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相关论文: Video Logo Retrieval based on local Features

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We address the problem of visual place recognition with perceptual changes. The fundamental problem of visual place recognition is generating robust image representations which are not only insensitive to environmental changes but also…

计算机视觉与模式识别 · 计算机科学 2019-04-16 Zhe Xin , Yinghao Cai , Tao Lu , Xiaoxia Xing , Shaojun Cai , Jixiang Zhang , Yiping Yang , Yanqing Wang

With advances in image recognition technology based on deep learning, automatic video analysis by Artificial Intelligence is becoming more widespread. As the amount of video used for image recognition increases, efficient compression…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Takahiro Shindo , Taiju Watanabe , Kein Yamada , Hiroshi Watanabe

Long video understanding remains challenging for multimodal large language models (MLLMs) due to limited context windows, which necessitate identifying sparse query-relevant video segments. However, existing methods predominantly localize…

计算机视觉与模式识别 · 计算机科学 2026-05-04 Ruoliu Yang , Chu Wu , Caifeng Shan , Ran He , Chaoyou Fu

Accurate prediction of local distortion visibility thresholds is critical in many image and video processing applications. Existing methods require an accurate modeling of the human visual system, and are derived through pshycophysical…

多媒体 · 计算机科学 2018-03-13 Navaneeth Kamballur Kottayil , Giuseppe Valenzise , Frederic Dufaux , Irene Cheng

We share the implementation details and testing results for video retrieval system based exclusively on features extracted by convolutional neural networks. We show that deep learned features might serve as universal signature for semantic…

信息检索 · 计算机科学 2016-01-29 Anna Podlesnaya , Sergey Podlesnyy

It is a key to construct a similarity graph in graph-oriented subspace learning and clustering. In a similarity graph, each vertex denotes a data point and the edge weight represents the similarity between two points. There are two popular…

机器学习 · 计算机科学 2017-05-17 Liangli Zhen , Zhang Yi , Xi Peng , Dezhong Peng

Outdoor visual localization is a crucial component to many computer vision systems. We propose an approach to localization from images that is designed to explicitly handle the strong variations in appearance happening between daytime and…

计算机视觉与模式识别 · 计算机科学 2019-04-08 Hugo Germain , Guillaume Bourmaud , Vincent Lepetit

Video super-resolution (VSR) is the task of restoring high-resolution frames from a sequence of low-resolution inputs. Different from single image super-resolution, VSR can utilize frames' temporal information to reconstruct results with…

图像与视频处理 · 电气工程与系统科学 2022-08-25 Wenyi Lian , Wenjing Lian

Local feature provides compact and invariant image representation for various visual tasks. Current deep learning-based local feature algorithms always utilize convolution neural network (CNN) architecture with limited receptive field.…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Jinyu Miao , Haosong Yue , Zhong Liu , Xingming Wu , Zaojun Fang , Guilin Yang

Visual Place Recognition (VPR) in areas with similar scenes such as urban or indoor scenarios is a major challenge. Existing VPR methods using global descriptors have difficulty capturing local specific regions (LSR) in the scene and are…

计算机视觉与模式识别 · 计算机科学 2022-02-14 Yingfeng Cai , Junqiao Zhao , Jiafeng Cui , Fenglin Zhang , Chen Ye , Tiantian Feng

Modern video retrieval systems are expected to handle diverse tasks ranging from corpus-level retrieval, fine-grained moment localization to flexible multimodal querying. Specialized architectures achieve strong retrieval performance by…

计算机视觉与模式识别 · 计算机科学 2026-04-20 Shaunak Halbe , Bhagyashree Puranik , Jayakrishnan Unnikrishnan , Kushan Thakkar , Vimal Bhat , Toufiq Parag

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

VRFP is a real-time video retrieval framework based on short text input queries, which obtains weakly labeled training images from the web after the query is known. The retrieved web images representing the query and each database video are…

计算机视觉与模式识别 · 计算机科学 2017-04-11 Xintong Han , Bharat Singh , Vlad I. Morariu , Larry S. Davis

In this paper, we propose an efficient and high-performance method for partially relevant video retrieval, which aims to retrieve long videos that contain at least one moment relevant to the input text query. The challenge lies in encoding…

计算机视觉与模式识别 · 计算机科学 2024-03-13 Taichi Nishimura , Shota Nakada , Masayoshi Kondo

We investigate the gains in precision and speed, that can be obtained by using Convolutional Networks (ConvNets) for on-the-fly retrieval - where classifiers are learnt at run time for a textual query from downloaded images, and used to…

计算机视觉与模式识别 · 计算机科学 2014-11-18 Ken Chatfield , Karen Simonyan , Andrew Zisserman

This work explores text-to-image retrieval for queries that specify or describe a semantic category. While vision-and-language models (VLMs) like CLIP offer a straightforward open-vocabulary solution, they map text and images to distant…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Faizan Farooq Khan , Vladan Stojnić , Zakaria Laskar , Mohamed Elhoseiny , Giorgos Tolias

Real-world low-resolution (LR) videos have diverse and complex degradations, imposing great challenges on video super-resolution (VSR) algorithms to reproduce their high-resolution (HR) counterparts with high quality. Recently, the…

计算机视觉与模式识别 · 计算机科学 2024-07-15 Xi Yang , Chenhang He , Jianqi Ma , Lei Zhang

Visual place recognition is the task of recognizing a place depicted in an image based on its pure visual appearance without metadata. In visual place recognition, the challenges lie upon not only the changes in lighting conditions, camera…

计算机视觉与模式识别 · 计算机科学 2023-05-02 Duc Canh Le , Chan Hyun Youn

Visual Place Recognition (VPR) is a scene-oriented image retrieval problem in computer vision in which re-ranking based on local features is commonly employed to improve performance. In robotics, VPR is also referred to as Loop Closure…

计算机视觉与模式识别 · 计算机科学 2025-06-17 Bingxi Liu , Hao Chen , Shiyi Guo , Yihong Wu , Jinqiang Cui , Hong Zhang

Vehicle Re-identification is attracting more and more attention in recent years. One of the most challenging problems is to learn an efficient representation for a vehicle from its multi-viewpoint images. Existing methods tend to derive…

计算机视觉与模式识别 · 计算机科学 2019-09-11 Saghir Ahmed Saghir Alfasly , Yongjian Hu , Tiancai Liang , Xiaofeng Jin , Qingli Zhao , Beibei Liu