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

237 citations · 249 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.MM2024★ 4 cited

Bjøntegaard Delta (BD): A Tutorial Overview of the Metric, Evolution, Challenges, and Recommendations

Nabajeet Barman, Maria G. Martini, Yuriy Reznik

The Bjøntegaard Delta (BD) method proposed in 2001 has become a popular tool for comparing video codec compression efficiency. It was initially proposed to compute bitrate and qual…

cs.MM2023

A Subjective Dataset for Multi-Screen Video Streaming Applications

Nabajeet Barman, Yuriy Reznik, Maria G. Martini

In modern-era video streaming systems, videos are streamed and displayed on a wide range of devices. Such devices vary from large-screen UHD and HDTVs to medium-screen Desktop PCs…

cs.MM2023

Datasheet for Subjective and Objective Quality Assessment Datasets

Nabajeet Barman, Yuriy Reznik, Maria Martini

Over the years, many subjective and objective quality assessment datasets have been created and made available to the research community. However, there is no standard process for…

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…

cs.MM2021★ 1 cited

User Generated HDR Gaming Video Streaming: Dataset, Codec Comparison and Challenges

Nabajeet Barman, Maria G Martini

Gaming video streaming services have grown tremendously in the past few years, with higher resolutions, higher frame rates and HDR gaming videos getting increasingly adopted among…

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…