Quality and Usability

Saman Zadtootaghaj

Biography

Saman Zadtootaghaj is a researcher at the Quality and Usability Lab at Technische Universitat Berlin working on modeling the gaming quality of experience under the supervision of Prof. Dr.-Ing. Sebastian Moller. His main interest is subjective and objective quality assessment of Computer-Generated content. He received his bachelor degree from IASBS and master degree in information technology from University of Tehran.

He worked as a researcher at Telekom Innovation Laboratories of Deutsche Telekom AG from 2016 to 2018 as part of European project called QoE-Net. He is currently the chair of Computer-Generated Imagery group at Video Quality Expert Group.

Research Field
- Assessing and predicting QoE of Gaming Applications

 Research Topics

- Video quality assessment of computer generated content 

- Cloud Gaming Quality of Experience

- Deep learning-based quality assessment of image/video content

- Image/video quality enhancement  

Current Project:

Adaptive Edge/Cloud Compute and Network Continuum over a Heterogeneous Sparse Edge Infrastructure to Support Nextgen Applications (ACCORDION)

Past Project:

Methods and Models for assessing and predicting the QoE linked to Mobile Gaming (QoE-NET/MSCA-ITN Network)
 

Roles: 

Chair of Computer-Generated Imagery (CGI) at VQEG 

Local coordinator of HCID track of EIT master program 

Visiting Researcher:

MMSPG lab, EPFL (2017)

LST group, DFKI (2019)

Teaching experience:

Advance Projects at Quality and Usability Lab (Deep Learning for Video Quality Assessment and Enhancement) SS2020

Usability engineering exercise SS2017/SS2018/SS2019/SS2020

Quality and Usability Seminar (Applied statistic) WS 2019-2020

Quality and Usability Seminar (Gamification) SS2018

Teacher assistant: Multiagent (University of Tehran 2014), computer networks (IASBS 2011).

Talks: 

VQEG meetings at Nokia, Madrid, March 2018

VQEG meetings at Google (remote), USA, November 2018 

VQEG Meetings at Deutsche Telekom, Germany, March 2019

VQEG meetings at Tencent, China, October 2019

VQEG meeting, Online Meeting, March 2020 

Involvement in Standardization Activities: 

Active in the following work items:

ITU-T P.BBQCG: Parametric bitstream-based Quality Assessment of Cloud Gaming Services

ITU-T G.CMVTQS: Computational model used as a QoE/QoS monitor to assess videotelephony services

ITU-T G.OMMOG: Opinion Model for Mobile Online Gaming applications

Contributed to the following recommendations:

ITU-T G.1032: Influence factors on gaming quality of experience  

ITU-T P.809: Subjective evaluation methods for gaming quality  

ITU-T G.1072: Opinion model predicting gaming quality of experience for cloud gaming services  

Reviewed papers for TCSVT, Quality and User Experience journal, Journal of Electronic Imaging,  QoMEX 2017-2019, ICC 2019 and ICME 2020, PQS workshop 2016

 

Tools for Quality Prediction of Gaming Content:

NDNetGaming: Deep Learning based Quality metric for Gaming Content

GamingPara: Gaming Parametric based Video Quality Models

Implementation of ITU-T Recommendation G.1072

 

Datasets:

GamingVideoSet: https://kingston.box.com/v/GamingVideoSET

Cloud Gaming Video Dataset: https://github.com/stootaghaj/CGVDS 

Image Gaming Quality Dataset: https://github.com/stootaghaj/GISET 

 

Find me on ResearchGate, LinkedIn, Scholar, GitHub.


Address
Quality and Usability Lab
Deutsche Telekom Laboratories
TU Berlin
Ernst-Reuter-Platz 7
D-10587 Berlin, Germany

Email:  
Tel:  +49 30 8353 58394

Publikationen

2021

Mittag, Gabriel; Zadtootaghaj, Saman; Michael, Thilo; Naderi, Babak; Möller, Sebastian
Bias-Aware Loss for Training Image and Speech Quality Prediction Models from Multiple Datasets
13th International Conference on Quality of Multimedia Experience (QoMEX)fromQoMEX, Page 97–102
Publisher: IEEE
2021
Schmidt, Steven; Zadtootaghaj, Saman; Wang, Shijie; Möller, Sebastian
Towards the Influence of Audio Quality on Gaming Quality of Experience
2021 13th International Conference on Quality of Multimedia Experience (QoMEX), Page 1–6
Publisher: IEEE, Piscataway, NJ
2021
Schmidt, Steven; Zadtootaghaj, Saman; Sabet, Saeed Shafiee; Möller, Sebastian
Modeling and Understanding the Quality of Experience of Online Mobile Gaming Services
2021 13th International Conference on Quality of Multimedia Experience (QoMEX), Page 1–6
Publisher: IEEE, Piscataway, NJ
2021

2020

Perkis, Andrew; Timmerer, Christian; Baraković, Sabina; Husić, Jasmina Baraković; Bech, Søren; Bosse, Sebastian; Botev, Jean; Brunnström, Kjell; Cruz, Luis; De Moor, Katrien; Saibanti, Andrea de Polo; Durnez, Wouter; Egger-Lampl, Sebastian; Engelke, Ulrich; Falk, Tiago H.; Hameed, Asim; Hines, Andrew; Kojic, Tanja; Kukolj, Dragan; Liotou, Eirini; Milovanovic, Dragorad; Möller, Sebastian; Murray, Niall; Naderi, Babak; Pereira, Manuela; Perry, Stuart; Pinheiro, Antonio; Pinilla, Andres; Raake, Alexander; Agrawal, Sarvesh Rajesh; Reiter, Ulrich; Rodrigues, Rafael; Schatz, Raimund; Schelkens, Peter; Schmidt, Steven; Sabet, Saeed Shafiee; Singla, Ashutosh; Skorin-Kapov, Lea; Suznjevic, Mirko; Uhrig, Stefan; Vlahović, Sara; Voigt-Antons, Jan-Niklas; Zadtootaghaj, Saman
QUALINET White Paper on Definitions of Immersive Media Experience (IMEx)
arXiv preprint arXiv:2007.07032 :1–15
2020
online
Publisher: European Network on Quality of Experience in Multimedia Systems and Services, 14th QUALINET meeting
Sabet, Saeed Shafiee; Schmidt, Steven; Zadtootaghaj, Saman; Griwodz, Carsten; Möller, Sebastian
Towards the Impact of Gamers Strategy and User Inputs on the Delay Sensitivity of Cloud Games
2020 Twelfth International Conference on Quality of Multimedia Experience (QoMEX)fromQoMEX ’20, Page 1–3
Publisher: IEEE
2020
ISBN
978-1-7281-5965-2
Schmidt, Steven; Zadtootaghaj, Saman; Shafiee Sabet, Saeed; Möller, Sebastian
Report about Opinion Model for Mobile Online Gaming Applications (G.OMMOG)
from ITU-T Contribution
ITU, CH-Geneva
2020
Zadtootaghaj, Saman; Schmidt, Steven; Sabet, Saeed Shafiee; Möller, Sebastian; Griwodz, Carsten
Quality Estimation Models for Gaming Video Streaming Services Using Perceptual Video Quality Dimensions
Proceedings of the 11th ACM Multimedia Systems ConferencefromMMSys ’20, Page 213–224
Publisher: Association for Computing Machinery, New York, NY, USA
2020
ISBN
9781450368452
Avanaki, Nasim Jamshidi; Zadtootaghaj, Saman; Barman, Nabajeet; Schmidt, Steven; Martini, Maria G.; Möller, Sebastian
Quality Enhancement of Gaming Content using Generative Adversarial Networks
2020 Twelfth International Conference on Quality of Multimedia Experience (QoMEX)fromQoMEX ’20, Page 1–6
Publisher: IEEE
2020
ISBN
978-1-7281-5965-2
Zadtootaghaj, Saman; Schmidt, Steven; Möller, Sebastian; Shafiee Sabet, Saeed; Griwodz, Carsten; Barman, Nabajeet; Martini, Maria G.; Ramachandra Rao, Rakesh Rao; Göring, Steven; Raake, Alexander
Proposal for new Work Item P.BBQCG: Parametric bitstream-based Quality Assessment of Cloud Gaming Services
from ITU-T Contribution
ITU, CH-Geneva
2020
Utke, Markus; Zadtootaghaj, Saman; Schmidt, Steven; Bosse, Sebastian; Möller, Sebastian
NDNetGaming-development of a no-reference deep CNN for gaming video quality prediction
Multimedia Tools and Applications :1–23
2020
Fullpaper
Publisher: Springer
ISSN: 1573-7721
Schmidt, Steven; Shafiee Sabet, Saeed; Naderi, Babak; Zadtootaghaj, Saman; Griwodz, Carsten; Möller, Sebastian
Evaluation of Interactive Test Paradigm for P.CROWDG Recommendation
from ITU-T Contribution
ITU, CH-Geneva
2020
Sabet, Saeed Shafiee; Schmidt, Steven; Zadtootaghaj, Saman; Griwodz, Carsten; Möller, Sebastian
Delay Sensitivity Classification of Cloud Gaming Content
Proceedings of the 12th ACM International Workshop on Immersive Mixed and Virtual Environment SystemsfromMMVE ’20, Page 25–30
Publisher: Association for Computing Machinery, New York, NY, USA
2020
ISBN
9781450379472
Schmidt, Steven; Zadtootaghaj, Saman; Möller, Sebastian
Corrigendum for ITU-T Recommendation G.1072: Opinion Model Predicting Gaming QoE
from ITU-T Contribution
ITU, CH-Geneva
2020
Schmidt, Steven; Naderi, Babak; Sabet, Saeed Shafiee; Zadtootaghaj, Saman; Carsten ; Möller, Sebastian
Assessing Interactive Gaming Quality of Experience using a Crowdsourcing Approach
2020 Twelfth International Conference on Quality of Multimedia Experience (QoMEX)fromQoMEX ’20, Page 1–6
Publisher: IEEE
2020
ISBN
978-1-7281-5965-2
Sabet, Saeed Shafiee; Schmidt, Steven; Zadtootaghaj, Saman; Naderi, Babak; Griwodz, Carsten; Möller, Sebastian
A Latency Compensation Technique Based on Game Characteristics to Mitigate the Influence of Delay on Cloud Gaming Quality of Experience
Proceedings of the 11th ACM Multimedia Systems ConferencefromMMSys ’20, Page 15–25
Publisher: Association for Computing Machinery, New York, NY, USA
2020
ISBN
9781450368452

2019

Schmidt, Steven; Zadtootaghaj, Saman; Möller, Sebastian; Shafiee Sabet, Saeed
Proposal for an Opinion Model Predicting Gaming QoE for Mobile Online Gaming
from ITU-T Contribution
ITU, CH-Geneva
2019
Barakabitze, Alcardo Alex; Barman, Nabajeet; Ahmad, Arslan; Zadtootaghaj, Saman; Sun, Lingfen; Martini, Maria G; Atzori, Luigi
QoE Management of Multimedia Streaming Services in Future Networks: A Tutorial and Survey
IEEE Communications Surveys Tutorials :1–1
2019
Fullpaper, Poster
Publisher: IEEE
ISSN: 2373-745X
Schmidt, Steven; Shafiee Sabet, Saeed; Zadtootaghaj, Saman; Möller, Sebastian; Griwodz, Carsten; Barman, Nabajeet; Martini, Maria G.
Proposal of a Content Classification for Cloud Gaming Services
from ITU-T Contribution
ITU, CH-Geneva
2019
Naderi, Babak; Schmidt, Steven; Zadtootaghaj, Saman; Möller, Sebastian
Draft text for P.CROWDG Recommendation Subjective Evaluation of Gaming Quality with a Crowdsourcing Approach
from ITU-T Contribution
ITU, CH-Geneva
2019
Schmidt, Steven; Zadtootaghaj, Saman; Möller, Sebastian; Barman, Nabajeet; Martini, Saeed; Griwodz, Carsten
Performance Evaluation of the Opinion Model Predicting Gaming QoE (G.OMG)
from ITU-T Contribution
ITU, CH-Geneva
2019
Schmidt, Steven; Zadtootaghaj, Saman; Möller, Sebastian; Barman, Nabajeet; Martini, Saeed; Griwodz, Carsten
Opinion Model Predicting Gaming QoE (G.OMG)
from ITU-T Contribution
ITU, CH-Geneva
2019
Schmidt, Steven; Zadtootaghaj, Saman; Utke, Markus; Möller, Sebastian; Barman, Nabajeet; Martini, Maria G.; Shafiee Sabet, Saeed; Griwodz, Carsten
First Draft for an Opinion Model Predicting Gaming QoE (G.OMG)
from ITU-T Contribution
ITU, CH-Geneva
2019
File

2017

Zadtootaghaj, Saman; Schmidt, Steven; Anne-Flore, Perin; Ebrahimi, Touradj; Möller, Sebastian
Towards subjective evaluation methods for virtual reality gaming quality assessment
from ITU-T Contribution
ITU, CH-Geneva
19-28 September 2017
Zadtootaghaj, Saman; Schmidt, Steven; Möller, Sebastian
Influence Factors on Gaming Quality of Experience (QoE)
from ITU-T Contribution
ITU, CH-Geneva
19-28 September 2017
Schmidt, Steven; Zadtootaghaj, Saman; Möller, Sebastian; Metzger, Florian; Hirth, Matthias; Suznjevic, Mirko
2nd Update on the Proposal for a Draft New Recommendation on Subjective Evaluation Methods for Gaming Quality (P.GAME)
from ITU-T Contribution
ITU, CH-Geneva
19-28 September 2017

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