English
Related papers

Related papers: No-Reference Light Field Image Quality Assessment …

200 papers

No-Reference Image Quality Assessment (NR-IQA) aims to assess the perceptual quality of images in accordance with human subjective perception. Unfortunately, existing NR-IQA methods are far from meeting the needs of predicting accurate…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 Sidi Yang , Tianhe Wu , Shuwei Shi , Shanshan Lao , Yuan Gong , Mingdeng Cao , Jiahao Wang , Yujiu Yang

No-Reference Image Quality Assessment (NR-IQA) remains a challenging task due to the diversity of distortions and the lack of large annotated datasets. Many studies have attempted to tackle these challenges by developing more accurate…

Computer Vision and Pattern Recognition · Computer Science 2024-09-09 Nasim Jamshidi Avanaki , Abhijay Ghildyal , Nabajeet Barman , Saman Zadtootaghaj

Face image quality assessment (FIQA) plays a critical role in face recognition and verification systems, especially in uncontrolled, real-world environments. Although several methods have been proposed, general-purpose no-reference image…

Computer Vision and Pattern Recognition · Computer Science 2025-09-15 MohammadAli Hamidi , Hadi Amirpour , Luigi Atzori , Christian Timmerer

Light field imaging extends the traditional photography by capturing both spatial and angular distribution of light, which enables new capabilities, including post-capture refocusing, post-capture aperture control, and depth estimation from…

Computer Vision and Pattern Recognition · Computer Science 2018-03-14 M. Shahzeb Khan Gul , Bahadir K. Gunturk

No-reference image quality assessment (NR-IQA) is a fundamental yet challenging task in low-level computer vision community. The difficulty is particularly pronounced for the limited information, for which the corresponding reference for…

Computer Vision and Pattern Recognition · Computer Science 2018-04-06 Kwan-Yee Lin , Guanxiang Wang

Light field (LF) imaging captures both angular and spatial light distributions, enabling advanced photographic techniques. However, micro-lens array (MLA)- based cameras face a spatial-angular resolution tradeoff due to a single shared…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Javeria Shabbir , Muhammad Zeshan. Alam , M. Umair Mukati

Digital images contain a lot of redundancies, therefore, compression techniques are applied to reduce the image size without loss of reasonable image quality. Same become more prominent in the case of videos which contains image sequences…

Computer Vision and Pattern Recognition · Computer Science 2023-05-17 Nisar Ahmed , Hafiz Muhammad Shahzad Asif , Hassan Khalid

Blind image quality assessment (BIQA) is a task that predicts the perceptual quality of an image without its reference. Research on BIQA attracts growing attention due to the increasing amount of user-generated images and emerging mobile…

Image and Video Processing · Electrical Eng. & Systems 2023-03-24 Zhanxuan Mei , Yun-Cheng Wang , Xingze He , Yong Yan , C. -C. Jay Kuo

In this paper, we propose a no-reference (NR) image quality assessment (IQA) method via feature level pseudo-reference (PR) hallucination. The proposed quality assessment framework is grounded on the prior models of natural image…

Image and Video Processing · Electrical Eng. & Systems 2022-10-26 Baoliang Chen , Lingyu Zhu , Chenqi Kong , Hanwei Zhu , Shiqi Wang , Zhu Li

No-Reference Image Quality Assessment (NR-IQA) aims at estimating image quality in accordance with subjective human perception. However, most methods focus on exploring increasingly complex networks to improve the final…

Computer Vision and Pattern Recognition · Computer Science 2024-09-12 Ronghua Liao , Chen Hui , Lang Yuan , Haiqi Zhu , Feng Jiang

Neural View Synthesis (NVS) has demonstrated efficacy in generating high-fidelity dense viewpoint videos using a image set with sparse views. However, existing quality assessment methods like PSNR, SSIM, and LPIPS are not tailored for the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-12 Qiang Qu , Hanxue Liang , Xiaoming Chen , Yuk Ying Chung , Yiran Shen

Recent advancements in the field of No-Reference Image Quality Assessment (NR-IQA) using deep learning techniques demonstrate high performance across multiple open-source datasets. However, such models are typically very large and complex…

Computer Vision and Pattern Recognition · Computer Science 2024-09-09 Nasim Jamshidi Avanaki , Abhijay Ghildyal , Nabajeet Barman , Saman Zadtootaghaj

Image quality assessment(IQA) is of increasing importance for image-based applications. Its purpose is to establish a model that can replace humans for accurately evaluating image quality. According to whether the reference image is…

Image and Video Processing · Electrical Eng. & Systems 2022-01-12 Lanjiang Wang

Light-field cameras (LFC) have received increasing attention due to their wide-spread applications. However, current LFCs suffer from the well-known spatio-angular trade-off, which is considered as an inherent and fundamental limit for LFC…

Computer Vision and Pattern Recognition · Computer Science 2019-02-18 Hao Zhu , Mantang Guo , Hongdong Li , Qing Wang , Antonio Robles-Kelly

We propose a new prototype model for no-reference video quality assessment (VQA) based on the natural statistics of space-time chips of videos. Space-time chips (ST-chips) are a new, quality-aware feature space which we define as space-time…

Image and Video Processing · Electrical Eng. & Systems 2020-08-25 Joshua P. Ebenezer , Zaixi Shang , Yongjun Wu , Hai Wei , Alan C. Bovik

Image Quality Assessment (IQA) algorithms evaluate the perceptual quality of an image using evaluation scores that assess the similarity or difference between two images. We propose a new low-level feature based IQA technique, which applies…

Multimedia · Computer Science 2017-12-04 Navaneeth K. Kottayil , Irene Cheng , Frederic Dufaux , Anup Basu

Development of perceptual image quality assessment (IQA) metrics has been of significant interest to computer vision community. The aim of these metrics is to model quality of an image as perceived by humans. Recent works in Full-reference…

Image and Video Processing · Electrical Eng. & Systems 2022-03-03 Saikat Dutta , Sourya Dipta Das , Nisarg A. Shah

Human fingerprints are detailed and nearly unique markers of human identity. Such a unique and stable fingerprint is also left on each acquired image. It can reveal how an image was degraded during the image acquisition procedure and thus…

Image and Video Processing · Electrical Eng. & Systems 2020-09-17 Weihao Xia , Yujiu Yang , Jing-Hao Xue , Jing Xiao

In this paper, we quest the capability of transferring the quality of natural scene images to the images that are not acquired by optical cameras (e.g., screen content images, SCIs), rooted in the widely accepted view that the human visual…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Baoliang Chen , Haoliang Li , Hongfei Fan , Shiqi Wang

A new numerically and experimentally tested measurement method for the local electrical light field including its phase is presented. The method is based on Self Referencing Interferograms (SRI) such as shearing interferograms. The complex…

Instrumentation and Detectors · Physics 2016-10-27 Martin Berz , Cordelia Berz