Semi-supervised semantic segmentation has attracted considerable attention for its ability to mitigate the reliance on extensive labeled data. However, existing consistency regularization methods only utilize high certain pixels with…

Computer Vision and Pattern Recognition · Computer Science 2024-12-25 Jianjian Yin , Yi Chen , Zhichao Zheng , Junsheng Zhou , Yanhui Gu

Medical image segmentation is a fundamental yet challenging task due to the arduous process of acquiring large volumes of high-quality labeled data from experts. Contrastive learning offers a promising but still problematic solution to this…

Computer Vision and Pattern Recognition · Computer Science 2025-02-14 Shuang Zeng , Lei Zhu , Xinliang Zhang , Micky C Nnamdi , Wenqi Shi , J Ben Tamo , Qian Chen , Hangzhou He , Lujia Jin , Zifeng Tian , Qiushi Ren , Zhaoheng Xie , Yanye Lu

Multiview clustering (MVC) aims to reveal the underlying structure of multiview data by categorizing data samples into clusters. Deep learning-based methods exhibit strong feature learning capabilities on large-scale datasets. For most…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Jie Chen , Hua Mao , Wai Lok Woo , Xi Peng

With the recent success of the pre-training technique for NLP and image-linguistic tasks, some video-linguistic pre-training works are gradually developed to improve video-text related downstream tasks. However, most of the existing…

Computer Vision and Pattern Recognition · Computer Science 2020-09-16 Huaishao Luo , Lei Ji , Botian Shi , Haoyang Huang , Nan Duan , Tianrui Li , Jason Li , Taroon Bharti , Ming Zhou

Speech Emotion Recognition (SER) in real-world scenarios remains challenging due to severe class imbalance and the prevalence of spontaneous, natural speech. While recent approaches leverage self-supervised learning (SSL) representations…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-26 Lucas H. Ueda , João G. T. Lima , Paula D. P. Costa