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相关论文: Neural-MCRL: Neural Multimodal Contrastive Represe…

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Low-cost cross-modal representation learning is crucial for deriving semantic representations across diverse modalities such as text, audio, images, and video. Traditional approaches typically depend on large specialized models trained from…

机器学习 · 计算机科学 2024-09-10 Bilal Faye , Hanane Azzag , Mustapha Lebbah , Djamel Bouchaffra

Visual decoding from brain signals is a key challenge at the intersection of computer vision and neuroscience, requiring methods that bridge neural representations and computational models of vision. A field-wide goal is to achieve…

Molecular Representation Learning (MRL) has proven impactful in numerous biochemical applications such as drug discovery and enzyme design. While Graph Neural Networks (GNNs) are effective at learning molecular representations from a 2D…

Decoding visual stimuli from neural responses recorded by functional Magnetic Resonance Imaging (fMRI) presents an intriguing intersection between cognitive neuroscience and machine learning, promising advancements in understanding human…

计算机视觉与模式识别 · 计算机科学 2023-12-29 Jingyuan Sun , Mingxiao Li , Zijiao Chen , Yunhao Zhang , Shaonan Wang , Marie-Francine Moens

Investigating the mapping between visual stimuli and neural responses in the visual cortex contributes to a deeper understanding of biological visual processing mechanisms. Most existing studies characterize this mapping by training models…

计算工程、金融与科学 · 计算机科学 2025-12-01 Xing Gao , Dazhong Rong , Qinming He

We address prevailing challenges of the brain-powered research, departing from the observation that the literature hardly recover accurate spatial information and require subject-specific models. To address these challenges, we propose…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Weihao Xia , Raoul de Charette , Cengiz Öztireli , Jing-Hao Xue

Cross-modal medical image-report retrieval task plays a significant role in clinical diagnosis and various medical generative tasks. Eliminating heterogeneity between different modalities to enhance semantic consistency is the key challenge…

计算机视觉与模式识别 · 计算机科学 2025-05-21 Zeqiang Wei , Kai Jin , Xiuzhuang Zhou

Contrastive learning has achieved great success in skeleton-based representation learning recently. However, the prevailing methods are predominantly negative-based, necessitating additional momentum encoder and memory bank to get negative…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Wanjiang Weng , Hongsong Wang , Junbo Wang , Lei He , Guosen Xie

Neuroimaging techniques including functional magnetic resonance imaging (fMRI) and electroencephalogram (EEG) have shown promise in detecting functional abnormalities in various brain disorders. However, existing studies often focus on a…

图像与视频处理 · 电气工程与系统科学 2024-10-01 Xinxu Wei , Kanhao Zhao , Yong Jiao , Nancy B. Carlisle , Hua Xie , Gregory A. Fonzo , Yu Zhang

Visual decoding from electroencephalography (EEG) has emerged as a highly promising avenue for non-invasive brain-computer interfaces (BCIs). Existing EEG-based decoding methods predominantly align brain signals with the final-layer…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Jingyi Tang , Shuai Jiang , Fei Su , Zhicheng Zhao

Multimodal Contrastive Learning (MCL) advances in aligning different modalities and generating multimodal representations in a joint space. By leveraging contrastive learning across diverse modalities, large-scale multimodal data enhances…

机器学习 · 计算机科学 2025-09-23 Xiaohao Liu , Xiaobo Xia , See-Kiong Ng , Tat-Seng Chua

Multi-modal Contrastive Representation learning aims to encode different modalities into a semantically aligned shared space. This paradigm shows remarkable generalization ability on numerous downstream tasks across various modalities.…

机器学习 · 计算机科学 2023-10-20 Zehan Wang , Yang Zhao , Xize Cheng , Haifeng Huang , Jiageng Liu , Li Tang , Linjun Li , Yongqi Wang , Aoxiong Yin , Ziang Zhang , Zhou Zhao

Deriving multimodal representations of audio and lexical inputs is a central problem in Natural Language Understanding (NLU). In this paper, we present Contrastive Aligned Audio-Language Multirate and Multimodal Representations (CALM), an…

音频与语音处理 · 电气工程与系统科学 2022-02-09 Vin Sachidananda , Shao-Yen Tseng , Erik Marchi , Sachin Kajarekar , Panayiotis Georgiou

In this work, we present Multi-Level Contrastive Learning for Dense Prediction Task (MCL), an efficient self-supervised method for learning region-level feature representation for dense prediction tasks. Our method is motivated by the three…

计算机视觉与模式识别 · 计算机科学 2023-04-05 Qiushan Guo , Yizhou Yu , Yi Jiang , Jiannan Wu , Zehuan Yuan , Ping Luo

Neurophysiological decoding, fundamental to advancing brain-computer interface (BCI) technologies, has significantly benefited from recent advances in deep learning. However, existing decoding approaches largely remain constrained to…

信号处理 · 电气工程与系统科学 2025-08-07 Di Wu , Yifei Jia , Siyuan Li , Shiqi Zhao , Jie Yang , Mohamad Sawan

Graph representation learning has attracted a surge of interest recently, whose target at learning discriminant embedding for each node in the graph. Most of these representation methods focus on supervised learning and heavily depend on…

机器学习 · 计算机科学 2021-07-07 Pengpeng Shao , Tong Liu , Dawei Zhang , Jianhua Tao , Feihu Che , Guohua Yang

Learning self-supervised representations using reconstruction or contrastive losses improves performance and sample complexity of image-based and multimodal reinforcement learning (RL). Here, different self-supervised loss functions have…

机器学习 · 计算机科学 2024-06-27 Philipp Becker , Sebastian Mossburger , Fabian Otto , Gerhard Neumann

We propose a unified deep meta-learning framework for accelerated magnetic resonance imaging (MRI) that jointly addresses multi-coil reconstruction and cross-modality synthesis. Motivated by the limitations of conventional methods in…

最优化与控制 · 数学 2026-03-10 Merham Fouladvand , Peuroly Batra

Recent multimodal embedding approaches leveraging multimodal large language models (MLLMs) fine-tuned with contrastive learning (CL) have shown promising results, yet the underlying reasons behind their superiority remain underexplored.…

计算与语言 · 计算机科学 2025-10-14 Chenghao Xiao , Hou Pong Chan , Hao Zhang , Weiwen Xu , Mahani Aljunied , Yu Rong

Multi-modal contrastive representation (MCR) of more than three modalities is critical in multi-modal learning. Although recent methods showcase impressive achievements, the high dependence on large-scale, high-quality paired data and the…

计算机视觉与模式识别 · 计算机科学 2023-10-16 Zehan Wang , Ziang Zhang , Luping Liu , Yang Zhao , Haifeng Huang , Tao Jin , Zhou Zhao