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Motion artefacts in magnetic resonance brain images can have a strong impact on diagnostic confidence. The assessment of MR image quality is fundamental before proceeding with the clinical diagnosis. Motion artefacts can alter the…

Image and Video Processing · Electrical Eng. & Systems 2023-03-03 Alessandro Sciarra , Soumick Chatterjee , Max Dünnwald , Giuseppe Placidi , Andreas Nürnberger , Oliver Speck , Steffen Oeltze-Jafra

Image Captioning is a current research task to describe the image content using the objects and their relationships in the scene. To tackle this task, two important research areas converge, artificial vision, and natural language…

Computer Vision and Pattern Recognition · Computer Science 2023-02-15 Othón González-Chávez , Guillermo Ruiz , Daniela Moctezuma , Tania A. Ramirez-delReal

Signal-quality awareness has been found to increase recognition rates and to support decisions in multisensor environments significantly. Nevertheless, automatic quality assessment is still an open issue. Here, we study the orientation…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Hartwig Fronthaler , Klaus Kollreider , Josef Bigun , Julian Fierrez , Fernando Alonso-Fernandez , Javier Ortega-Garcia , Joaquin Gonzalez-Rodriguez

Edge-preserving filters play an essential role in some of the most basic tasks of computational photography, such as abstraction, tonemapping, detail enhancement and texture removal, to name a few. The abundance and diversity of smoothing…

Image and Video Processing · Electrical Eng. & Systems 2021-01-01 Sarah Gingichashvili , Dani Lischinski

AI-based text-to-image models do not only excel at generating realistic images, they also give designers more and more fine-grained control over the image content. Consequently, these approaches have gathered increased attention within the…

Computer Vision and Pattern Recognition · Computer Science 2025-01-30 Sebastian Hartwig , Dominik Engel , Leon Sick , Hannah Kniesel , Tristan Payer , Poonam Poonam , Michael Glöckler , Alex Bäuerle , Timo Ropinski

Image super-resolution models are commonly evaluated by average scores (over some benchmark test sets), which fail to reflect the performance of these models on images of varying difficulty and that some models generate artifacts on certain…

Computer Vision and Pattern Recognition · Computer Science 2025-10-02 Atakan Topaloglu , Ahmet Bilican , Cansu Korkmaz , A. Murat Tekalp

Despite the great advances made in the field of image super-resolution (ISR) during the last years, the performance has merely been evaluated perceptually. Thus, it is still unclear whether ISR is helpful for other vision tasks. In this…

Computer Vision and Pattern Recognition · Computer Science 2016-01-29 Dengxin Dai , Yujian Wang , Yuhua Chen , Luc Van Gool

Centrality is one of the most fundamental metrics in network science. Despite an abundance of methods for measuring centrality of individual vertices, there are by now only a few metrics to measure centrality of individual edges. We modify…

Physics and Society · Physics 2019-09-25 Timo Bröhl , Klaus Lehnertz

Due to the existence of quality degradations introduced in various stages of visual signal acquisition, compression, transmission and display, image quality assessment (IQA) plays a vital role in image-based applications. According to…

Image and Video Processing · Electrical Eng. & Systems 2022-04-14 Dongxu Wang

The performance of face analysis and recognition systems depends on the quality of the acquired face data, which is influenced by numerous factors. Automatically assessing the quality of face data in terms of biometric utility can thus be…

Computer Vision and Pattern Recognition · Computer Science 2022-01-14 Torsten Schlett , Christian Rathgeb , Olaf Henniger , Javier Galbally , Julian Fierrez , Christoph Busch

Edges are image locations where the gray value intensity changes suddenly. They are among the most important features to understand and segment an image. Edge detection is a standard task in digital image processing, solved for example…

Quantum Physics · Physics 2022-03-24 Alexander Geng , Ali Moghiseh , Claudia Redenbach , Katja Schladitz

Purpose: Many useful image quality metrics for evaluating linear image reconstruction techniques do not apply to or are difficult to interpret for non-linear image reconstruction. The vast majority of metrics employed for evaluating…

The existing traditional edge detection algorithms process a single pixel on an image at a time, thereby calculating a value which shows the edge magnitude of the pixel and the edge orientation. Most of these existing algorithms convert the…

Computer Vision and Pattern Recognition · Computer Science 2015-03-20 B. O Sadiq , S. M Sani , S Garba

Lossy Image compression is necessary for efficient storage and transfer of data. Typically the trade-off between bit-rate and quality determines the optimal compression level. This makes the image quality metric an integral part of any…

Computer Vision and Pattern Recognition · Computer Science 2021-07-16 Juan Carlos Mier , Eddie Huang , Hossein Talebi , Feng Yang , Peyman Milanfar

Recent research has explored using neural networks to reconstruct undersampled magnetic resonance imaging (MRI) data. Because of the complexity of the artifacts in the reconstructed images, there is a need to develop task-based approaches…

Image and Video Processing · Electrical Eng. & Systems 2022-10-25 Joshua D. Herman , Rachel E. Roca , Alexandra G. O'Neill , Marcus L. Wong , Sajan G. Lingala , Angel R. Pineda

We propose SADGE, a quantitative similarity metric that predicts the performance of synthetic image datasets for common computer vision tasks without downstream model training. Estimating whether a synthetic dataset will lead to a model…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Patryk Bartkowiak , Bartosz Kotrys , Dominik Michels , Soren Pirk , Wojtek Palubicki

Medical image enhancement is crucial for improving the quality and interpretability of diagnostic images, ultimately supporting early detection, accurate diagnosis, and effective treatment planning. Despite advancements in imaging…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Chun Wai Chin , Haniza Yazid , Hoi Leong Lee

This review provides an overview of the literature on the edge detection methods for pattern recognition that inspire from the understanding of human vision. We note that edge detection is one of the most fundamental process within the low…

Computer Vision and Pattern Recognition · Computer Science 2016-02-16 Alex Pappachen James

Face recognition applications in practice are composed of two main steps: face detection and feature extraction. In a sole vision-based solution, the first step generates multiple detection for a single identity by ingesting a camera…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Sefa Burak Okcu , Burak Oğuz Özkalaycı , Cevahir Çığla

Edge detection is crucial in image processing, but existing methods often produce overly detailed edge maps, affecting clarity. Fixed-window statistical testing faces issues like scale mismatch and computational redundancy. To address…

Computer Vision and Pattern Recognition · Computer Science 2025-05-05 Ruyu Yan , Da-Qing Zhang