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With the popularity of massive open online courses, grading through crowdsourcing has become a prevalent approach towards large scale classes. However, for getting grades for complex tasks, which require specific skills and efforts for…

Artificial Intelligence · Computer Science 2017-03-31 Lingyu Lyu , Mehmed Kantardzic

In recent years, artificial intelligence (AI)-driven video generation has gained significant attention. Consequently, there is a growing need for accurate video quality assessment (VQA) metrics to evaluate the perceptual quality of…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Zhichao Zhang , Wei Sun , Xinyue Li , Jun Jia , Xiongkuo Min , Zicheng Zhang , Chunyi Li , Zijian Chen , Puyi Wang , Fengyu Sun , Shangling Jui , Guangtao Zhai

This paper deals with the issue of the perceptual quality evaluation of user-generated videos shared online, which is an important step toward designing video-sharing services that maximize users' satisfaction in terms of quality. We first…

Multimedia · Computer Science 2018-09-17 Soobeom Jang , Jong-Seok Lee

Video streaming via TCP networks has become a popular and highly demanded service, but its quality assessment in both objective and subjective terms has not been properly addressed. In this paper, based on statistical analysis a full…

Multimedia · Computer Science 2016-11-18 Mirghiasaldin Seyedebrahimi , Colin Bailey , Xiao-Hong Peng

The data that underlies automated methods in computer vision and machine learning, such as image retrieval and fine-grained recognition, often comes from crowdsourcing. In contexts that rely on the intrinsic motivation of users, we seek to…

Human-Computer Interaction · Computer Science 2024-09-06 Abby Stylianou , Michelle Brachman , Albatool Wazzan , Samuel Black , Richard Souvenir

This paper considers the challenge of evaluating a set of classifiers, as done in shared task evaluations like the KDD Cup or NIST TREC, without expert labels. While expert labels provide the traditional cornerstone for evaluating…

Machine Learning · Computer Science 2012-12-06 Hyun Joon Jung , Matthew Lease

Different from color correction and transfer, color grading involves adjusting colors for artistic or storytelling purposes in a video, which is used to establish a specific look or mood. However, due to the complexity of the process and…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Seunghyun Shin , Dongmin Shin , Jisu Shin , Hae-Gon Jeon , Joon-Young Lee

Many multimedia applications require precise understanding of the rate-distortion characteristics measured by the function relating visual quality to media attributes, for which we term it the generalized rate-distortion (GRD) function. In…

Image and Video Processing · Electrical Eng. & Systems 2020-08-26 Zhengfang Duanmu , Wentao Liu , Zhou Wang

Crowdsourcing is widely used to create data for common natural language understanding tasks. Despite the importance of these datasets for measuring and refining model understanding of language, there has been little focus on the…

Computation and Language · Computer Science 2021-06-03 Nikita Nangia , Saku Sugawara , Harsh Trivedi , Alex Warstadt , Clara Vania , Samuel R. Bowman

The development of video game streaming has grown rapidly, with major platforms such as YouTube and Twitch using different codecs. To support quality assessment models that work consistently across any codec, it is necessary to have access…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Rajesh Sureddi , Shreshth Saini , Avinab Saha , Alan C. Bovik

In crowdsourcing systems, requesters publish tasks, and interested workers provide answers to get rewards. Worker anonymity motivates participation since it protects their privacy. Anonymity with unlinkability is an enhanced version of…

Cryptography and Security · Computer Science 2024-05-17 Sankarshan Damle , Vlasis Koutsos , Dimitrios Papadopoulos , Dimitris Chatzopoulos , Sujit Gujar

Rank aggregation through crowdsourcing has recently gained significant attention, particularly in the context of listwise ranking annotations. However, existing methods primarily focus on a single problem and partial ranks, while the…

Machine Learning · Computer Science 2024-10-11 Wenshui Luo , Haoyu Liu , Yongliang Ding , Tao Zhou , Sheng wan , Runze Wu , Minmin Lin , Cong Zhang , Changjie Fan , Chen Gong

This paper addresses the guessing game in building production RAG. Classical rank-centric IR metrics (nDCG/MAP/MRR) are a poor fit for RAG, where LLMs consume a set of passages rather than a browsed list; position discounts and…

Information Retrieval · Computer Science 2025-11-13 Etienne Dallaire

The MUSHRA framework is widely used for detecting subtle audio quality differences but traditionally relies on expert listeners in controlled environments, making it costly and impractical for model development. As a result, objective…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-03 Laura Lechler , Chamran Moradi , Ivana Balic

In this paper in which we address the evaluation of measurement process quality, we mainly focus on the evaluation procedure, as far as it is based on the numerical measurement outcomes. We challenge the approach where the "exact" value of…

Methodology · Statistics 2013-02-05 Edgard Nyssen , Wolfgang Jacquet

Image captioning has become an essential Vision & Language research task. It is about predicting the most accurate caption given a specific image or video. The research community has achieved impressive results by continuously proposing new…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Guillermo Ruiz , Tania Ramírez , Daniela Moctezuma

Crowdsourcing has emerged as a prevalent method for mitigating the risks of correctness and security in outsourced cloud computing. This process involves an aggregator distributing tasks, collecting responses, and aggregating outcomes from…

Cryptography and Security · Computer Science 2024-02-05 Xuanming Liu , Xinpeng Yang , Yinghao Wang , Xun Zhang , Xiaohu Yang

Learning-based image compression methods have recently emerged as promising alternatives to traditional codecs, offering improved rate-distortion performance and perceptual quality. JPEG AI represents the latest standardized framework in…

Image and Video Processing · Electrical Eng. & Systems 2025-04-11 Mohsen Jenadeleh , Jon Sneyers , Panqi Jia , Shima Mohammadi , Joao Ascenso , Dietmar Saupe

Blind or no-reference video quality assessment of user-generated content (UGC) has become a trending, challenging, heretofore unsolved problem. Accurate and efficient video quality predictors suitable for this content are thus in great…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Zhengzhong Tu , Xiangxu Yu , Yilin Wang , Neil Birkbeck , Balu Adsumilli , Alan C. Bovik

Quality control plays a critical role in crowdsourcing. The state-of-the-art work is not suitable for large-scale crowdsourcing applications, since it is a long haul for the requestor to verify task quality or select professional workers in…

Computer Science and Game Theory · Computer Science 2020-03-27 Kun Li , Shengling Wang , Xiuzhen Cheng , Qin Hu
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