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2,932 Results Found

  • Article
  • Open Access
2 Citations
4,165 Views
20 Pages

26 October 2019

In this paper we present a novel no-reference video quality measure, NR-FFM (no-reference frame–freezing measure), designed to estimate quality degradations caused by frame freezing of streamed video. The performance of the measure was evaluate...

  • Article
  • Open Access
34 Citations
7,090 Views
17 Pages

22 October 2018

No-reference (NR) image quality assessment (IQA) objectively measures the image quality consistently with subjective evaluations by using only the distorted image. In this paper, we focus on the problem of NR IQA for blurred images and propose a new...

  • Article
  • Open Access
3 Citations
2,284 Views
32 Pages

A No-Reference Quality Assessment Method for Hyperspectral Sharpened Images via Benford’s Law

  • Xiankun Hao,
  • Xu Li,
  • Jingying Wu,
  • Baoguo Wei,
  • Yujuan Song and
  • Bo Li

27 March 2024

In recent years, hyperspectral (HS) sharpening technology has received high attention and HS sharpened images have been widely applied. However, the quality assessment of HS sharpened images has not been well addressed and is still limited to the use...

  • Article
  • Open Access
42 Citations
9,627 Views
17 Pages

23 December 2021

No-reference image quality assessment (NR-IQA) has always been a difficult research problem because digital images may suffer very diverse types of distortions and their contents are extremely various. Moreover, IQA is also a very hot topic in the re...

  • Article
  • Open Access
10 Citations
5,090 Views
24 Pages

With the development of digital imaging techniques, image quality assessment methods are receiving more attention in the literature. Since distortion-free versions of camera images in many practical, everyday applications are not available, the need...

  • Article
  • Open Access
2 Citations
1,411 Views
25 Pages

LDANet represents an innovative no-reference quality assessment model specifically engineered to evaluate colorized infrared images. This is a crucial task for various applications, and existing methods often fail to capture color-specific distortion...

  • Article
  • Open Access
3 Citations
3,223 Views
16 Pages

16 December 2022

Intelligent video surveillance (IVS) technology is widely used in various security systems. However, quality degradation in surveillance images (SIs) may affect its performance on vision-based tasks, leading to the difficulties in the IVS system extr...

  • Article
  • Open Access
16 Citations
5,058 Views
21 Pages

An Efficient Method for No-Reference Video Quality Assessment

  • Mirko Agarla,
  • Luigi Celona and
  • Raimondo Schettini

Methods for No-Reference Video Quality Assessment (NR-VQA) of consumer-produced video content are largely investigated due to the spread of databases containing videos affected by natural distortions. In this work, we design an effective and efficien...

  • Article
  • Open Access
32 Citations
7,121 Views
21 Pages

5 February 2021

The perceptual quality of digital images is often deteriorated during storage, compression, and transmission. The most reliable way of assessing image quality is to ask people to provide their opinions on a number of test images. However, this is an...

  • Article
  • Open Access
13 Citations
3,662 Views
17 Pages

29 September 2021

With the tremendous growth and usage of digital images, no-reference image quality assessment is becoming increasingly important. This paper presents in-depth analysis of Benford’s law inspired first digit distribution feature vectors for no-referenc...

  • Article
  • Open Access
5 Citations
2,479 Views
18 Pages

No-Reference Quality Assessment of Transmitted Stereoscopic Videos Based on Human Visual System

  • Md Mehedi Hasan,
  • Md. Ariful Islam,
  • Sejuti Rahman,
  • Michael R. Frater and
  • John F. Arnold

7 October 2022

Provisioning the stereoscopic 3D (S3D) video transmission services of admissible quality in a wireless environment is an immense challenge for video service providers. Unlike for 2D videos, a widely accepted No-reference objective model for assessing...

  • Article
  • Open Access
28 Citations
7,113 Views
19 Pages

The goal of no-reference image quality assessment (NR-IQA) is to predict the quality of an image as perceived by human observers without using any pristine, reference images. In this study, an NR-IQA algorithm is proposed which is driven by a novel f...

  • Article
  • Open Access
30 Citations
4,308 Views
24 Pages

27 January 2022

The majority of existing deep learning pan-sharpening methods often use simulated degraded reference data due to the missing of real fusion labels which affects the fusion performance. The normally used convolutional neural network (CNN) can only ext...

  • Review
  • Open Access
4 Citations
2,214 Views
19 Pages

No-Reference Objective Quality Metrics for 3D Point Clouds: A Review

  • Simone Porcu,
  • Claudio Marche and
  • Alessandro Floris

19 November 2024

Three-dimensional (3D) applications lead the digital transition toward more immersive and interactive multimedia technologies. Point clouds (PCs) are a fundamental element in capturing and rendering 3D digital environments, but they present significa...

  • Article
  • Open Access
8 Citations
4,805 Views
15 Pages

The goal of no-reference image quality assessment (NR-IQA) is to evaluate their perceptual quality of digital images without using the distortion-free, pristine counterparts. NR-IQA is an important part of multimedia signal processing since digital i...

  • Article
  • Open Access
6 Citations
3,939 Views
20 Pages

12 November 2021

No-reference video quality assessment (NR-VQA) has piqued the scientific community’s interest throughout the last few decades, owing to its importance in human-centered interfaces. The goal of NR-VQA is to predict the perceptual quality of digital vi...

  • Article
  • Open Access
12 Citations
5,723 Views
19 Pages

17 March 2020

Image quality assessment (IQA) aims to devise computational models to evaluate image quality in a perceptually consistent manner. In this paper, a novel no-reference image quality assessment model based on dual-domain feature fusion is proposed, dubb...

  • Article
  • Open Access
5 Citations
3,544 Views
19 Pages

3 June 2023

When image quality is evaluated, the human visual system (HVS) infers the details in the image through its internal generative mechanism. In this process, the HVS integrates both local and global information about the image, utilizes contextual infor...

  • Article
  • Open Access
31 Citations
7,049 Views
18 Pages

No-reference image quality assessment (NR-IQA) methods automatically and objectively predict the perceptual quality of images without access to a reference image. Therefore, due to the lack of pristine images in most medical image acquisition systems...

  • Feature Paper
  • Article
  • Open Access
17 Citations
4,645 Views
15 Pages

No-Reference Image Blur Assessment Based on Response Function of Singular Values

  • Shanqing Zhang,
  • Pengcheng Li,
  • Xianghua Xu,
  • Li Li and
  • Ching-Chun Chang

1 August 2018

Blur is an important factor affecting the image quality. This paper presents an efficient no-reference (NR) image blur assessment method based on a response function of singular values. For an image, the grayscale image is computed to the acquire spa...

  • Article
  • Open Access
5 Citations
3,353 Views
11 Pages

No-Reference Image Quality Assessment Based on Image Multi-Scale Contour Prediction

  • Fan Wang,
  • Jia Chen,
  • Haonan Zhong,
  • Yibo Ai and
  • Weidong Zhang

10 March 2022

Accurately assessing image quality is a challenging task, especially without a reference image. Currently, most of the no-reference image quality assessment methods still require reference images in the training stage, but reference images are usuall...

  • Article
  • Open Access
9 Citations
2,826 Views
9 Pages

23 September 2022

Deep learning has recently been used to study blind image quality assessment (BIQA) in great detail. Yet, the scarcity of high-quality algorithms prevents from developing them further and being used in a real-time scenario. Patch-based techniques hav...

  • Article
  • Open Access
24 Citations
9,355 Views
41 Pages

On the Application LBP Texture Descriptors and Its Variants for No-Reference Image Quality Assessment

  • Pedro Garcia Freitas,
  • Luísa Peixoto Da Eira,
  • Samuel Soares Santos and
  • Mylene Christine Queiroz de Farias

4 October 2018

Automatic assessing the quality of an image is a critical problem for a wide range of applications in the fields of computer vision and image processing. For example, many computer vision applications, such as biometric identification, content retrie...

  • Article
  • Open Access
4 Citations
1,968 Views
19 Pages

21 January 2025

The increasing integration of autonomous driving systems into modern vehicles heightens the significance of Image Quality Assessment (IQA), as it pertains directly to vehicular safety. In this context, the development of metrics that can emulate the...

  • Article
  • Open Access
7 Citations
6,576 Views
21 Pages

10 December 2022

During acquisition, storage, and transmission, the quality of digital videos degrades significantly. Low-quality videos lead to the failure of many computer vision applications, such as object tracking or detection, intelligent surveillance, etc. Ove...

  • Article
  • Open Access
1,642 Views
17 Pages

11 October 2025

Deepfake technology, which utilizes advanced AI models such as Generative Adversarial Networks (GANs), has led to the proliferation of highly convincing manipulated media, posing significant challenges for detection. Existing detection methods often...

  • Article
  • Open Access
13 Citations
6,518 Views
22 Pages

Methods of image quality assessment are widely used for ranking computer vision algorithms or controlling the perceptual quality of video and streaming applications. The ever-increasing number of digital images has encouraged the research in this fie...

  • Article
  • Open Access
10 Citations
4,142 Views
21 Pages

7 September 2022

Objective quality assessment of natural images plays a key role in many fields related to imaging and sensor technology. Thus, this paper intends to introduce an innovative quality-aware feature extraction method for no-reference image quality assess...

  • Article
  • Open Access
15 Citations
5,063 Views
17 Pages

12 March 2022

With the constantly growing popularity of video-based services and applications, no-reference video quality assessment (NR-VQA) has become a very hot research topic. Over the years, many different approaches have been introduced in the literature to...

  • Article
  • Open Access
9 Citations
3,113 Views
16 Pages

1 July 2019

In order to obtain accurate and optimized navigation sensor information, it is necessary to study information fusion and fault diagnosis with high reliability, high precision and high autonomy, and then to propose a rapid and accurate intelligent dec...

  • Article
  • Open Access
4 Citations
6,721 Views
25 Pages

This study presents a comparative analysis of several multimodal large language models (LLMs) for no-reference image quality assessment, with a particular focus on images containing authentic distortions. We evaluate three models developed by OpenAI...

  • Article
  • Open Access
5 Citations
3,313 Views
20 Pages

18 June 2021

Multiview video plus depth is one of the mainstream representations of 3D scenes in emerging free viewpoint video, which generates virtual 3D synthesized images through a depth-image-based-rendering (DIBR) technique. However, the inaccuracy of depth...

  • Feature Paper
  • Article
  • Open Access
3 Citations
4,791 Views
18 Pages

20 September 2019

When it comes to evaluating perceptual quality of digital media for overall quality of experience assessment in immersive video applications, typically two main approaches stand out: Subjective and objective quality evaluation. On one hand, subjectiv...

  • Article
  • Open Access
1 Citations
1,382 Views
39 Pages

2 September 2025

The mobile tunnel scanning system (MTSS) enables efficient tunnel inspection; however, motion blur (MB) generated at high travel speeds remains a major factor undermining the reliability of deep-learning-based crack detection. This study focuses on i...

  • Article
  • Open Access
35 Citations
5,650 Views
15 Pages

23 March 2020

Image quality assessment (IQA) is an important element of a broad spectrum of applications ranging from automatic video streaming to display technology. Furthermore, the measurement of image quality requires a balanced investigation of image content...

  • Article
  • Open Access
2,229 Views
18 Pages

No-reference segmentation quality evaluation aims to evaluate the quality of image segmentation without any reference image during the application process. It usually depends on certain quality criteria to describe a good segmentation with some prior...

  • Article
  • Open Access
1 Citations
2,063 Views
19 Pages

1 October 2022

The widespread application of screen content images (SCIs) has met the needs of remote display and online working. It is a topic that is challenging and worthwhile discussing in research on quality assessment for SCIs. However, existing methods focus...

  • Article
  • Open Access
15 Citations
4,830 Views
16 Pages

No-Reference Quality Assessment of In-Capture Distorted Videos

  • Mirko Agarla,
  • Luigi Celona and
  • Raimondo Schettini

We introduce a no-reference method for the assessment of the quality of videos affected by in-capture distortions due to camera hardware and processing software. The proposed method encodes both quality attributes and semantic content of each video f...

  • Feature Paper
  • Article
  • Open Access
14 Citations
4,546 Views
19 Pages

Combined No-Reference Image Quality Metrics for Visual Quality Assessment Optimized for Remote Sensing Images

  • Andrii Rubel,
  • Oleg Ieremeiev,
  • Vladimir Lukin,
  • Jarosław Fastowicz and
  • Krzysztof Okarma

14 February 2022

No-reference image quality assessment is one of the most demanding areas of image analysis for many applications where the results of the analysis should be strongly correlated with the quality of an input image and the corresponding reference image...

  • Article
  • Open Access
6 Citations
2,978 Views
17 Pages

No-Reference Hyperspectral Image Quality Assessment via Ranking Feature Learning

  • Yuyan Li,
  • Yubo Dong,
  • Haoyong Li,
  • Danhua Liu,
  • Fang Xue and
  • Dahua Gao

8 May 2024

In hyperspectral image (HSI) reconstruction tasks, due to the lack of ground truth in real imaging processes, models are usually trained and validated on simulation datasets and then tested on real measurements captured by real HSI imaging systems. H...

  • Article
  • Open Access
10 Citations
5,346 Views
20 Pages

16 January 2019

Image processing methods often introduce distortions, which affect the way an image is subjectively perceived by a human observer. To avoid inconvenient subjective tests in cases in which reference images are not available, it is desirable to develop...

  • Feature Paper
  • Article
  • Open Access
102 Citations
9,549 Views
24 Pages

No-Reference Hyperspectral Image Quality Assessment via Quality-Sensitive Features Learning

  • Jingxiang Yang,
  • Yongqiang Zhao,
  • Chen Yi and
  • Jonathan Cheung-Wai Chan

23 March 2017

Assessing the quality of a reconstructed hyperspectral image (HSI) is of significance for restoration and super-resolution. Current image quality assessment methods such as peak signal-noise-ratio require the availability of pristine reference image,...

  • Article
  • Open Access
4 Citations
3,560 Views
21 Pages

In this paper, we propose a no-reference image quality assessment (NR-IQA) approach towards authentically distorted images, based on expanding proxy labels. In order to distinguish from the human labels, we define the quality score, which is generate...

  • Article
  • Open Access
2 Citations
4,554 Views
13 Pages

12 August 2024

In low-dose cone beam computed tomography (CT), the insufficient number of photons inevitably results in noise, which reduces the accuracy of disease diagnosis. One approach to improving the image quality of CT images acquired using a low-dose protoc...

  • Review
  • Open Access
47 Citations
11,337 Views
20 Pages

Review: A Survey on Objective Evaluation of Image Sharpness

  • Mengqiu Zhu,
  • Lingjie Yu,
  • Zongbiao Wang,
  • Zhenxia Ke and
  • Chao Zhi

18 February 2023

Establishing an accurate objective evaluation metric of image sharpness is crucial for image analysis, recognition and quality measurement. In this review, we highlight recent advances in no-reference image quality assessment research, divide the rep...

  • Article
  • Open Access
26 Citations
8,027 Views
18 Pages

Image quality assessment plays an important role in image processing applications. In many image applications, e.g., image denoising, deblurring, and fusion, a reference image is rarely available for comparison with the enhanced image. Thus, the qual...

  • Article
  • Open Access
20 Citations
4,145 Views
16 Pages

Fusion of Deep Convolutional Neural Networks for No-Reference Magnetic Resonance Image Quality Assessment

  • Igor Stępień,
  • Rafał Obuchowicz,
  • Adam Piórkowski and
  • Mariusz Oszust

3 February 2021

The quality of magnetic resonance images may influence the diagnosis and subsequent treatment. Therefore, in this paper, a novel no-reference (NR) magnetic resonance image quality assessment (MRIQA) method is proposed. In the approach, deep convoluti...

  • Article
  • Open Access
5 Citations
3,140 Views
18 Pages

24 February 2022

The Pan-Sharpening (PS) techniques provide a better visualization of a multi-band image using the high-resolution single-band image. To support their development and evaluation, in this paper, a novel, accurate, and automatic No-Reference (NR) PS Ima...

  • Article
  • Open Access
11 Citations
5,703 Views
19 Pages

12 August 2024

No-reference image quality assessment aims to evaluate image quality based on human subjective perceptions. Current methods face challenges with insufficient ability to focus on global and local information simultaneously and information loss due to...

  • Article
  • Open Access
29 Citations
2,968 Views
10 Pages

19 February 2023

The purpose of the no-reference image quality assessment (NR-IQA) is to measure perceived image quality based on subjective judgments; however, due to the lack of a clean reference image, this is a complicated and unresolved challenge. Massive new IQ...

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