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Content-based image retrieval (CBIR) systems on pixel domain use low-level features, such as colour, texture and shape, to retrieve images. In this context, two types of image representations i.e. local and global image features have been…

Image and Video Processing · Electrical Eng. & Systems 2021-07-09 Shrikant Temburwar , Bulla Rajesh , Mohammed Javed

A private information retrieval (PIR) scheme is a protocol that allows a user to retrieve a file from a database without revealing the identity of the desired file to a curious database. Given a distributed data storage system, efficient…

Information Retrieval · Computer Science 2025-08-08 Camilla Hollanti , Neehar Verma

Due to an increase in the number of image achieves, Content-Based Image Retrieval (CBIR) has gained attention for research community of computer vision. The image visual contents are represented in a feature space in the form of numerical…

Computer Vision and Pattern Recognition · Computer Science 2018-12-03 Atif Nazir , Kashif Nazir

Content-based image retrieval (CBIR) is one of the most active research areas in multimedia information retrieval. Given a query image, the task is to search relevant images in a repository. Low level features like color, texture, and shape…

Computer Vision and Pattern Recognition · Computer Science 2018-12-12 Asheet Kumar , Shivam Choudhary , Vaibhav Singh Khokhar , Vikas Meena , Chiranjoy Chattopadhyay

Content-based image retrieval (CBIR) has become one of the most important research directions in the domain of digital data management. In this paper, a new feature extraction schema including the norm of low frequency components in wavelet…

Image and Video Processing · Electrical Eng. & Systems 2019-02-07 Abdolreza Rashno , Elyas Rashno

Content-based image retrieval (CBIR) of medical images in large datasets to identify similar images when a query image is given can be very useful in improving the diagnostic decision of the clinical experts and as well in educational…

Computer Vision and Pattern Recognition · Computer Science 2017-09-29 Hamed Erfankhah , Mehran Yazdi , H. R. Tizhoosh

Broadspread use of medical imaging devices with digital storage has paved the way for curation of substantial data repositories. Fast access to image samples with similar appearance to suspected cases can help establish a consulting system…

Image and Video Processing · Electrical Eng. & Systems 2022-11-29 Şaban Öztürk , Emin Celik , Tolga Cukur

Content-based image retrieval (CBIR) has the potential to significantly improve diagnostic aid and medical research in radiology. However, current CBIR systems face limitations due to their specialization to certain pathologies, limiting…

Deep learning-based approaches for content-based image retrieval (CBIR) of CT liver images is an active field of research, but suffers from some critical limitations. First, they are heavily reliant on labeled data, which can be challenging…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Kristoffer Knutsen Wickstrøm , Eirik Agnalt Østmo , Keyur Radiya , Karl Øyvind Mikalsen , Michael Christian Kampffmeyer , Robert Jenssen

In this paper, we introduce an optimum approach for querying similar images on large digital-image databases. Our work is based on RBIR (region-based image retrieval) method which uses multiple regions as the key to retrieval images. This…

Computer Vision and Pattern Recognition · Computer Science 2015-06-03 Thanh The Van , Thanh Manh Le

In tissue characterization and cancer diagnostics, multimodal imaging has emerged as a powerful technique. Thanks to computational advances, large datasets can be exploited to discover patterns in pathologies and improve diagnosis. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Eva Breznik , Elisabeth Wetzer , Joakim Lindblad , Nataša Sladoje

An information theoretic approach to security and privacy called Secure And Private Information Retrieval (SAPIR) is introduced. SAPIR is applied to distributed data storage systems. In this approach, random combinations of all contents are…

Information Theory · Computer Science 2017-06-20 Mohsen Karimzadeh Kiskani , Hamid Sadjadpour

Content-based image retrieval (CBIR) is a task of retrieving images from their contents. Since retrieval process is a time-consuming task in large image databases, acceleration methods can be very useful. This paper presents a novel method…

Image and Video Processing · Electrical Eng. & Systems 2019-12-24 Sadegh Fadaei , Abdolreza Rashno , Elyas Rashno

Content-based image retrieval (CBIR) has been one of the most important research areas in computer vision. It is a widely used method for searching images in huge databases. In this paper we present a CBIR system called NOHIS-Search. The…

Information Retrieval · Computer Science 2013-03-01 Mounira Taileb

Content-Based Image Retrieval (CBIR) systems are powerful search tools in image databases that have been little applied to hyperspectral images. Relevance feedback (RF) is an iterative process that uses machine learning techniques and…

Information Retrieval · Computer Science 2014-03-18 Miguel Angel Veganzones , Mihai Datcu , Manuel Graña

Although content-based image retrieval (CBIR) is not a new subject, it keeps attracting more and more attention, as the amount of images grow tremendously due to internet, inexpensive hardware and automation of image acquisition. One of the…

Multimedia · Computer Science 2010-02-11 Ismail I. Amr , Mohamed Amin , Passent El Kafrawy , Amr M. Sauber

There is a growing trend in studying deep hashing methods for content-based image retrieval (CBIR), where hash functions and binary codes are learnt using deep convolutional neural networks and then the binary codes can be used to do…

Computer Vision and Pattern Recognition · Computer Science 2017-11-17 Deng Cai , Xiuye Gu , Chaoqi Wang

This paper approaches the image retrieval system on the base of visual features local region RBIR (region-based image retrieval). First of all, the paper presents a method for extracting the interest points based on Harris-Laplace to create…

Computer Vision and Pattern Recognition · Computer Science 2015-07-20 Thanh The Van , Thanh Manh Le

High-resolution cameras produce huge volume of high quality images everyday. It is extremely challenging to store, share and especially search those huge images, for which increasing number of cloud services are presented to support such…

Cryptography and Security · Computer Science 2014-10-27 Lan Zhang , Taeho Jung , Puchun Feng , Xiang-Yang Li , Yunhao Liu

While content-based image retrieval (CBIR) has been extensively studied in natural image retrieval, its application to medical images presents ongoing challenges, primarily due to the 3D nature of medical images. Recent studies have shown…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Farnaz Khun Jush , Steffen Vogler , Tuan Truong , Matthias Lenga