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The huge variance of human pose and the misalignment of detected human images significantly increase the difficulty of person Re-Identification (Re-ID). Moreover, efficient Re-ID systems are required to cope with the massive visual data…

计算机视觉与模式识别 · 计算机科学 2017-09-14 Longhui Wei , Shiliang Zhang , Hantao Yao , Wen Gao , Qi Tian

This study introduces a novel unsupervised medical image feature extraction method that employs spatial stratification techniques. An objective function based on weight is proposed to achieve the purpose of fast image recognition. The…

图像与视频处理 · 电气工程与系统科学 2024-06-28 Qishi Zhan , Dan Sun , Erdi Gao , Yuhan Ma , Yaxin Liang , Haowei Yang

Image restoration aims to recover a high-quality clean image from its degraded version. Recent progress in image restoration has demonstrated the effectiveness of All-in-One image restoration models in addressing various unknown…

计算机视觉与模式识别 · 计算机科学 2024-11-20 Jin Cao , Yi Cao , Li Pang , Deyu Meng , Xiangyong Cao

Generalizable neural surface reconstruction has become a compelling technique to reconstruct from few images without per-scene optimization, where dense 3D feature volume has proven effective as a global representation of scenes. However,…

计算机视觉与模式识别 · 计算机科学 2025-07-09 Aoxiang Fan , Corentin Dumery , Nicolas Talabot , Hieu Le , Pascal Fua

Large language models achieve high task performance yet often hallucinate or rely on outdated knowledge. Retrieval-augmented generation (RAG) addresses these gaps by coupling generation with external search. We analyse how hyperparameters…

机器学习 · 计算机科学 2025-05-14 Adel Ammar , Anis Koubaa , Omer Nacar , Wadii Boulila

Face hallucination, which is the task of generating a high-resolution face image from a low-resolution input image, is a well-studied problem that is useful in widespread application areas. Face hallucination is particularly challenging…

计算机视觉与模式识别 · 计算机科学 2016-04-28 Oncel Tuzel , Yuichi Taguchi , John R. Hershey

Holistic person re-identification (Re-ID) and partial person re-identification have achieved great progress respectively in recent years. However, scenarios in reality often include both holistic and partial pedestrian images, which makes…

计算机视觉与模式识别 · 计算机科学 2020-10-16 Xiaofei Mao , Jiahao Cao , Dongfang Li , Xia Jia , Qingfang Zheng

Image segmentation is an important median level vision topic. Accurate and efficient multiphase segmentation for images with intensity inhomogeneity is still a great challenge. We present a new two-stage multiphase segmentation method…

最优化与控制 · 数学 2020-09-15 Xueyan Guo , Yunhua Xue , Chunlin Wu

We present our solution to Landmark Image Retrieval Challenge 2019. This challenge was based on the large Google Landmarks Dataset V2[9]. The goal was to retrieve all database images containing the same landmark for every provided query…

计算机视觉与模式识别 · 计算机科学 2019-06-13 Cheng Chang , Himanshu Rai , Satya Krishna Gorti , Junwei Ma , Chundi Liu , Guangwei Yu , Maksims Volkovs

Many studies have been performed on metric learning, which has become a key ingredient in top-performing methods of instance-level image retrieval. Meanwhile, less attention has been paid to pre-processing and post-processing tricks that…

计算机视觉与模式识别 · 计算机科学 2020-04-24 Byungsoo Ko , Minchul Shin , Geonmo Gu , HeeJae Jun , Tae Kwan Lee , Youngjoon Kim

Ocular biometric systems working in unconstrained environments usually face the problem of small within-class compactness caused by the multiple factors that jointly degrade the quality of the obtained data. In this work, we propose an…

计算机视觉与模式识别 · 计算机科学 2020-02-11 Luiz A. Zanlorensi , Hugo Proença , David Menotti

In this paper, we propose a novel convolutional neural network (CNN) architecture considering both local and global features for image enhancement. Most conventional image enhancement methods, including Retinex-based methods, cannot restore…

图像与视频处理 · 电气工程与系统科学 2019-05-09 Yuma Kinoshita , Hitoshi Kiya

In this paper we explain a process of super-resolution reconstruction allowing to increase the resolution of an image.The need for high-resolution digital images exists in diverse domains, for example the medical and spatial domains. The…

图像与视频处理 · 电气工程与系统科学 2022-12-07 Sebastien Lablanche , Gerard Lablanche

Recently, it has been demonstrated that deep neural networks can significantly improve the performance of single image super-resolution (SISR). Numerous studies have concentrated on raising the quantitative quality of super-resolved (SR)…

计算机视觉与模式识别 · 计算机科学 2020-09-14 Zheng Hui , Jie Li , Xinbo Gao , Xiumei Wang

We propose a novel image set classification technique using linear regression models. Downsampled gallery image sets are interpreted as subspaces of a high dimensional space to avoid the computationally expensive training step. We estimate…

计算机视觉与模式识别 · 计算机科学 2017-01-11 Syed Afaq Ali Shah , Uzair Nadeem , Mohammed Bennamoun , Ferdous Sohel , Roberto Togneri

Multi-hop question answering requires aggregating information from multiple documents, a critical capability for knowledge-intensive applications. A fundamental challenge lies in efficiently identifying the minimal relevant document set…

信息检索 · 计算机科学 2026-05-20 Litong Zhang , Jiaxin Li , Kuo Zhao

Retrieving images from the same location as a given query is an important component of multiple computer vision tasks, like Visual Place Recognition, Landmark Retrieval, Visual Localization, 3D reconstruction, and SLAM. However, existing…

计算机视觉与模式识别 · 计算机科学 2025-06-11 Gabriele Berton , Carlo Masone

We propose a novel method of deep spatial matching (DSM) for image retrieval. Initial ranking is based on image descriptors extracted from convolutional neural network activations by global pooling, as in recent state-of-the-art work.…

计算机视觉与模式识别 · 计算机科学 2019-11-19 Oriane Siméoni , Yannis Avrithis , Ondrej Chum

Depth-map is the key computation in computer vision and robotics. One of the most popular approach is via computation of disparity-map of images obtained from Stereo Camera. Semi Global Matching (SGM) method is a popular choice for good…

计算机视觉与模式识别 · 计算机科学 2020-07-08 Prathmesh Sawant , Yashwant Temburu , Mandar Datar , Imran Ahmed , Vinayak Shriniwas , Sachin Patkar

Although Generative Adversarial Networks have shown remarkable performance in image generation, there are some challenges in image realism and convergence speed. The results of some models display the imbalances of quality within a…

计算机视觉与模式识别 · 计算机科学 2020-08-07 Ying Liu , Wenhong Cai , Xiaohui Yuan , Jinhai Xiang