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This paper presents an investigation into long-tail video recognition. We demonstrate that, unlike naturally-collected video datasets and existing long-tail image benchmarks, current video benchmarks fall short on multiple long-tailed…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Toby Perrett , Saptarshi Sinha , Tilo Burghardt , Majid Mirmehdi , Dima Damen

We consider an important task of effective and efficient semantic image segmentation. In particular, we adapt a powerful semantic segmentation architecture, called RefineNet, into the more compact one, suitable even for tasks requiring…

计算机视觉与模式识别 · 计算机科学 2018-10-09 Vladimir Nekrasov , Chunhua Shen , Ian Reid

Large pre-trained vision models achieve impressive success in computer vision. However, fully fine-tuning large models for downstream tasks, particularly in video understanding, can be prohibitively computationally expensive. Recent studies…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Huanjin Yao , Wenhao Wu , Zhiheng Li

The explosive growth of video streaming presents challenges in achieving high accuracy and low training costs for video-language retrieval. However, existing methods rely on large-scale pre-training to improve video retrieval performance,…

计算机视觉与模式识别 · 计算机科学 2025-08-21 Haoyu Zhao , Jiaxi Gu , Shicong Wang , Xing Zhang , Hang Xu , Zuxuan Wu , Yu-Gang Jiang

Long video understanding is a complex task that requires both spatial detail and temporal awareness. While Vision-Language Models (VLMs) obtain frame-level understanding capabilities through multi-frame input, they suffer from information…

计算机视觉与模式识别 · 计算机科学 2025-04-10 Ziyi Wang , Haoran Wu , Yiming Rong , Deyang Jiang , Yixin Zhang , Yunlong Zhao , Shuang Xu , Bo XU

Real-time understanding in video is crucial in various AI applications such as autonomous driving. This work presents a fast single-shot segmentation strategy for video scene understanding. The proposed net, called S3-Net, quickly locates…

计算机视觉与模式识别 · 计算机科学 2020-11-05 Yuan Cheng , Yuchao Yang , Hai-Bao Chen , Ngai Wong , Hao Yu

Videos are inherently multimodal. This paper studies the problem of how to fully exploit the abundant multimodal clues for improved video categorization. We introduce a hybrid deep learning framework that integrates useful clues from…

多媒体 · 计算机科学 2017-06-15 Yu-Gang Jiang , Zuxuan Wu , Jinhui Tang , Zechao Li , Xiangyang Xue , Shih-Fu Chang

Building models that comprehends videos and responds specific user instructions is a practical and challenging topic, as it requires mastery of both vision understanding and knowledge reasoning. Compared to language and image modalities,…

计算机视觉与模式识别 · 计算机科学 2024-04-30 Ji Qi , Kaixuan Ji , Jifan Yu , Duokang Wang , Bin Xu , Lei Hou , Juanzi Li

Recent advancements in video understanding within visual large language models (VLLMs) have led to notable progress. However, the complexity of video data and contextual processing limitations still hinder long-video comprehension. A common…

计算机视觉与模式识别 · 计算机科学 2025-04-30 Yanan Guo , Wenhui Dong , Jun Song , Shiding Zhu , Xuan Zhang , Hanqing Yang , Yingbo Wang , Yang Du , Xianing Chen , Bo Zheng

This paper introduces EdgeProfiler, a fast profiling framework designed for evaluating lightweight Large Language Models (LLMs) on edge systems. While LLMs offer remarkable capabilities in natural language understanding and generation,…

分布式、并行与集群计算 · 计算机科学 2025-09-18 Alyssa Pinnock , Shakya Jayakody , Kawsher A Roxy , Md Rubel Ahmed

This paper presents X3D, a family of efficient video networks that progressively expand a tiny 2D image classification architecture along multiple network axes, in space, time, width and depth. Inspired by feature selection methods in…

计算机视觉与模式识别 · 计算机科学 2020-04-10 Christoph Feichtenhofer

In this paper we revisit feature fusion, an old-fashioned topic, in the new context of text-to-video retrieval. Different from previous research that considers feature fusion only at one end, let it be video or text, we aim for feature…

多媒体 · 计算机科学 2022-07-28 Fan Hu , Aozhu Chen , Ziyue Wang , Fangming Zhou , Jianfeng Dong , Xirong Li

Video Large Language Models (Video-LLMs) have shown strong video understanding, yet their application to long-form videos remains constrained by limited context windows. A common workaround is to compress long videos into a handful of…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Yun Wang , Long Zhang , Jingren Liu , Jiaqi Yan , Zhanjie Zhang , Jiahao Zheng , Ao Ma , Run Ling , Xun Yang , Dapeng Wu , Xiangyu Chen , Xuelong Li

Recently, convolutional neural networks (CNN) have demonstrated impressive performance in various computer vision tasks. However, high performance hardware is typically indispensable for the application of CNN models due to the high…

计算机视觉与模式识别 · 计算机科学 2016-05-17 Jiaxiang Wu , Cong Leng , Yuhang Wang , Qinghao Hu , Jian Cheng

Over four decades, the majority addresses the problem of optical flow estimation using variational methods. With the advance of machine learning, some recent works have attempted to address the problem using convolutional neural network…

计算机视觉与模式识别 · 计算机科学 2020-03-17 Tak-Wai Hui , Xiaoou Tang , Chen Change Loy

Video prediction is a challenging computer vision task that has a wide range of applications. In this work, we present a new family of Transformer-based models for video prediction. Firstly, an efficient local spatial-temporal separation…

计算机视觉与模式识别 · 计算机科学 2022-12-13 Xi Ye , Guillaume-Alexandre Bilodeau

Due to the nature of enhancement--the absence of paired ground-truth information, high-level vision tasks have been recently employed to evaluate the performance of low-light image enhancement. A widely-used manner is to see how accurately…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Mingjia Li , Hao Zhao , Xiaojie Guo

Extracting the true dynamical variables of a system from high-dimensional video is challenging due to distracting visual factors such as background motion, occlusions, and texture changes. We propose LyTimeT, a two-phase framework for…

计算机视觉与模式识别 · 计算机科学 2025-10-23 Kuai Yu , Crystal Su , Xiang Liu , Judah Goldfeder , Mingyuan Shao , Hod Lipson

Long-form video understanding presents significant challenges for interactive retrieval systems, as conventional methods struggle to process extensive video content efficiently. Existing approaches often rely on single models, inefficient…

Videos can be manipulated by duplicating a sequence of consecutive frames with the goal of concealing or imitating a specific content in the same video. In this paper, we propose a novel coarse-to-fine framework based on deep Convolutional…

计算机视觉与模式识别 · 计算机科学 2019-05-07 Chengjiang Long , Arslan Basharat , Anthony Hoogs