activity
20192026
most citedQoE Management of Multimedia Streaming Services in Future Networks: A Tutorial and Survey

237 citations · 356 across the 16 of their papers we have counts for

collaborators

18 papers

cs.CV2026

Evaluating VLMs for Autonomous Agent-Driven Geometry Clipping Detection in Video Game QA

Carlos Celemin, Benedict Wilkins, Adrián Barahona-Ríos +2

In this work, we study the use of Vision-Language Models (VLMs) for anomaly detection in an agent-driven game Quality Assurance (QA) pipeline focusing on geometry clipping. In this…

cs.CV2026

TempGlitch: Evaluating Vision-Language Models for Temporal Glitch Detection in Gameplay Videos

Yakun Yu, Ashley Wiens, Adrián Barahona-Ríos +4

Vision-language models (VLMs) are increasingly being explored for video game quality assurance, especially gameplay glitch detection. Most existing evaluations, however, treat glit…

cs.CV2026

RefGlitch-Bench: A Benchmark for Reference-based Gameplay Glitch Detection with Vision-Language Models

Yakun Yu, Ashley Wiens, Adrián Barahona-Ríos +4

Visual glitches in video games degrade player experience and perceived quality, yet manual quality assurance cannot keep pace with the growing test surface of modern game developme…

cs.CV2025

Non-Aligned Reference Image Quality Assessment for Novel View Synthesis

Abhijay Ghildyal, Rajesh Sureddi, Nabajeet Barman +2

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…

eess.IV2025

TRIQA: Image Quality Assessment by Contrastive Pretraining on Ordered Distortion Triplets

Rajesh Sureddi, Saman Zadtootaghaj, Nabajeet Barman +1

Image Quality Assessment (IQA) models aim to predict perceptual image quality in alignment with human judgments. No-Reference (NR) IQA remains particularly challenging due to the a…

cs.CV2025

VideoGameQA-Bench: Evaluating Vision-Language Models for Video Game Quality Assurance

Mohammad Reza Taesiri, Abhijay Ghildyal, Saman Zadtootaghaj +2

With video games now generating the highest revenues in the entertainment industry, optimizing game development workflows has become essential for the sector's sustained growth. Re…

cs.CV2024★ 2 cited

Quality Prediction of AI Generated Images and Videos: Emerging Trends and Opportunities

Abhijay Ghildyal, Yuanhan Chen, Saman Zadtootaghaj +2

The advent of AI has influenced many aspects of human life, from self-driving cars and intelligent chatbots to text-based image and video generation models capable of creating real…

cs.CV2024

AIM 2024 Challenge on UHD Blind Photo Quality Assessment

Vlad Hosu, Marcos V. Conde, Lorenzo Agnolucci +3

We introduce the AIM 2024 UHD-IQA Challenge, a competition to advance the No-Reference Image Quality Assessment (NR-IQA) task for modern, high-resolution photos. The challenge is b…

cs.CV2024★ 1 cited

LAR-IQA: A Lightweight, Accurate, and Robust No-Reference Image Quality Assessment Model

Nasim Jamshidi Avanaki, Abhijay Ghildyal, Nabajeet Barman +1

Recent advancements in the field of No-Reference Image Quality Assessment (NR-IQA) using deep learning techniques demonstrate high performance across multiple open-source datasets.…

cs.CV2024

MSLIQA: Enhancing Learning Representations for Image Quality Assessment through Multi-Scale Learning

Nasim Jamshidi Avanaki, Abhijay Ghildyal, Nabajeet Barman +1

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…

cs.CV2024

Foundation Models Boost Low-Level Perceptual Similarity Metrics

Abhijay Ghildyal, Nabajeet Barman, Saman Zadtootaghaj

For full-reference image quality assessment (FR-IQA) using deep-learning approaches, the perceptual similarity score between a distorted image and a reference image is typically co…

cs.CV2024

AIS 2024 Challenge on Video Quality Assessment of User-Generated Content: Methods and Results

Marcos V. Conde, Saman Zadtootaghaj, Nabajeet Barman +33

This paper reviews the AIS 2024 Video Quality Assessment (VQA) Challenge, focused on User-Generated Content (UGC). The aim of this challenge is to gather deep learning-based method…

cs.MM2022★ 4 cited

Codec Compression Efficiency Evaluation of MPEG-5 part 2 (LCEVC) using Objective and Subjective Quality Assessment

Nabajeet Barman, Steven Schmidt, Saman Zadtootaghaj +1

With the increasing advancements in video compression efficiency achieved by newer codecs such as HEVC, AV1, and VVC, and intelligent encoding strategies, as well as improved bandw…

eess.AS2021★ 14 cited

Bias-Aware Loss for Training Image and Speech Quality Prediction Models from Multiple Datasets

Gabriel Mittag, Saman Zadtootaghaj, Thilo Michael +2

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…

cs.MM2020★ 55 cited

QUALINET White Paper on Definitions of Immersive Media Experience (IMEx)

Andrew Perkis, Christian Timmerer, Sabina Baraković +41

With the coming of age of virtual/augmented reality and interactive media, numerous definitions, frameworks, and models of immersion have emerged across different fields ranging fr…

cs.MM2020★ 3 cited

Towards Deep Learning Methods for Quality Assessment of Computer-Generated Imagery

Markus Utke, Saman Zadtootaghaj, Steven Schmidt +1

Video gaming streaming services are growing rapidly due to new services such as passive video streaming, e.g. Twitch.tv, and cloud gaming, e.g. Nvidia Geforce Now. In contrast to t…

cs.MM2020★ 40 cited

Delay Sensitivity Classification of Cloud Gaming Content

Saeed Shafiee Sabet, Steven Schmidt, Saman Zadtootaghaj +2

Cloud Gaming is an emerging service that catches growing interest in the research community as well as industry. While the paradigm shift from a game execution on clients to stream…

cs.NI2019★ 237 cited

QoE Management of Multimedia Streaming Services in Future Networks: A Tutorial and Survey

Alcardo Alex Barakabitze, Nabajeet Barman, Arslan Ahmad +4

We provide in this paper a tutorial and a comprehensive survey of QoE management solutions in current and future networks. We start with a high level description of QoE management…