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The application of the non conventional imaging technique LOFI (Laser Optical Feedback Imaging) to coherent microscopy is presented. This simple and efficient technique using frequency-shifted optical feedback needs the sample to be scanned…

Image quality plays an important role in the performance of deep neural networks (DNNs) that have been widely shown to exhibit sensitivity to changes in imaging conditions. Conventional image quality assessment (IQA) seeks to measure and…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Nathan Drenkow , Mathias Unberath

Face swapping has become a prominent research area in computer vision and image processing due to rapid technological advancements. The metric of measuring the quality in most face swapping methods relies on several distances between the…

Computer Vision and Pattern Recognition · Computer Science 2024-06-05 Xinghui Zhou , Wenbo Zhou , Tianyi Wei , Shen Chen , Taiping Yao , Shouhong Ding , Weiming Zhang , Nenghai Yu

Image quality assessment (IQA) is traditionally classified into full-reference (FR) IQA and no-reference (NR) IQA according to whether the original image is required. Although NR-IQA is widely used in practical applications, room for…

Computer Vision and Pattern Recognition · Computer Science 2016-09-05 Haoyi Liang , Daniel S. Weller

Super-resolution (SR), a classical inverse problem in computer vision, is inherently ill-posed, inducing a distribution of plausible solutions for every input. However, the desired result is not simply the expectation of this distribution,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Fengjia Zhang , Samrudhdhi B. Rangrej , Tristan Aumentado-Armstrong , Afsaneh Fazly , Alex Levinshtein

Low-field (LF) MRI scanners (<1T) are still prevalent in settings with limited resources or unreliable power supply. However, they often yield images with lower spatial resolution and contrast than high-field (HF) scanners. This quality…

Image and Video Processing · Electrical Eng. & Systems 2023-11-14 Seunghoi Kim , Henry F. J. Tregidgo , Ahmed K. Eldaly , Matteo Figini , Daniel C. Alexander

Image Quality Assessment (IQA) is a long-standing problem in computer vision. Previous methods typically focus on predicting numerical scores without explanation or providing low-level descriptions lacking precise scores. Recent…

Computer Vision and Pattern Recognition · Computer Science 2026-01-16 Guoqiang Liang , Jianyi Wang , Zhonghua Wu , Shangchen Zhou

Large-scale vision language pre-training has recently shown promise for no-reference image-quality assessment (NR-IQA), yet the relative merits of modern Vision Transformer foundations remain poorly understood. In this work, we present the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Ankit Yadav , Ta Duc Huy , Lingqiao Liu

We present IQA-Spider, the first image quality assessment (IQA) framework that unifies reasoning, grounding, and referring into a single LMM-based framework for multi-granularity quality understanding. Existing LMM-based IQA methods…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Xinge Peng , Yiting Lu , Xin Li , Zhibo Chen

Medical Image Quality Assessment (IQA) serves as the first-mile safety gate for clinical AI, yet existing approaches remain constrained by scalar, score-based metrics and fail to reflect the descriptive, human-like reasoning process central…

We propose a novel certified defense method for Image Quality Assessment (IQA) models based on randomized smoothing with noise applied in the feature space rather than the input space. Unlike prior approaches that inject Gaussian noise…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 Ekaterina Shumitskaya , Dmitriy Vatolin , Anastasia Antsiferova

Medical imaging quality control (QC) is essential for accurate diagnosis, yet traditional QC methods remain labor-intensive and subjective. To address this challenge, in this study, we establish a standardized dataset and evaluation…

Automatic Perceptual Image Quality Assessment is a challenging problem that impacts billions of internet, and social media users daily. To advance research in this field, we propose a Mixture of Experts approach to train two separate…

Computer Vision and Pattern Recognition · Computer Science 2023-05-30 Avinab Saha , Sandeep Mishra , Alan C. Bovik

Full-reference image quality assessment (FR-IQA) techniques compare a reference and a distorted/test image and predict the perceptual quality of the test image in terms of a scalar value representing an objective score. The evaluation of…

Computer Vision and Pattern Recognition · Computer Science 2014-12-18 Ashirbani Saha , Q. M. Jonathan Wu

Microplastic pollution studies depend on reliable identification of the suspicious particles. Out of the various analytical techniques available to characterize them, infrared transflectance using a tuneable mid-IR quantum cascade laser is…

Instrumentation and Detectors · Physics 2025-04-01 Adrian Lopez-Rosales , Borja Ferreiro , Jose Andrade , Andreas Kerstan , Darren Robey , Soledad Muniategui

The goal of full-reference image quality assessment (FR-IQA) is to predict the quality of an image as perceived by human observers with using its pristine, reference counterpart. In this study, we explore a novel, combined approach which…

Computer Vision and Pattern Recognition · Computer Science 2020-12-04 Domonkos Varga

Image Quality Assessment (IQA) models aim to predict perceptual image quality in alignment with human judgments. No-Reference (NR) IQA remains particularly challenging due to the absence of a reference image. While deep learning has…

Image and Video Processing · Electrical Eng. & Systems 2025-07-18 Rajesh Sureddi , Saman Zadtootaghaj , Nabajeet Barman , Alan C. Bovik

Light field (LF) images containing information for multiple views have numerous applications, which can be severely affected by low-light imaging. Recent learning-based methods for low-light enhancement have some disadvantages, such as a…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Shansi Zhang , Nan Meng , Edmund Y. Lam

Image Quality Assessment (IQA) aims to evaluate the perceptual quality of images based on human subjective perception. Existing methods generally combine multiscale features to achieve high performance, but most rely on straightforward…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Chenyue Song , Chen Hui , Wei Zhang , Haiqi Zhu , Shaohui Liu , Hong Huang , Feng Jiang

Objective:To develop a no-reference image quality assessment method using automated distortion recognition to boost MRI-guided radiotherapy precision.Methods:We analyzed 106,000 MR images from 10 patients with liver metastasis,captured with…

Image and Video Processing · Electrical Eng. & Systems 2024-12-11 Zilin Wang , Shengqi Chen , Jianrong Dai , Shirui Qin , Ying Cao , Ruiao Zhao , Guohua Wu , Yuan Tang , Jiayun Chen
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