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Multimodal models like LLaVA-1.5 achieve state-of-the-art visual understanding through visual instruction tuning on multitask datasets, enabling strong instruction-following and multimodal performance. However, multitask learning faces…

计算机视觉与模式识别 · 计算机科学 2025-06-16 Wenzhuo Liu , Fei Zhu , Haiyang Guo , Longhui Wei , Cheng-Lin Liu

Multi-behavior recommendation (MBR) aims to jointly consider multiple behaviors to improve the target behavior's performance. We argue that MBR models should: (1) model the coarse-grained commonalities between different behaviors of a user,…

信息检索 · 计算机科学 2022-03-22 Yiqing Wu , Ruobing Xie , Yongchun Zhu , Xiang Ao , Xin Chen , Xu Zhang , Fuzhen Zhuang , Leyu Lin , Qing He

Multimodal learning seeks to integrate information from heterogeneous sources, where signals may be shared across modalities, specific to individual modalities, or emerge only through their interaction. While self-supervised multimodal…

机器学习 · 计算机科学 2026-02-17 Carolin Cissee , Raneen Younis , Zahra Ahmadi

Large language models (LLMs) exhibit persistent miscalibration, especially after instruction tuning and preference alignment. Modified training objectives can improve calibration, but retraining is expensive. Inference-time steering offers…

机器学习 · 计算机科学 2026-02-06 Miranda Muqing Miao , Young-Min Cho , Lyle Ungar

Medical vision-language models show strong potential for joint reasoning over medical images and clinical text, but their performance often degrades under domain shift caused by variations in imaging devices, acquisition protocols, and…

机器学习 · 计算机科学 2026-02-23 Melika Filvantorkaman , Mohsen Piri

Contrastive learning (CL) aims to learn useful representation without relying on expert annotations in the context of medical image segmentation. Existing approaches mainly contrast a single positive vector (i.e., an augmentation of the…

计算机视觉与模式识别 · 计算机科学 2022-03-08 Chenyu You , Ruihan Zhao , Lawrence Staib , James S. Duncan

Multimodal learning (MML) aims to jointly exploit the common priors of different modalities to compensate for their inherent limitations. However, existing MML methods often optimize a uniform objective for different modalities, leading to…

机器学习 · 计算机科学 2022-11-15 Yunfeng Fan , Wenchao Xu , Haozhao Wang , Junxiao Wang , Song Guo

Purpose: This work aims at developing a generalizable MRI reconstruction model in the meta-learning framework. The standard benchmarks in meta-learning are challenged by learning on diverse task distributions. The proposed network learns…

计算机视觉与模式识别 · 计算机科学 2021-10-05 Wanyu Bian , Yunmei Chen , Xiaojing Ye , Qingchao Zhang

The Contrastive Language-Image Pre-training (CLIP) framework has become a widely used approach for multimodal representation learning, particularly in image-text retrieval and clustering. However, its efficacy is constrained by three key…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Tiancheng Gu , Kaicheng Yang , Ziyong Feng , Xingjun Wang , Yanzhao Zhang , Dingkun Long , Yingda Chen , Weidong Cai , Jiankang Deng

The core of video-based visible-infrared person re-identification (VVI-ReID) lies in learning sequence-level modal-invariant representations across different modalities. Recent research tends to use modality-shared language prompts…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Xiaomei Yang , Xizhan Gao , Antai Liu , Kang Wei , Fa Zhu , Guang Feng , Xiaofeng Qu , Sijie Niu

Meta-learning has recently been an emerging data-efficient learning technique for various medical imaging operations and has helped advance contemporary deep learning models. Furthermore, meta-learning enhances the knowledge generalization…

图像与视频处理 · 电气工程与系统科学 2023-07-14 Sriprabha Ramanarayanan , Arun Palla , Keerthi Ram , Mohanasankar Sivaprakasam

Optical character recognition (OCR) and multilingual text understanding remain major failure modes of multimodal large language models (MLLMs), particularly in real-world images containing cluttered layouts, small fonts, blur, occlusion,…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Qinwu Xu , Yifan Jiang , Haoyu Ren

Most fine-grained fashion image retrieval (FIR) methods assume a static setting, requiring full retraining when new attributes appear, which is costly and impractical for dynamic scenarios. Although pretrained models support zero-shot…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Ling Xiao , Toshihiko Yamasaki

Continual learning (CL) aims to empower machine learning models to learn continually from new data, while building upon previously acquired knowledge without forgetting. As models have evolved from small to large pre-trained architectures,…

机器学习 · 计算机科学 2026-03-31 Dianzhi Yu , Xinni Zhang , Yankai Chen , Aiwei Liu , Yifei Zhang , Philip S. Yu , Irwin King

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

Real-life medical data is often multimodal and incomplete, fueling the growing need for advanced deep learning models capable of integrating them efficiently. The use of diverse modalities, including histopathology slides, MRI, and genetic…

人工智能 · 计算机科学 2024-10-02 Lucas Robinet , Ahmad Berjaoui , Ziad Kheil , Elizabeth Cohen-Jonathan Moyal

Modality representation learning is an important problem for multimodal sentiment analysis (MSA), since the highly distinguishable representations can contribute to improving the analysis effect. Previous works of MSA have usually focused…

多媒体 · 计算机科学 2023-01-31 Peipei Liu , Xin Zheng , Hong Li , Jie Liu , Yimo Ren , Hongsong Zhu , Limin Sun

Skeleton-based action recognition has garnered significant attention due to the utilization of concise and resilient skeletons. Nevertheless, the absence of detailed body information in skeletons restricts performance, while other…

计算机视觉与模式识别 · 计算机科学 2024-08-16 Jinfu Liu , Chen Chen , Mengyuan Liu

Cross-modal contrastive distillation has recently been explored for learning effective 3D representations. However, existing methods focus primarily on modality-shared features, neglecting the modality-specific features during the…

计算机视觉与模式识别 · 计算机科学 2026-03-20 Yifan Zhang , Junhui Hou

Multi-modal magnetic resonance imaging (MRI) is essential for providing complementary information about brain anatomy and pathology, leading to more accurate diagnoses. However, obtaining high-quality multi-modal MRI in a clinical setting…

图像与视频处理 · 电气工程与系统科学 2025-04-15 Minjoo Lim , Bogyeong Kang , Tae-Eui Kam