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Among the various image quality assessment (IQA) tasks, blind IQA (BIQA) is particularly challenging due to the absence of knowledge about the reference image and distortion type. Features based on natural scene statistics (NSS) have been…

计算机视觉与模式识别 · 计算机科学 2015-10-13 Wufeng Xue , Xuanqin Mou , Lei Zhang

Traditional image quality assessment (IQA) methods rely on mean opinion scores (MOS), which are resource-intensive to collect and fail to provide interpretable, localized feedback on specific image distortions. We overcome these limitations…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Fadeel Sher Khan , Long N. Le , Abhinau K. Venkataramanan , Seok-Jun Lee , Hamid R. Sheikh

Deep-learning based techniques have contributed to the remarkable progress in the field of automatic image quality assessment (IQA). Existing IQA methods are designed to measure the quality of an image in terms of Mean Opinion Score (MOS)…

图像与视频处理 · 电气工程与系统科学 2022-06-15 Wook-Hyung Kim , Cheul-hee Hahm , Anant Baijal , Namuk Kim , Ilhyun Cho , Jayoon Koo

MOS (Mean Opinion Score) is a subjective method used for the evaluation of a system's quality. Telecommunications (for voice and video), and speech synthesis systems (for generated speech) are a few of the many applications of the method.…

音频与语音处理 · 电气工程与系统科学 2022-04-26 Bálint Gyires-Tóth , Csaba Zainkó

Image quality assessment often relies on raw opinion scores provided by subjects in subjective experiments, which can be noisy and unreliable. To address this issue, postprocessing procedures such as ITU-R BT.500, ITU-T P.910, and ITU-T…

计算机视觉与模式识别 · 计算机科学 2024-05-01 Lei Wang , Desen Yuan

This paper investigates the use of Mean Opinion Score (MOS), a common image quality metric, as a user-centric evaluation metric for XAI post-hoc explainers. To measure the MOS, a user experiment is proposed, which has been conducted with…

计算机视觉与模式识别 · 计算机科学 2024-07-31 Hyeon Yu , Jenny Benois-Pineau , Romain Bourqui , Romain Giot , Alexey Zhukov

Recently, image quality has been generally describedby a mean opinion score (MOS). However, we observe that thequality scores of an image given by a group of subjects are verysubjective and diverse. Thus it is not enough to use a MOS…

图像与视频处理 · 电气工程与系统科学 2022-03-03 Yixuan Gao , Xiongkuo Min , Wenhan Zhu , Xiao-Ping Zhang , Guangtao Zhai

Speech quality assessment is a critical process in selecting text-to-speech synthesis (TTS) or voice conversion models. Evaluation of voice synthesis can be done using objective metrics or subjective metrics. Although there are many…

声音 · 计算机科学 2025-06-04 Saurabh Agrawal , Raj Gohil , Gopal Kumar Agrawal , Vikram C M , Kushal Verma

Perceptual speech quality is an important performance metric for teleconferencing applications. The mean opinion score (MOS) is standardized for the perceptual evaluation of speech quality and is obtained by asking listeners to rate the…

声音 · 计算机科学 2022-12-06 Haleh Akrami , Hannes Gamper

Speech quality assessment (SQA) aims to evaluate the quality of speech samples without relying on time-consuming listener questionnaires. Recent efforts have focused on training neural-based SQA models to predict the mean opinion score…

声音 · 计算机科学 2025-06-24 Yuto Kondo , Hirokazu Kameoka , Kou Tanaka , Takuhiro Kaneko

The mean opinion score (MOS) is a standard metric for assessing speech quality, but its singular focus fails to identify specific distortions when low scores are observed. The NISQA dataset addresses this limitation by providing ratings…

音频与语音处理 · 电气工程与系统科学 2025-06-06 Fredrik Cumlin , Xinyu Liang , Victor Ungureanu , Chandan K. A. Reddy , Christian Schüldt , Saikat Chatterjee

This study investigates the evaluation of multimedia quality models, focusing on the inherent uncertainties in subjective Mean Opinion Score (MOS) ratings due to factors like rater inconsistency and bias. Traditional statistical measures…

多媒体 · 计算机科学 2024-11-12 Alessandro Ragano , Helard Becerra Martinez , Andrew Hines

Learning based image quality assessment (IQA) models have obtained impressive performance with the help of reliable subjective quality labels, where mean opinion score (MOS) is the most popular choice. However, in view of the subjective…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Lei Wang , Qingbo Wu , Desen Yuan , King Ngi Ngan , Hongliang Li , Fanman Meng , Linfeng Xu

Mean opinion score (MOS) is a popular subjective metric to assess the quality of synthesized speech, and usually involves multiple human judges to evaluate each speech utterance. To reduce the labor cost in MOS test, multiple methods have…

声音 · 计算机科学 2021-03-02 Yichong Leng , Xu Tan , Sheng Zhao , Frank Soong , Xiang-Yang Li , Tao Qin

It is well-known that there is no universal metric for image quality evaluation. In this case, distortion-specific metrics can be more reliable. The artifact imposed by image compression can be considered as a combination of various…

图像与视频处理 · 电气工程与系统科学 2024-02-05 S. Farhad Hosseini-Benvidi , Hossein Motamednia , Azadeh Mansouri , Mohammadreza Raei , Ahmad Mahmoudi-Aznaveh

The Mean Opinion Score (MOS) serves as the standard metric for speech quality assessment, yet biases in human annotations remain underexplored. We conduct the first systematic analysis of gender bias in MOS, revealing that male listeners…

音频与语音处理 · 电气工程与系统科学 2026-03-17 Wenze Ren , Yi-Cheng Lin , Wen-Chin Huang , Erica Cooper , Ryandhimas E. Zezario , Hsin-Min Wang , Hung-yi Lee , Yu Tsao

Training Single-Image Super-Resolution (SISR) models using pixel-based regression losses can achieve high distortion metrics scores (e.g., PSNR and SSIM), but often results in blurry images due to insufficient recovery of high-frequency…

图像与视频处理 · 电气工程与系统科学 2024-09-10 Qiwen Zhu , Yanjie Wang , Shilv Cai , Liqun Chen , Jiahuan Zhou , Luxin Yan , Sheng Zhong , Xu Zou

Perceptually-inspired objective functions such as the perceptual evaluation of speech quality (PESQ), signal-to-distortion ratio (SDR), and short-time objective intelligibility (STOI), have recently been used to optimize performance of…

音频与语音处理 · 电气工程与系统科学 2023-03-27 Khandokar Md. Nayem , Donald S. Williamson

The ground truth used for training image, video, or speech quality prediction models is based on the Mean Opinion Scores (MOS) obtained from subjective experiments. Usually, it is necessary to conduct multiple experiments, mostly with…

音频与语音处理 · 电气工程与系统科学 2021-12-15 Gabriel Mittag , Saman Zadtootaghaj , Thilo Michael , Babak Naderi , Sebastian Möller

This position paper argues that Mean Opinion Score (MOS), while historically foundational, is no longer sufficient as the sole supervisory signal for multimedia quality assessment models. MOS reduces rich, context-sensitive human judgments…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Mohamed Amine Kerkouri , Marouane Tliba , Aladine Chetouani , Nour Aburaed , Alessandro Bruno
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