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State-of-the-art transformer-based large multimodal models (LMMs) struggle to handle hour-long video inputs due to the quadratic complexity of the causal self-attention operations, leading to high computational costs during training and…

计算机视觉与模式识别 · 计算机科学 2025-07-17 Weiming Ren , Wentao Ma , Huan Yang , Cong Wei , Ge Zhang , Wenhu Chen

Text-Video Retrieval (TVR) aims to align and associate relevant video content with corresponding natural language queries. Most existing TVR methods are based on large-scale pre-trained vision-language models (e.g., CLIP). However, due to…

计算机视觉与模式识别 · 计算机科学 2025-02-24 Haoran Tang , Meng Cao , Jinfa Huang , Ruyang Liu , Peng Jin , Ge Li , Xiaodan Liang

Understanding the content of videos is one of the core techniques for developing various helpful applications in the real world, such as recognizing various human actions for surveillance systems or customer behavior analysis in an…

计算机视觉与模式识别 · 计算机科学 2019-07-12 Chiwan Song , Woobin Im , Sung-eui Yoon

We introduce VideoMamba, a novel adaptation of the pure Mamba architecture, specifically designed for video recognition. Unlike transformers that rely on self-attention mechanisms leading to high computational costs by quadratic complexity,…

计算机视觉与模式识别 · 计算机科学 2024-07-12 Jinyoung Park , Hee-Seon Kim , Kangwook Ko , Minbeom Kim , Changick Kim

Automated vision-based score estimation models can be used as an alternate opinion to avoid judgment bias. In the past works the score estimation models were learned by regressing the video representations to the ground truth score provided…

计算机视觉与模式识别 · 计算机科学 2020-02-28 Hiteshi Jain , Gaurav Harit , Avinash Sharma

Visual Mamba is an approach that extends the selective space state model, Mamba, to vision tasks. It processes image tokens sequentially in a fixed order, accumulating information to generate outputs. Despite its growing popularity for…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Younghyun Cho , Changhun Lee , Seonggon Kim , Eunhyeok Park

In this paper, we introduce Coarse-Fine Networks, a two-stream architecture which benefits from different abstractions of temporal resolution to learn better video representations for long-term motion. Traditional Video models process…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Kumara Kahatapitiya , Michael S. Ryoo

This paper targets at learning to score the figure skating sports videos. To address this task, we propose a deep architecture that includes two complementary components, i.e., Self-Attentive LSTM and Multi-scale Convolutional Skip LSTM.…

多媒体 · 计算机科学 2018-07-31 Chengming Xu , Yanwei Fu , Bing Zhang , Zitian Chen , Yu-Gang Jiang , Xiangyang Xue

Video anomaly detection (VAD) has been extensively researched due to its potential for intelligent video systems. However, most existing methods based on CNNs and transformers still suffer from substantial computational burdens and have…

计算机视觉与模式识别 · 计算机科学 2024-12-31 Zhangxun Li , Mengyang Zhao , Xuan Yang , Yang Liu , Jiamu Sheng , Xinhua Zeng , Tian Wang , Kewei Wu , Yu-Gang Jiang

We propose the first metric learning system for the recognition of great ape behavioural actions. Our proposed triple stream embedding architecture works on camera trap videos taken directly in the wild and demonstrates that the utilisation…

计算机视觉与模式识别 · 计算机科学 2023-01-09 Otto Brookes , Majid Mirmehdi , Hjalmar Kühl , Tilo Burghardt

Historically, researchers in the field have spent a great deal of effort to create image representations that have scale invariance and retain spatial location information. This paper proposes to encode equivalent temporal characteristics…

计算机视觉与模式识别 · 计算机科学 2014-09-01 Zhenzhong Lan , Xuanchong Li , Alexandar G. Hauptmann

Robust feature representations are essential for learning-based Multi-View Stereo (MVS), which relies on accurate feature matching. Recent MVS methods leverage Transformers to capture long-range dependencies based on local features…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Jianfei Jiang , Qiankun Liu , Hongyuan Liu , Haochen Yu , Liyong Wang , Jiansheng Chen , Huimin Ma

Complex events (CEs) play a crucial role in CPS-IoT applications, enabling high-level decision-making in domains such as smart monitoring and autonomous systems. However, most existing models focus on short-span perception tasks, lacking…

机器学习 · 计算机科学 2025-04-29 Liying Han , Gaofeng Dong , Xiaomin Ouyang , Lance Kaplan , Federico Cerutti , Mani Srivastava

Active Surveillance (AS) is a treatment option for managing low and intermediate-risk prostate cancer (PCa), aiming to avoid overtreatment while monitoring disease progression through serial MRI and clinical follow-up. Accurate prostate…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Yovin Yahathugoda , Davide Prezzi , Piyalitt Ittichaiwong , Vicky Goh , Sebastien Ourselin , Michela Antonelli

Real-time cognitive load assessment from eye-tracking signals could potentially enable adaptive human-centered-AI such as safety-critical applications such as driver vigilance monitoring or automated flight deck assistance, yet two…

Video understanding requires the extraction of rich spatio-temporal representations, which transformer models achieve through self-attention. Unfortunately, self-attention poses a computational burden. In NLP, Mamba has surfaced as an…

计算机视觉与模式识别 · 计算机科学 2024-11-14 Hui Lu , Albert Ali Salah , Ronald Poppe

Long-term action quality assessment (AQA) focuses on evaluating the quality of human activities in videos lasting up to several minutes. This task plays an important role in the automated evaluation of artistic sports such as rhythmic…

计算机视觉与模式识别 · 计算机科学 2025-07-30 Xin Wang , Peng-Jie Li , Yuan-Yuan Shen

Transformers have demonstrated impressive results for 3D point cloud semantic segmentation. However, the quadratic complexity of transformer makes computation costs high, limiting the number of points that can be processed simultaneously…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Zhuoyuan Li , Yubo Ai , Jiahao Lu , ChuXin Wang , Jiacheng Deng , Hanzhi Chang , Yanzhe Liang , Wenfei Yang , Shifeng Zhang , Tianzhu Zhang

State space models (SSMs) with selection mechanisms and hardware-aware architectures, namely Mamba, have recently demonstrated significant promise in long-sequence modeling. Since the self-attention mechanism in transformers has quadratic…

计算机视觉与模式识别 · 计算机科学 2024-04-29 Hanwei Zhang , Ying Zhu , Dan Wang , Lijun Zhang , Tianxiang Chen , Zi Ye

This chapter aims to aid the development of Cyber-Physical Systems (CPS) in automated understanding of events and activities in various applications of video-surveillance. These events are mostly captured by drones, CCTVs or novice and…

计算机视觉与模式识别 · 计算机科学 2021-11-04 Swarnabja Bhaumik , Prithwish Jana , Partha Pratim Mohanta