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Recent advancements in video large language models (Video LLMs) have significantly advanced the field of video question answering (VideoQA). While existing methods perform well on short videos, they often struggle with long-range reasoning…

计算机视觉与模式识别 · 计算机科学 2025-07-02 Mustafa Chasmai , Gauri Jagatap , Gouthaman KV , Grant Van Horn , Subhransu Maji , Andrea Fanelli

Video frame sampling is essential for efficient long-video understanding with Vision-Language Models (VLMs), since dense inputs are costly and often exceed context limits. Yet when only a small number of frames can be retained, existing…

计算机视觉与模式识别 · 计算机科学 2026-03-19 Mengyu Zhao , Di Fu , Yongyu Xie , Jiaxing Zhang , Zhigang Yuan , Shirin Jalali , Yong Cao

There has been significant attention to the research on dense video captioning, which aims to automatically localize and caption all events within untrimmed video. Several studies introduce methods by designing dense video captioning as a…

计算机视觉与模式识别 · 计算机科学 2024-04-12 Minkuk Kim , Hyeon Bae Kim , Jinyoung Moon , Jinwoo Choi , Seong Tae Kim

Video super-resolution, which aims at producing a high-resolution video from its corresponding low-resolution version, has recently drawn increasing attention. In this work, we propose a novel method that can effectively incorporate…

计算机视觉与模式识别 · 计算机科学 2020-07-22 Takashi Isobe , Songjiang Li , Xu Jia , Shanxin Yuan , Gregory Slabaugh , Chunjing Xu , Ya-Li Li , Shengjin Wang , Qi Tian

While the Transformer architecture dominates many fields, its quadratic self-attention complexity hinders its use in large-scale applications. Linear attention offers an efficient alternative, but its direct application often degrades…

计算机视觉与模式识别 · 计算机科学 2026-01-15 Kewei Zhang , Ye Huang , Yufan Deng , Jincheng Yu , Junsong Chen , Huan Ling , Enze Xie , Daquan Zhou

Recently, automatic video captioning has attracted increasing attention, where the core challenge lies in capturing the key semantic items, like objects and actions as well as their spatial-temporal correlations from the redundant frames…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Chengpeng Dai , Fuhai Chen , Xiaoshuai Sun , Rongrong Ji , Qixiang Ye , Yongjian Wu

Our task is to generate an effective summary for a given document with specific realtime requirements. We use the softplus function to enhance keyword rankings to favor important sentences, based on which we present a number of…

信息检索 · 计算机科学 2017-10-03 Liqun Shao , Hao Zhang , Ming Jia , Jie Wang

Large language models (LLMs) have brought significant and transformative changes in human society. These models have demonstrated remarkable capabilities in natural language understanding and generation, leading to various advancements and…

机器学习 · 计算机科学 2023-07-06 Yeqi Gao , Zhao Song , Shenghao Xie

Multi-task learning (MTL) paradigm focuses on jointly learning two or more tasks, aiming for significant improvement w.r.t model's generalizability, performance, and training/inference memory footprint. The aforementioned benefits become…

计算机视觉与模式识别 · 计算机科学 2022-10-27 Nitin Bansal , Pan Ji , Junsong Yuan , Yi Xu

Recently, video captioning has been attracting an increasing amount of interest, due to its potential for improving accessibility and information retrieval. While existing methods rely on different kinds of visual features and model…

计算机视觉与模式识别 · 计算机科学 2016-12-02 Xiang Long , Chuang Gan , Gerard de Melo

Medical images play an important role in clinical applications. Multimodal medical images could provide rich information about patients for physicians to diagnose. The image fusion technique is able to synthesize complementary information…

计算机视觉与模式识别 · 计算机科学 2022-12-12 Meng Zhou , Xiaolan Xu , Yuxuan Zhang

Video transcript summarization is a fundamental task for video understanding. Conventional approaches for transcript summarization are usually built upon the summarization data for written language such as news articles, while the domain…

计算与语言 · 计算机科学 2021-07-16 Tengchao Lv , Lei Cui , Momcilo Vasilijevic , Furu Wei

The task of video-based commonsense captioning aims to generate event-wise captions and meanwhile provide multiple commonsense descriptions (e.g., attribute, effect and intention) about the underlying event in the video. Prior works explore…

计算机视觉与模式识别 · 计算机科学 2021-08-06 Weijiang Yu , Jian Liang , Lei Ji , Lu Li , Yuejian Fang , Nong Xiao , Nan Duan

Accurate fish segmentation in underwater videos is challenging due to low visibility, variable lighting, and dynamic backgrounds, making fully-supervised methods that require manual annotation impractical for many applications. This paper…

计算机视觉与模式识别 · 计算机科学 2025-02-27 Alzayat Saleh , Marcus Sheaves , Dean Jerry , Mostafa Rahimi Azghadi

Video stabilization remains a fundamental problem in computer vision, particularly pixel-level synthesis solutions for video stabilization, which synthesize full-frame outputs, add to the complexity of this task. These methods aim to…

计算机视觉与模式识别 · 计算机科学 2025-08-27 Muhammad Kashif Ali , Eun Woo Im , Dongjin Kim , Tae Hyun Kim , Vivek Gupta , Haonan Luo , Tianrui Li

Video object detection is a tough task due to the deteriorated quality of video sequences captured under complex environments. Currently, this area is dominated by a series of feature enhancement based methods, which distill beneficial…

计算机视觉与模式识别 · 计算机科学 2020-09-17 Lijian Lin , Haosheng Chen , Honglun Zhang , Jun Liang , Yu Li , Ying Shan , Hanzi Wang

Modern image retrieval systems increasingly rely on the use of deep neural networks to learn embedding spaces in which distance encodes the relevance between a given query and image. In this setting, existing approaches tend to emphasize…

机器学习 · 计算机科学 2020-11-18 Andreas Veit , Kimberly Wilber

Video object segmentation is challenging yet important in a wide variety of applications for video analysis. Recent works formulate video object segmentation as a prediction task using deep nets to achieve appealing state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2018-09-05 Yuan-Ting Hu , Jia-Bin Huang , Alexander G. Schwing

Video question-answering is a fundamental task in the field of video understanding. Although current vision--language models (VLMs) equipped with Video Transformers have enabled temporal modeling and yielded superior results, they are at…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Wei Han , Hui Chen , Min-Yen Kan , Soujanya Poria

This paper focuses on two key problems for audio-visual emotion recognition in the video. One is the audio and visual streams temporal alignment for feature level fusion. The other one is locating and re-weighting the perception attentions…

计算机视觉与模式识别 · 计算机科学 2016-03-29 Linlin Chao , Jianhua Tao , Minghao Yang , Ya Li , Zhengqi Wen