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Video moment retrieval aims to localize moments in video corresponding to a given language query. To avoid the expensive cost of annotating the temporal moments, weakly-supervised VMR (wsVMR) systems have been studied. For such systems,…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Sunjae Yoon , Gwanhyeong Koo , Dahyun Kim , Chang D. Yoo

This paper aims to solve the problem of large-scale video retrieval by a query image. Firstly, we define the problem of top-$k$ image to video query. Then, we combine the merits of convolutional neural networks(CNN for short) and Bag of…

多媒体 · 计算机科学 2018-10-16 Chengyuan Zhang , Yunwu Lin , Lei Zhu , Anfeng Liu , Zuping Zhang , Fang Huang

Video Moment Retrieval (VMR) aims at retrieving the most relevant events from an untrimmed video with natural language queries. Existing VMR methods suffer from two defects: (1) massive expensive temporal annotations are required to obtain…

计算机视觉与模式识别 · 计算机科学 2023-05-24 Xun Jiang , Zailei Zhou , Xing Xu , Yang Yang , Guoqing Wang , Heng Tao Shen

The scalability of video understanding models is increasingly limited by the prohibitive storage and computational costs of large-scale video datasets. While data synthesis has improved data efficiency in the image domain, its extension to…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Shaobo Wang , Tianle Niu , Runkang Yang , Deshan Liu , Xu He , Zichen Wen , Conghui He , Xuming Hu , Linfeng Zhang

Video moment search, the process of finding relevant moments in a video corpus to match a user's query, is crucial for various applications. Existing solutions, however, often assume a single perfect matching moment, struggle with…

信息检索 · 计算机科学 2025-01-10 Chongzhi Zhang , Xizhou Zhu , Aixin Sun

In recent years, text-to-video retrieval methods based on CLIP have experienced rapid development. The primary direction of evolution is to exploit the much wider gamut of visual and textual cues to achieve alignment. Concretely, those…

计算机视觉与模式识别 · 计算机科学 2024-01-02 Kaibin Tian , Yanhua Cheng , Yi Liu , Xinglin Hou , Quan Chen , Han Li

Large Vision Language Models have achieved fine-grained object perception, but the limitation of image resolution remains a significant obstacle to surpassing the performance of task-specific experts in complex and dense scenarios. Such…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Yufei Zhan , Shurong Zheng , Yousong Zhu , Hongyin Zhao , Fan Yang , Ming Tang , Jinqiao Wang

In the latest social networks, more and more people prefer to express their emotions in videos through text, speech, and rich facial expressions. Multimodal video emotion analysis techniques can help understand users' inner world…

计算机视觉与模式识别 · 计算机科学 2022-09-22 Qinglan Wei , Xuling Huang , Yuan Zhang

The rapid growth of long-duration, high-definition videos has made efficient video quality assessment (VQA) a critical challenge. Existing research typically tackles this problem through two main strategies: reducing model parameters and…

计算机视觉与模式识别 · 计算机科学 2025-04-23 Yachun Mi , Yu Li , Weicheng Meng , Chaofeng Chen , Chen Hui , Shaohui Liu

Large Language Models (LLMs) have played an important role in many fields due to their powerful capabilities.However, their massive number of parameters leads to high deployment requirements and incurs significant inference costs, which…

Visual language models (VLMs) have made significant advances in accuracy in recent years. However, their efficiency has received much less attention. This paper introduces NVILA, a family of open VLMs designed to jointly optimize efficiency…

Event-based image retrieval from free-form captions presents a significant challenge: models must understand not only visual features but also latent event semantics, context, and real-world knowledge. Conventional vision-language retrieval…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Dinh-Khoi Vo , Van-Loc Nguyen , Minh-Triet Tran , Trung-Nghia Le

Retrieving specific information from a large corpus of documents is a prevalent industrial use case of modern AI, notably due to the popularity of Retrieval-Augmented Generation (RAG) systems. Although neural document retrieval models have…

信息检索 · 计算机科学 2025-12-17 Paul Teiletche , Quentin Macé , Max Conti , Antonio Loison , Gautier Viaud , Pierre Colombo , Manuel Faysse

From video streaming to security and surveillance applications, video data play an important role in our daily living today. However, managing a large amount of video data and retrieving the most useful information for the user remain a…

计算机视觉与模式识别 · 计算机科学 2019-06-28 Lei Wang , Du Q. Huynh , Moussa Reda Mansour

Speaker verification systems experience significant performance degradation when tasked with short-duration trial recordings. To address this challenge, a multi-scale feature fusion approach has been proposed to effectively capture speaker…

音频与语音处理 · 电气工程与系统科学 2024-06-05 Yafeng Chen , Siqi Zheng , Hui Wang , Luyao Cheng , Qian Chen , Shiliang Zhang , Junjie Li

Dialogue systems can benefit from being able to search through a corpus of text to find information relevant to user requests, especially when encountering a request for which no manually curated response is available. The state-of-the-art…

信息检索 · 计算机科学 2022-06-02 Hui Wan , Siva Sankalp Patel , J. William Murdock , Saloni Potdar , Sachindra Joshi

Multimodal large language models (MLLMs) have demonstrated remarkable potential for enhancing scene understanding in autonomous driving systems through powerful logical reasoning capabilities. However, the deployment of these models faces…

计算机视觉与模式识别 · 计算机科学 2024-09-18 Yunsheng Ma , Amr Abdelraouf , Rohit Gupta , Ziran Wang , Kyungtae Han

Human pose estimation has achieved significant progress in recent years. However, most of the recent methods focus on improving accuracy using complicated models and ignoring real-time efficiency. To achieve a better trade-off between…

计算机视觉与模式识别 · 计算机科学 2021-05-24 Lumin Xu , Yingda Guan , Sheng Jin , Wentao Liu , Chen Qian , Ping Luo , Wanli Ouyang , Xiaogang Wang

The ViDoRe Benchmark V1 was approaching saturation with top models exceeding 90% nDCG@5, limiting its ability to discern improvements. ViDoRe Benchmark V2 introduces realistic, challenging retrieval scenarios via blind contextual querying,…

信息检索 · 计算机科学 2025-09-22 Quentin Macé , António Loison , Manuel Faysse

State-of-the-art (SOTA) compressed video super-resolution (CVSR) models face persistent challenges, including prolonged inference time, complex training pipelines, and reliance on auxiliary information. As video frame rates continue to…

图像与视频处理 · 电气工程与系统科学 2025-06-16 Zhaoyang Wang , Jie Li , Wen Lu , Lihuo He , Maoguo Gong , Xinbo Gao