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Fine-grained visual classification (FGVC) involves categorizing fine subdivisions within a broader category, which poses challenges due to subtle inter-class discrepancies and large intra-class variations. However, prevailing approaches…

计算机视觉与模式识别 · 计算机科学 2023-12-14 Xin Jiang , Hao Tang , Junyao Gao , Xiaoyu Du , Shengfeng He , Zechao Li

Training a large-scale deep neural network in a large-scale dataset is challenging and time-consuming. The recent breakthrough of large-batch optimization is a promising way to tackle this challenge. However, although the current advanced…

计算机视觉与模式识别 · 计算机科学 2022-10-21 Zeyue Xue , Jianming Liang , Guanglu Song , Zhuofan Zong , Liang Chen , Yu Liu , Ping Luo

The aim of audio-visual segmentation (AVS) is to precisely differentiate audible objects within videos down to the pixel level. Traditional approaches often tackle this challenge by combining information from various modalities, where the…

计算机视觉与模式识别 · 计算机科学 2023-12-20 Dawei Hao , Yuxin Mao , Bowen He , Xiaodong Han , Yuchao Dai , Yiran Zhong

Audio-Visual Segmentation (AVS) aims to identify and segment sound-producing objects in videos by leveraging both visual and audio modalities. It has emerged as a significant research area in multimodal perception, enabling fine-grained…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Jia Li , Yapeng Tian

Audio-visual learning helps to comprehensively understand the world by fusing practical information from multiple modalities. However, recent studies show that the imbalanced optimization of uni-modal encoders in a joint-learning model is a…

声音 · 计算机科学 2023-03-14 Ruize Xu , Ruoxuan Feng , Shi-Xiong Zhang , Di Hu

Multimodal learning often encounters the under-optimized problem and may have worse performance than unimodal learning. Existing methods attribute this problem to the imbalanced learning between modalities and rebalance them through…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Shicai Wei , Chunbo Luo , Yang Luo

The underlying correlation between audio and visual modalities can be utilized to learn supervised information for unlabeled videos. In this paper, we propose an end-to-end self-supervised framework named Audio-Visual Contrastive Learning…

计算机视觉与模式识别 · 计算机科学 2023-03-21 Yang Liu , Ying Tan , Haoyuan Lan

Audio-Visual Question Answering (AVQA) requires models to effectively utilize both visual and auditory modalities to answer complex and diverse questions about audio-visual scenes. However, existing methods lack sufficient flexibility and…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Jiayu Zhang , Shuo Ye , Qilang Ye , Xun Lin , Zihan Song , Zitong Yu

Image-level weakly supervised semantic segmentation (WSSS) is a fundamental yet challenging computer vision task facilitating scene understanding and automatic driving. Most existing methods resort to classification-based Class Activation…

计算机视觉与模式识别 · 计算机科学 2021-12-17 Jie Qin , Jie Wu , Xuefeng Xiao , Lujun Li , Xingang Wang

Multimodal video understanding plays a crucial role in tasks such as action recognition and emotion classification by combining information from different modalities. However, multimodal models are prone to overfitting strong modalities,…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Xiaoyu Ma , Ding Ding , Hao Chen

Self-supervised pre-training recently demonstrates success on large-scale multimodal data, and state-of-the-art contrastive learning methods often enforce the feature consistency from cross-modality inputs, such as video/audio or video/text…

计算机视觉与模式识别 · 计算机科学 2022-11-07 Junru Wu , Yi Liang , Feng Han , Hassan Akbari , Zhangyang Wang , Cong Yu

Weakly supervised multimodal video anomaly detection has gained significant attention, yet the potential of the text modality remains under-explored. Text provides explicit semantic information that can enhance anomaly characterization and…

计算机视觉与模式识别 · 计算机科学 2026-02-12 Shengyang Sun , Jiashen Hua , Junyi Feng , Xiaojin Gong

In multimodal learning, dominant modalities often overshadow others, limiting generalization. We propose Modality-Aware Sharpness-Aware Minimization (M-SAM), a model-agnostic framework that applies to many modalities and supports early and…

计算机视觉与模式识别 · 计算机科学 2025-10-30 Hossein R. Nowdeh , Jie Ji , Xiaolong Ma , Fatemeh Afghah

Valence-arousal (VA) estimation is crucial for capturing the nuanced nature of human emotions in naturalistic environments. While pre-trained Vision-Language models like CLIP have shown remarkable semantic alignment capabilities, their…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Byeongjin Jung , Chanyeong Park , Sejoon Lim

Weakly supervised multimodal violence detection aims to learn a violence detection model by leveraging multiple modalities such as RGB, optical flow, and audio, while only video-level annotations are available. In the pursuit of effective…

计算机视觉与模式识别 · 计算机科学 2024-05-09 Shengyang Sun , Xiaojin Gong

The imbalance problem is widespread in the field of machine learning, which also exists in multimodal learning areas caused by the intrinsic discrepancy between modalities of samples. Recent works have attempted to solve the modality…

机器学习 · 计算机科学 2023-06-09 Wenke Xia , Xu Zhao , Xincheng Pang , Changqing Zhang , Di Hu

Learning from multiple modalities often suffers from imbalance, where information-rich modalities dominate optimization while weaker or partially missing modalities contribute less. This imbalance becomes severe in realistic settings with…

计算机视觉与模式识别 · 计算机科学 2026-03-23 Phuong-Anh Nguyen , Tien Anh Pham , Duc-Trong Le , Cam-Van Thi Nguyen

Recently, prompt learning has garnered considerable attention for its success in various Vision-Language (VL) tasks. However, existing prompt-based models are primarily focused on studying prompt generation and prompt strategies with…

人工智能 · 计算机科学 2024-09-10 Ruiting Dai , Yuqiao Tan , Lisi Mo , Tao He , Ke Qin , Shuang Liang

Multi-view learning primarily aims to fuse multiple features to describe data comprehensively. Most prior studies implicitly assume that different views share similar dimensions. In practice, however, severe dimensional disparities often…

机器学习 · 计算机科学 2026-04-01 Cai Xu , Changhao Sun , Ziyu Guan , Wei Zhao

Understanding dynamic scenes and dialogue contexts in order to converse with users has been challenging for multimodal dialogue systems. The 8-th Dialog System Technology Challenge (DSTC8) proposed an Audio Visual Scene-Aware Dialog (AVSD)…

计算与语言 · 计算机科学 2020-01-20 Yun-Wei Chu , Kuan-Yen Lin , Chao-Chun Hsu , Lun-Wei Ku