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Related papers: Image Retrieval and Pattern Spotting using Siamese…

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This paper describes two approaches for content-based image retrieval and pattern spotting in document images using deep learning. The first approach uses a pre-trained CNN model to cope with the lack of training data, which is fine-tuned…

Computer Vision and Pattern Recognition · Computer Science 2019-07-25 Kelly Lais Wiggers , Alceu de Souza Britto Junior , Alessandro Lameiras Koerich , Laurent Heutte , Luiz Eduardo Soares de Oliveira

This paper presents a deep learning approach for image retrieval and pattern spotting in digital collections of historical documents. First, a region proposal algorithm detects object candidates in the document page images. Next, deep…

Computer Vision and Pattern Recognition · Computer Science 2022-08-05 Caio da S. Dias , Alceu de S. Britto , Jean P. Barddal , Laurent Heutte , Alessandro L. Koerich

Automated person re-identification in a multi-camera surveillance setup is very important for effective tracking and monitoring crowd movement. In the recent years, few deep learning based re-identification approaches have been developed…

Computer Vision and Pattern Recognition · Computer Science 2020-05-08 Nirbhay Kumar Tagore , Ayushman Singh , Sumanth Manche , Pratik Chattopadhyay

In this paper we tackle the problem of estimating the 3D pose of object instances, using convolutional neural networks. State of the art methods usually solve the challenging problem of regression in angle space indirectly, focusing on…

Computer Vision and Pattern Recognition · Computer Science 2016-07-11 Andreas Doumanoglou , Vassileios Balntas , Rigas Kouskouridas , Tae-Kyun Kim

Pattern spotting consists of searching in a collection of historical document images for occurrences of a graphical object using an image query. Contrary to object detection, no prior information nor predefined class is given about the…

Computer Vision and Pattern Recognition · Computer Science 2019-06-21 Ignacio Úbeda , Jose M. Saavedra , Stéphane Nicolas , Caroline Petitjean , Laurent Heutte

Recapturing attack can be employed as a simple but effective anti-forensic tool for digital document images. Inspired by the document inspection process that compares a questioned document against a reference sample, we proposed a document…

Multimedia · Computer Science 2021-06-10 Changsheng Chen , Shuzheng Zhang , Fengbo Lan , Jiwu Huang

In this work, we present a method for landmark retrieval that utilizes global and local features. A Siamese network is used for global feature extraction and metric learning, which gives an initial ranking of the landmark search. We utilize…

Information Retrieval · Computer Science 2022-08-09 Tianyi Hu , Monika Kwiatkowski , Simon Matern , Olaf Hellwich

Image or object recognition is an important task in computer vision. With the hight-speed processing power on modern platforms and the availability of mobile phones everywhere, millions of photos are uploaded to the internet per minute, it…

Computer Vision and Pattern Recognition · Computer Science 2017-06-06 Yong Khoo , Seo-hyeon Keun

In patent prosecution, image-based retrieval systems for identifying similarities between current patent images and prior art are pivotal to ensure the novelty and non-obviousness of patent applications. Despite their growing popularity in…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Hao-Cheng Lo , Jung-Mei Chu , Jieh Hsiang , Chun-Chieh Cho

Various hand-crafted features and metric learning methods prevail in the field of person re-identification. Compared to these methods, this paper proposes a more general way that can learn a similarity metric from image pixels directly. By…

Computer Vision and Pattern Recognition · Computer Science 2014-07-21 Dong Yi , Zhen Lei , Stan Z. Li

Image pairing is an important research task in the field of computer vision. And finding image pairs containing objects of the same category is the basis of many tasks such as tracking and person re-identification, etc., and it is also the…

Computer Vision and Pattern Recognition · Computer Science 2019-10-09 Henry H. Yu , Jiang Liu , Hao Sun , Ziwen Wang , Haotian Zhang

As we enter the era of big data, collecting high-quality data is very important. However, collecting data by humans is not only very time-consuming but also expensive. Therefore, many scientists have devised various methods to collect data…

Computer Vision and Pattern Recognition · Computer Science 2024-10-17 Chan Young Shin , Ah Hyun Lee , Jun Young Lee , Ji Min Lee , Soo Jin Park

In this paper, we propose a deep convolutional neural network for learning the embeddings of images in order to capture the notion of visual similarity. We present a deep siamese architecture that when trained on positive and negative pairs…

Computer Vision and Pattern Recognition · Computer Science 2019-01-14 Rishab Sharma , Anirudha Vishvakarma

In image retrieval, deep local features learned in a data-driven manner have been demonstrated effective to improve retrieval performance. To realize efficient retrieval on large image database, some approaches quantize deep local features…

Image and Video Processing · Electrical Eng. & Systems 2021-12-14 Hui Wu , Min Wang , Wengang Zhou , Yang Hu , Houqiang Li

Person Re-identification is defined as a recognizing process where the person is observed by non-overlapping cameras at different places. In the last decade, the rise in the applications and importance of Person Re-identification for…

Computer Vision and Pattern Recognition · Computer Science 2020-08-24 Sajad Amouei Sheshkal , Kazim Fouladi-Ghaleh , Hossein Aghababa

With the development of Information technology and communication, a large part of the databases is dedicated to images and videos. Thus retrieving images related to a query image from a large database has become an important area of…

Computer Vision and Pattern Recognition · Computer Science 2020-01-01 Nazgol Hor , Shervan Fekri-Ershad

The traditional object retrieval task aims to learn a discriminative feature representation with intra-similarity and inter-dissimilarity, which supposes that the objects in an image are manually or automatically pre-cropped exactly.…

Computer Vision and Pattern Recognition · Computer Science 2020-09-04 Lei Zhang , Zhenwei He , Yi Yang , Liang Wang , Xinbo Gao

Template matching by normalized cross correlation (NCC) is widely used for finding image correspondences. We improve the robustness of this algorithm by preprocessing images with "siamese" convolutional networks trained to maximize the…

Computer Vision and Pattern Recognition · Computer Science 2017-05-25 Davit Buniatyan , Thomas Macrina , Dodam Ih , Jonathan Zung , H. Sebastian Seung

Medical image recognition often faces the problem of insufficient data in practical applications. Image recognition and processing under few-shot conditions will produce overfitting, low recognition accuracy, low reliability and…

Image and Video Processing · Electrical Eng. & Systems 2024-03-18 Zihao Huang , Yue Wang , Weixing Xin , Xingtong Lin , Huizhen Li , Haowen Chen , Yizhen Lao , Xia Chen

To retrieve images based on their content is one of the most studied topics in the field of computer vision. Nowadays, this problem can be addressed using modern techniques such as feature extraction using machine learning, but over the…

Computer Vision and Pattern Recognition · Computer Science 2021-05-12 Òscar Lorente , Ian Riera , Shauryadeep Chaudhuri , Oriol Catalan , Víctor Casales
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