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The query-by-image video retrieval (QBIVR) task has been attracting considerable research attention recently. However, most existing methods represent a video by either aggregating or projecting all its frames into a single datum point,…

Multimedia · Computer Science 2016-12-07 Ruicong Xu , Yang Yang , Yadan Luo , Fumin Shen , Zi Huang , Heng Tao Shen

This paper discusses current methods and trends for 3D bounding box detection in volumetric medical image data. For this purpose, an overview of relevant papers from recent years is given. 2D and 3D implementations are discussed and…

Image and Video Processing · Electrical Eng. & Systems 2021-05-18 Daria Kern , Andre Mastmeyer

Medical image analysis tasks often focus on regions or structures located in a particular location within the patient's body. Often large parts of the image may not be of interest for the image analysis task. When using deep-learning based…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Thomas Buddenkotte , Roland Opfer , Julia Krüger , Alessa Hering , Mireia Crispin-Ortuzar

The volume estimation of brain regions from MRI data is a key problem in many clinical applications, where the acquisition of data at high spatial resolution is desirable. While parallel MRI and constrained image reconstruction algorithms…

Image and Video Processing · Electrical Eng. & Systems 2021-05-20 Aniket Pramanik , Xiaodong Wu , Mathews Jacob

In this paper, region based and location based retrieval systems have been implemented for retrieval of MR-T2 axial 2-D brain images. This is done by extracting and characterizing the tumor portion of 2-D brain slices by use of a suitable…

Computer Vision and Pattern Recognition · Computer Science 2013-12-10 Krishna A N , B G Prasad

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

Image-based shape retrieval (IBSR) aims to retrieve 3D models from a database given a query image, hence addressing a classical task in computer vision, computer graphics, and robotics. Recent approaches typically rely on bridging the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Paul Julius Kühn , Cedric Spengler , Michael Weinmann , Arjan Kuijper , Saptarshi Neil Sinha

Recently, the Magnetic Resonance Imaging (MRI) images have limited and unsatisfactory resolutions due to various constraints such as physical, technological and economic considerations. Super-resolution techniques can obtain high-resolution…

Computer Vision and Pattern Recognition · Computer Science 2019-02-14 Yinghua Li , Bin Song , Jie Guo , Xiaojiang Du , Mohsen Guizani

Computer Aid Diagnosis (CAD) has developed digital pathology with Deep Learning (DL)-based tools to assist pathologists in decision-making. Content-Based Histopathological Image Retrieval (CBHIR) is a novel tool to seek highly correlated…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Zahra Tabatabaei , Adrián Colomer , JAvier Oliver Moll , Valery Naranjo

In this study we evaluated the task-based image quality of a low contrast clinical task for the abdomen protocol (e.g., pancreatic tumour) of three different CT vendors, exploiting three model-based iterative reconstruction (MBIR) levels.…

Medical Physics · Physics 2023-01-23 G. Muti , S. Riga , L. Berta , D. Curto , C. De Mattia , M. Felisi , F. Rizzetto , A. Torresin , A. Vanzulli , P. E. Colombo

Objective: Applying large language models (LLMs) to the clinical domain is challenging due to the context-heavy nature of processing medical records. Retrieval-augmented generation (RAG) offers a solution by facilitating reasoning over…

Computation and Language · Computer Science 2025-08-21 Skatje Myers , Timothy A. Miller , Yanjun Gao , Matthew M. Churpek , Anoop Mayampurath , Dmitriy Dligach , Majid Afshar

Neuroimaging to neuropathology correlation (NTNC) promises to enable the transfer of microscopic signatures of pathology to in vivo imaging with MRI, ultimately enhancing clinical care. NTNC traditionally requires a volumetric MRI scan,…

Model-based iterative reconstruction (MBIR) techniques have demonstrated many advantages in X-ray CT image reconstruction. The MBIR approach is often modeled as a convex optimization problem including a data fitting function and a penalty…

Optimization and Control · Mathematics 2015-12-09 Meng Wu , Andreas Maier , Qiao Yang , Rebecca Fahrig

With the recent introduction of CT scanners with large cone angles, wide coverage detectors now provide a desirable scanning platform for cardiac CT that allows whole heart imaging in a single rotation. On these scanners, while half-scan…

Image and Video Processing · Electrical Eng. & Systems 2018-12-21 Amirkoushyar Ziabari , Dong Hye Ye , Lin Fu , Somesh Srivastava , Ken D. Sauer , Jean-Baptist Thibault , Charles A. Bouman

Fine-grained image retrieval via hand-drawn sketches or textual descriptions remains a critical challenge due to inherent modality gaps. While hand-drawn sketches capture complex structural contours, they lack color and texture, which text…

Computer Vision and Pattern Recognition · Computer Science 2026-04-20 Siyuan Wang , Hanchen Gao , Guangming Zhu , Jiang Lu , Yiyue Ma , Tianci Wu , Jincai Huang , Liang Zhang

From The late 90th, "Skin Detection" becomes one of the major problems in image processing. If "Skin Detection" will be done in high accuracy, it can be used in many cases as face recognition, Human Tracking and etc. Until now so many…

Computer Vision and Pattern Recognition · Computer Science 2012-07-09 Shervan Fekri-Ershad , Mohammad Saberi , Farshad Tajeripour

Medical imaging analysis plays a critical role in the diagnosis and treatment of various medical conditions. This paper focuses on chest X-ray images and their corresponding radiological reports. It presents a new model that learns a joint…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Gefen Dawidowicz , Elad Hirsch , Ayellet Tal

Composed Image Retrieval (CIR) is the task of retrieving images matching a reference image augmented with a text, where the text describes changes to the reference image in natural language. Traditionally, models designed for CIR have…

Computer Vision and Pattern Recognition · Computer Science 2025-06-16 Yiqun Duan , Sameera Ramasinghe , Stephen Gould , Ajanthan Thalaiyasingam

The segmentation of organs in volumetric medical images plays an important role in computer-aided diagnosis and treatment/surgery planning. Conventional 2D convolutional neural networks (CNNs) can hardly exploit the spatial correlation of…

Image and Video Processing · Electrical Eng. & Systems 2024-05-21 Zhuoyuan Wang , Dong Sun , Xiangyun Zeng , Ruodai Wu , Yi Wang

Near- and duplicate image detection is a critical concern in the field of medical imaging. Medical datasets often contain similar or duplicate images from various sources, which can lead to significant performance issues and evaluation…

Computer Vision and Pattern Recognition · Computer Science 2024-06-14 Tuan Truong , Farnaz Khun Jush , Matthias Lenga