English
Related papers

Related papers: Comprehensive Performance Analysis of Objective Qu…

200 papers

Visual quality assessment of digital holograms is facing many challenges. Main difficulties are related to the limited spatial resolution and angular field of view of holographic displays in combination with the complexity of steering and…

Image and Video Processing · Electrical Eng. & Systems 2020-11-30 Ayyoub Ahar , Maksymilian Chlipala , Tobias Birnbaum , Weronika Zaperty , Athanasia Symeonidou , Tomasz Kozacki , Malgorzata Kujawinska , Peter Schelkens

Objective image quality metrics try to estimate the perceptual quality of the given image by considering the characteristics of the human visual system. However, it is possible that the metrics produce different quality scores even for two…

Multimedia · Computer Science 2021-01-22 Manri Cheon , Toinon Vigier , Lukáš Krasula , Junghyuk Lee , Patrick Le Callet , Jong-Seok Lee

High dynamic range (HDR) rendering has the ability to faithfully reproduce the wide luminance ranges in natural scenes, but how to accurately assess the rendering quality is relatively underexplored. Existing quality models are mostly…

Image and Video Processing · Electrical Eng. & Systems 2024-09-11 Peibei Cao , Rafal K. Mantiuk , Kede Ma

While there exists a wide variety of Low Dynamic Range (LDR) quality metrics, only a limited number of metrics are designed specifically for the High Dynamic Range (HDR) content. With the introduction of HDR video compression…

Image and Video Processing · Electrical Eng. & Systems 2018-03-14 Maryam Azimi , Amin Banitalebi-Dehkordi , Yuanyuan Dong , Mahsa T. Pourazad , Panos Nasiopoulos

In an earlier study, we gathered perceptual evaluations of the audio, video, and audiovisual quality for 360 audiovisual content. This paper investigates perceived audiovisual quality prediction based on objective quality metrics and…

Multimedia · Computer Science 2021-12-24 Randy Frans Fela , Nick Zacharov , Søren Forchhammer

Objective visual quality assessment of 3D models is a fundamental issue in computer graphics. Quality assessment metrics may allow a wide range of processes to be guided and evaluated, such as level of detail creation, compression,…

Computer Vision and Pattern Recognition · Computer Science 2021-02-09 Jinjiang Guo , Vincent Vidal , Irene Cheng , Anup Basu , Atilla Baskurt , Guillaume Lavoue

The main focus of this document is to evaluate the performance of the existing LDR and HDR metrics on HDR video content which in turn will allow for a better understanding of how well each of these metrics work and if they can be applied in…

Image and Video Processing · Electrical Eng. & Systems 2018-03-16 Amin Banitalebi-Dehkordi , Maryam Azimi , Yuanyuan Dong , Mahsa T. Pourazad , Panos Nasiopoulos

A key factor in designing 3D systems is to understand how different visual cues and distortions affect the perceptual quality of 3D video. The ultimate way to assess video quality is through subjective tests. However, subjective evaluation…

Computer Vision and Pattern Recognition · Computer Science 2018-03-14 Amin Banitalebi Dehkordi

We propose a new method for the visual quality assessment of 360-degree (omnidirectional) videos. The proposed method is based on computing multiple spatio-temporal objective quality features on viewports extracted from 360-degree videos. A…

Multimedia · Computer Science 2021-05-04 Roberto G. de A. Azevedo , Neil Birkbeck , Ivan Janatra , Balu Adsumilli , Pascal Frossard

This paper presents a method for estimating the resolution of a digital holographic microscope using neural network analysis of reconstructed images. The spectral bandwidth of the source ($\Delta \lambda$) is used as a controlled image…

Optics · Physics 2026-05-12 A. G. Fedorov

In tomographic reconstruction, the image quality of the reconstructed images can be significantly degraded by defects in the measured two-dimensional (2D) raw image data. Despite the importance of screening defective 2D images for robust…

Image and Video Processing · Electrical Eng. & Systems 2019-10-29 Donghun Ryu , Youngju Jo , Jihyeong Yoo , Taean Chang , Daewoong Ahn , Young Seo Kim , Geon Kim , Hyun-seok Min , Yongkeun Park

We study the visual quality judgments of human subjects on digital human avatars (sometimes referred to as "holograms" in the parlance of virtual reality [VR] and augmented reality [AR] systems) that have been subjected to distortions. We…

Image and Video Processing · Electrical Eng. & Systems 2024-10-04 Yu-Chih Chen , Avinab Saha , Alexandre Chapiro , Christian Häne , Jean-Charles Bazin , Bo Qiu , Stefano Zanetti , Ioannis Katsavounidis , Alan C. Bovik

In order to assure a stable series of recorded images of sufficient quality for further scientific analysis, an objective image quality measure is required. Especially when dealing with ground-based observations, which are subject to…

Solar and Stellar Astrophysics · Physics 2020-11-11 Robert Jarolim , Astrid Veronig , Werner Pötzi , Tatiana Podladchikova

Intrinsic image decomposition and inverse rendering are long-standing problems in computer vision. To evaluate albedo recovery, most algorithms report their quantitative performance with a mean Weighted Human Disagreement Rate (WHDR) metric…

Computer Vision and Pattern Recognition · Computer Science 2023-06-30 Jiaye Wu , Sanjoy Chowdhury , Hariharmano Shanmugaraja , David Jacobs , Soumyadip Sengupta

As applications using immersive media gained increased attention from both academia and industry, research in the field of point cloud compression has greatly intensified in recent years, leading to the development of the MPEG compression…

Image and Video Processing · Electrical Eng. & Systems 2024-11-01 Davi Lazzarotto , Michela Testolina , Touradj Ebrahimi

Stereoscopic video technologies have been introduced to the consumer market in the past few years. A key factor in designing a 3D system is to understand how different visual cues and distortions affect the perceptual quality of…

Image and Video Processing · Electrical Eng. & Systems 2018-03-14 Amin Banitalebi-Dehkordi , Mahsa T. Pourazad , Panos Nasiopoulos

High dynamic range (HDR) and wide color gamut (WCG) technologies significantly improve color reproduction compared to standard dynamic range (SDR) and standard color gamuts, resulting in more accurate, richer, and more immersive images.…

Quality scores provide a measure to evaluate the utility of biometric samples for biometric recognition. Biometric recognition systems require high-quality samples to achieve optimal performance. This paper focuses on face images and the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-25 Biying Fu , Cong Chen , Olaf Henniger , Naser Damer

Nowadays, image compression solutions are increasingly designed to operate within high-fidelity quality ranges, where preserving even the most subtle details of the original image is essential. In this context, the ability to detect and…

Multimedia · Computer Science 2025-09-17 Shima Mohammadi , Mohsen Jenadeleh , Jon Sneyers , Dietmar Saupe , João Ascenso

Computer-generated holograms with their animated, three-dimensional appearance have long appealed to our imagination as the path towards truly immersive displays with bi-directional natural parallax. Impressive progress in updateable 3-D…

‹ Prev 1 2 3 10 Next ›