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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…

图像与视频处理 · 电气工程与系统科学 2022-01-12 Lanjiang Wang

Full-reference (FR) image quality assessment (IQA) models assume a high quality "pristine" image as a reference against which to measure perceptual image quality. In many applications, however, the assumption that the reference image is of…

图像与视频处理 · 电气工程与系统科学 2018-02-12 Xiangxu Yu , Christos G. Bampis , Praful Gupta , Alan C. Bovik

No-reference image quality assessment (NR-IQA) has received increasing attention in the IQA community since reference image is not always available. Real-world images generally suffer from various types of distortion. Unfortunately,…

图像与视频处理 · 电气工程与系统科学 2020-01-07 Fu-Zhao Ou , Yuan-Gen Wang , Jin Li , Guopu Zhu , Sam Kwong

The prevalence of user-generated content (UGC) on platforms such as YouTube and TikTok has rendered no-reference (NR) perceptual video quality assessment (VQA) vital for optimizing video delivery. Nonetheless, the characteristics of…

图像与视频处理 · 电气工程与系统科学 2025-11-11 Xinyi Wang , Angeliki Katsenou , Junxiao Shen , David Bull

Tone mapping operators and multi-exposure fusion methods allow us to enjoy the informative contents of high dynamic range (HDR) images with standard dynamic range devices, but also introduce distortions into HDR contents. Therefore methods…

多媒体 · 计算机科学 2021-02-11 Qin He , Dingquan Li , Tingting Jiang , Ming Jiang

No-reference (NR) perceptual video quality assessment (VQA) is a complex, unsolved, and important problem to social and streaming media applications. Efficient and accurate video quality predictors are needed to monitor and guide the…

计算机视觉与模式识别 · 计算机科学 2022-02-28 Zhenqiang Ying , Maniratnam Mandal , Deepti Ghadiyaram , Alan Bovik

Objective image quality evaluation is a challenging task, which aims to measure the quality of a given image automatically. According to the availability of the reference images, there are Full-Reference and No-Reference IQA tasks,…

计算机视觉与模式识别 · 计算机科学 2022-03-24 Chao Zeng , Sam Kwong

The great variations of videographic skills, camera designs, compression and processing protocols, and displays lead to an enormous variety of video impairments. Current no-reference (NR) video quality models are unable to handle this…

图像与视频处理 · 电气工程与系统科学 2018-11-06 Zeina Sinno , Alan C. Bovik

Point cloud is one of the most widely used digital formats of 3D models, the visual quality of which is quite sensitive to distortions such as downsampling, noise, and compression. To tackle the challenge of point cloud quality assessment…

图像与视频处理 · 电气工程与系统科学 2022-09-21 Yu Fan , Zicheng Zhang , Wei Sun , Xiongkuo Min , Wei Lu , Tao Wang , Ning Liu , Guangtao Zhai

Generative models for image restoration, enhancement, and generation have significantly improved the quality of the generated images. Surprisingly, these models produce more pleasant images to the human eye than other methods, yet, they may…

图像与视频处理 · 电气工程与系统科学 2022-04-28 Marcos V. Conde , Maxime Burchi , Radu Timofte

Currently, great numbers of efforts have been put into improving the effectiveness of 3D model quality assessment (3DQA) methods. However, little attention has been paid to the computational costs and inference time, which is also important…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Zicheng Zhang , Wei Sun , Yingjie Zhou , Wei Lu , Yucheng Zhu , Xiongkuo Min , Guangtao Zhai

Perceptual losses play an important role in constructing deep-neural-network-based methods by increasing the naturalness and realism of processed images and videos. Use of perceptual losses is often limited to LPIPS, a fullreference method.…

图像与视频处理 · 电气工程与系统科学 2024-06-03 Egor Kashkarov , Egor Chistov , Ivan Molodetskikh , Dmitriy Vatolin

Automatically learned quality assessment for images has recently become a hot topic due to its usefulness in a wide variety of applications such as evaluating image capture pipelines, storage techniques and sharing media. Despite the…

计算机视觉与模式识别 · 计算机科学 2018-07-04 Hossein Talebi , Peyman Milanfar

This paper uses robust statistics and curvelet transform to learn a general-purpose no-reference (NR) image quality assessment (IQA) model. The new approach, here called M1, competes with the Curvelet Quality Assessment proposed in 2014…

计算机视觉与模式识别 · 计算机科学 2019-02-12 Ramon Giostri Campos , Evandro Ottoni Teatini Salles

Completely blind video quality assessment (VQA) refers to a class of quality assessment methods that do not use any reference videos, human opinion scores or training videos from the target database to learn a quality model. The design of…

图像与视频处理 · 电气工程与系统科学 2024-06-25 Shankhanil Mitra , Rajiv Soundararajan

In recent years, deep learning techniques have shown significant potential for improving video quality assessment (VQA), achieving higher correlation with subjective opinions compared to conventional approaches. However, the development of…

图像与视频处理 · 电气工程与系统科学 2024-06-11 Chen Feng , Duolikun Danier , Fan Zhang , David Bull

Deep learning-based quality metrics have recently given significant improvement in Image Quality Assessment (IQA). In the field of stereoscopic vision, information is evenly distributed with slight disparity to the left and right eyes.…

图像与视频处理 · 电气工程与系统科学 2022-11-04 Oussama Messai , Aladine Chetouani

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…

图像与视频处理 · 电气工程与系统科学 2020-08-25 Joshua P. Ebenezer , Zaixi Shang , Yongjun Wu , Hai Wei , Alan C. Bovik

Evaluating the perceptual quality of Novel View Synthesis (NVS) images remains a key challenge, particularly in the absence of pixel-aligned ground truth references. Full-Reference Image Quality Assessment (FR-IQA) methods fail under…

计算机视觉与模式识别 · 计算机科学 2025-11-12 Abhijay Ghildyal , Rajesh Sureddi , Nabajeet Barman , Saman Zadtootaghaj , Alan Bovik

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…

计算机视觉与模式识别 · 计算机科学 2024-09-09 Nasim Jamshidi Avanaki , Abhijay Ghildyal , Nabajeet Barman , Saman Zadtootaghaj