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Visual Language Navigation (VLN) is a fundamental task within the field of Embodied AI, focusing on the ability of agents to navigate complex environments based on natural language instructions. Despite the progress made by existing…

计算机视觉与模式识别 · 计算机科学 2025-06-23 Ruoyu Wang , Tong Yu , Junda Wu , Yao Liu , Julian McAuley , Lina Yao

Video anomaly detection is well investigated in weakly-supervised and one-class classification (OCC) settings. However, unsupervised video anomaly detection methods are quite sparse, likely because anomalies are less frequent in occurrence…

计算机视觉与模式识别 · 计算机科学 2022-03-09 Muhammad Zaigham Zaheer , Arif Mahmood , Muhammad Haris Khan , Mattia Segu , Fisher Yu , Seung-Ik Lee

Video Quality Assessment (VQA) is vital for large-scale video retrieval systems, aimed at identifying quality issues to prioritize high-quality videos. In industrial systems, low-quality video characteristics fall into four categories:…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Hengzhu Tang , Zefeng Zhang , Zhiping Li , Zhenyu Zhang , Xing Wu , Li Gao , Suqi Cheng , Dawei Yin

Instruction-based video editing aims to modify an input video according to a natural-language instruction while preserving content fidelity and temporal coherence. However, existing diffusion-based approaches are often trained on paired…

计算机视觉与模式识别 · 计算机科学 2025-12-19 Xiaoyan Cong , Haotian Yang , Angtian Wang , Yizhi Wang , Yiding Yang , Canyu Zhang , Chongyang Ma

Labeling videos at scale is impractical. Consequently, self-supervised visual representation learning is key for efficient video analysis. Recent success in learning image representations suggests contrastive learning is a promising…

计算机视觉与模式识别 · 计算机科学 2021-05-03 Nishant Rai , Ehsan Adeli , Kuan-Hui Lee , Adrien Gaidon , Juan Carlos Niebles

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

Vision-Language Models (VLMs) such as CLIP learn a shared embedding space for images and text, yet their representations remain geometrically separated, a phenomenon known as the modality gap. This gap limits tasks requiring cross-modal…

计算机视觉与模式识别 · 计算机科学 2026-04-02 Hongyuan Liu , Qinli Yang , Wen Li , Zhong Zhang , Jiaming Liu , Wei Han , Zhili Qin , Jinxia Guo , Junming Shao

Visual place recognition (VPR) is a key issue for robotics and autonomous systems. For the trade-off between time and performance, most of methods use the coarse-to-fine hierarchical architecture, which consists of retrieving top-N…

计算机视觉与模式识别 · 计算机科学 2022-02-15 Y. Shen , R. Wang , W. Zuo , N. Zheng

We propose a novel algorithm for weakly supervised semantic segmentation based on image-level class labels only. In weakly supervised setting, it is commonly observed that trained model overly focuses on discriminative parts rather than the…

计算机视觉与模式识别 · 计算机科学 2018-01-09 Seunghoon Hong , Donghun Yeo , Suha Kwak , Honglak Lee , Bohyung Han

We present an approach for weakly supervised learning of human actions from video transcriptions. Our system is based on the idea that, given a sequence of input data and a transcript, i.e. a list of the order the actions occur in the…

计算机视觉与模式识别 · 计算机科学 2017-06-20 Hilde Kuehne , Alexander Richard , Juergen Gall

Given multiple videos of the same task, procedure learning addresses identifying the key-steps and determining their order to perform the task. For this purpose, existing approaches use the signal generated from a pair of videos. This makes…

计算机视觉与模式识别 · 计算机科学 2023-11-08 Siddhant Bansal , Chetan Arora , C. V. Jawahar

Computer-aided medical image analysis is crucial for disease diagnosis and treatment planning, yet limited annotated datasets restrict medical-specific model development. While vision-language models (VLMs) like CLIP offer strong…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Zelin Peng , Yichen Zhao , Yu Huang , Piao Yang , Feilong Tang , Zhengqin Xu , Xiaokang Yang , Wei Shen

Consistent high-quality nursing care is essential for patient safety, yet current nursing education depends on subjective, time-intensive instructor feedback in training future nurses, which limits scalability and efficiency in their…

人工智能 · 计算机科学 2025-09-23 Shen Chang , Dennis Liu , Renran Tian , Kristen L. Swartzell , Stacie L. Klingler , Amy M. Nagle , Nan Kong

Recent advancements in language-model-based video understanding have been progressing at a remarkable pace, spurred by the introduction of Large Language Models (LLMs). However, the focus of prior research has been predominantly on devising…

计算机视觉与模式识别 · 计算机科学 2023-12-06 Yizhou Wang , Ruiyi Zhang , Haoliang Wang , Uttaran Bhattacharya , Yun Fu , Gang Wu

The application of Contrastive Language-Image Pre-training (CLIP) in Weakly Supervised Semantic Segmentation (WSSS) research powerful cross-modal semantic understanding capabilities. Existing methods attempt to optimize input text prompts…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Zhongxing Xu , Feilong Tang , Zhe Chen , Yingxue Su , Zhiyi Zhao , Ge Zhang , Jionglong Su , Zongyuan Ge

Large-scale multi-modal training with image-text pairs imparts strong generalization to CLIP model. Since training on a similar scale for videos is infeasible, recent approaches focus on the effective transfer of image-based CLIP to the…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Hanoona Rasheed , Muhammad Uzair Khattak , Muhammad Maaz , Salman Khan , Fahad Shahbaz Khan

Few-shot learning aims to recognize instances from novel classes with few labeled samples, which has great value in research and application. Although there has been a lot of work in this area recently, most of the existing work is based on…

计算机视觉与模式识别 · 计算机科学 2020-10-14 Congqi Cao , Yajuan Li , Qinyi Lv , Peng Wang , Yanning Zhang

Weakly supervised temporal action localization (WTAL) aims to detect action instances in untrimmed videos using only video-level annotations. Since many existing works optimize WTAL models based on action classification labels, they…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Geuntaek Lim , Hyunwoo Kim , Joonsoo Kim , Yukyung Choi

Recent advances in end-to-end video compression have shown promising results owing to their unified end-to-end learning optimization. However, such generalized frameworks often lack content-specific adaptation, leading to suboptimal…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Tiange Zhang , Xiandong Meng , Siwei Ma

Recent Vision-Language-Action (VLA) models built on pre-trained Vision-Language Models (VLMs) require extensive post-training, resulting in high computational overhead that limits scalability and deployment.We propose CogVLA, a…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Wei Li , Renshan Zhang , Rui Shao , Jie He , Liqiang Nie