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TU Berlin

Inhalt des Dokuments

Saman Zadtootaghaj

Lupe

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)


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.  

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

 

 

Publications:

Schmidt, Steven and Zadtootaghaj, Saman and Möller, Sebastian and Metzger, Florian and Hirth, Matthias and Suznjevic, Mirko and Barman, Nabajeet and Martini, Maria G. (2018). Requirement Specification and Possible Structure for an Opinion Model Predicting Gaming QoE (G.OMG). , 1–20.


Schmidt, Steven and Zadtootaghaj, Saman and Schiffner, Falk and Möller, Sebastian and Shafiee Sabet, Saeed and Griwodz, Carsten and Barman, Nabajeet and Martini, Maria G. (2018). Data Assessment for an Opinion Model Predicting Gaming QoE (G.OMG). , 1–16.


Schmidt, Steven and Zadtootaghaj, Saman and Utke, Markus and Möller, Sebastian and Barman, Nabajeet and Martini, Maria G. and Shafiee Sabet, Saeed and Griwodz, Carsten (2019). First Draft for an Opinion Model Predicting Gaming QoE (G.OMG). , 1–21.


Zadtootaghaj, Saman and Schmidt, Steven and Anne-Flore, Perin and Ebrahimi, Touradj and Möller, Sebastian (2017). Towards subjective evaluation methods for virtual reality gaming quality assessment. , 1–5.


Zadtootaghaj, Saman and Schmidt, Steven and Hamed, Ahmadi and Möller, Sebastian (2017). Towards improving visual attention models using influencing factors in a video gaming context. 2017 15th Annual Workshop on Network and Systems Support for Games (NetGames). IEEE, 1–3.


Zadtootaghaj, Saman and Schmidt, Steven and Möller, Sebastian (2017). Updates on the first draft of "Influence Factors in Gaming Quality of Experience (QoE)". , 1–12.


Zadtootaghaj, Saman and Schmidt, Steven and Möller, Sebastian (2017). Influence Factors on Gaming Quality of Experience (QoE). , 1–13.


Zadtootaghaj, Saman and Barman, Nabajeet and Martini, Maria G. and Schmidt, Steven and Möller, Sebastian (2018). NR-GVQM: A No Reference Gaming Video Quality Metric. IEEE ISM 2018 – The 20th IEEE International Symposium on Multimedia. IEEE, 1–6.


Zadtootaghaj, Saman and Schmidt, Steven and Barman, Nabajeet and Möller, Sebastian and Martini, Maria G. (2018). A Classification of Video Games based on Game Characteristics linked to Video Coding Complexity. 16th Annual Workshop on Network and Systems Support for Games (NetGames). IEEE, 1–6.


Zadtootaghaj, Saman and Schmidt, Steven and Möller, Sebastian (2018). Modeling Gaming QoE: Towards the Impact of Frame Rate and Bit Rate on Cloud Gaming. 2018 Tenth International Conference on Quality of Multimedia Experience (QoMEX). IEEE, 1–6.


Zadtootaghaj, Saman and Schmidt, Steven and Utke, Markus and Möller, Sebastian and Barman, Nabajeet and Martini, Maria G. and Shafiee Sabet, Saeed and Griwodz, Carsten (2018). Evaluation of Standardized Video Quality Models for Assessing Video Quality of Cloud Gaming Services. , 1–14.


Zadtootaghaj, Saman and Ahmadi, Hamed and Möller, Sebastian (2016). Comparison of EWPSNR and MOS on an Eye-tracking Labelled Video Dataset. PQS 2016 5th ISCA/DEGA Workshop on Perceptual Quality of Systems. ISCA, 92–96.


Zhang, Chenyan and Zadtootaghaj, Saman and Hoel, Aud Sissel and Perkis, Andrew (2018). How Long is Long Enough to Induce Immersion?. 2018 Tenth International Conference on Quality of Multimedia Experience (QoMEX). IEEE, 1–6.


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