A dynamic search pattern motion estimation algorithm using prioritized motion vectors. - Hadi Amirpour; Amir Mousavinia (Signal Image Video Process., 2016)

High Efficient Snake Order Pseudo-Sequence Based Light Field Image Compression. - Hadi Amirpour; Manuela Pereira; António M. G. Pinheiro (DCC, 2018)

Fast Depth Decision in Light Field Compression. - Hadi Amirpour; António M. G. Pinheiro; Manuela Pereira; Mohammad Ghanbari 001 (DCC, 2019)

Light Field Image Compression with Random Access. - Hadi Amirpour; António M. G. Pinheiro; Manuela Pereira; Fernando J. P. Lopes; Mohammad Ghanbari 001 (DCC, 2019)

Reliability of the Most Common Objective Metrics for Light Field Quality Assessment. - Hadi Amirpour; António M. G. Pinheiro; Manuela Pereira; Mohammad Ghanbari 001 (ICASSP, 2019)

Fast and Efficient Lenslet Image Compression. - Hadi Amirpour; António M. G. Pinheiro; Manuela Pereira; Mohammad Ghanbari 001 (CoRR, 2019)

Motion estimation with chessboard pattern prediction strategy. - Hadi Amirpour; Mohammad Ghanbari 001; António M. G. Pinheiro; Manuela Pereira (Multim. Tools Appl., 2019)

Fast Multi-rate Encoding for Adaptive HTTP Streaming. - Hadi Amirpour; Ekrem Çetinkaya; Christian Timmerer; Mohammed Ghanbari 001 (DCC, 2020)

Quality Evaluation Of Digital Holographic Data Encoded On The Object Plane Using State Of The Art Codecs. - Hadi Amirpour; António M. G. Pinheiro; Elsa Susana Reis Fonseca; Mohammad Ghanbari 001; Manuela Pereira (ICIP, 2020)

Towards View-Aware Adaptive Streaming of Holographic Content. - Hadi Amirpour; Christian Timmerer; Mohammad Ghanbari 001 (ICME Workshops, 2020)

Relevance-Based Compression of Cataract Surgery Videos Using Convolutional Neural Networks. - Negin Ghamsarian; Hadi Amirpour; Christian Timmerer; Mario Taschwer; Klaus Schöffmann (ACM Multimedia, 2020)

Scalable High Efficiency Video Coding based HTTP Adaptive Streaming over QUIC. - Minh Nguyen 006; Hadi Amirpour; Christian Timmerer; Hermann Hellwagner (EPIQ@SIGCOMM, 2020)

FaME-ML: Fast Multirate Encoding for HTTP Adaptive Streaming Using Machine Learning. - Ekrem Çetinkaya; Hadi Amirpour; Christian Timmerer; Mohammad Ghanbari 001 (VCIP, 2020)

Performance comparison of video encoders in light field image compression. - Hadi Amirpour; António M. G. Pinheiro; Manuela Pereira; Mohammed Ghanbari 001 (3D Imaging and Applications, 2021)

SLFC: Scalable Light Field Coding. - Hadi Amirpour; Christian Timmerer; Mohammad Ghanbari 001 (DCC, 2021)

A Channel Allocation Algorithm for Cognitive Radio Users Based on Channel State Predictors. - Nakisa Shams; Hadi Amirpour; Christian Timmerer; Mohammad Ghanbari 001 (ICICT (2), 2021)

Efficient Content-Adaptive Feature-Based Shot Detection for HTTP Adaptive Streaming. - Vignesh V. Menon; Hadi Amirpour; Mohammad Ghanbari 001; Christian Timmerer (ICIP, 2021)

PSTR: Per-Title Encoding Using Spatio-Temporal Resolutions. - Hadi Amirpour; Christian Timmerer; Mohammad Ghanbari 001 (ICME, 2021)

CSDN: CDN-Aware QoE Optimization in SDN-Assisted HTTP Adaptive Video Streaming. - Reza Farahani; Farzad Tashtarian; Hadi Amirpour; Christian Timmerer; Mohammad Ghanbari 001; Hermann Hellwagner (LCN, 2021)

Towards Optimal Multirate Encoding for HTTP Adaptive Streaming. - Hadi Amirpour; Ekrem Çetinkaya; Christian Timmerer; Mohammad Ghanbari 001 (MMM (1), 2021)

INCEPT: Intra CU Depth Prediction for HEVC. - Vignesh V. Menon; Hadi Amirpour; Christian Timmerer; Mohammed Ghanbari 001 (MMSP, 2021)

A cross-layer approach for supporting real-time multi-user video streaming over WLANs. - Hannaneh Barahouei Pasandi; Tamer Nadeem; Hadi Amirpour; Christian Timmerer (MobiCom, 2021)

Efficient Multi-Encoding Algorithms for HTTP Adaptive Bitrate Streaming. - Vignesh V. Menon; Hadi Amirpour; Christian Timmerer; Mohammed Ghanbari 001 (PCS, 2021)

LwTE-Live: Light-weight Transcoding at the Edge for Live Streaming. - Alireza R. Erfanian; Hadi Amirpour; Farzad Tashtarian; Christian Timmerer; Hermann Hellwagner (ViSNext@SIGCOMM, 2021)

Learning-driven MU-MIMO Grouping for Multi-User Multimedia Applications Over Commodity WiFi. - Hannaneh Barahouei Pasandi; Hadi Amirpour; Tamer Nadeem; Christian Timmerer (ViSNext@SIGCOMM, 2021)

Improving Per-title Encoding for HTTP Adaptive Streaming by Utilizing Video Super-resolution. - Hadi Amirpour; Hannaneh Barahouei Pasandi; Christian Timmerer; Mohammed Ghanbari 001 (VCIP, 2021)

On the Impact of Viewing Distance on Perceived Video Quality. - Hadi Amirpour; Raimund Schatz; Christian Timmerer; Mohammad Ghanbari 001 (VCIP, 2021)

LwTE: Light-Weight Transcoding at the Edge. - Alireza R. Erfanian; Hadi Amirpour; Farzad Tashtarian; Christian Timmerer; Hermann Hellwagner (IEEE Access, 2021)

Intense: In-Depth Studies on Stall Events and Quality Switches and Their Impact on the Quality of Experience in HTTP Adaptive Streaming. - Babak Taraghi; Minh Nguyen 006; Hadi Amirpour; Christian Timmerer (IEEE Access, 2021)

MuViS: Online MU-MIMO Grouping for Multi-User Applications Over Commodity WiFi. - Hannaneh Barahouei Pasandi; Tamer Nadeem; Hadi Amirpour (CoRR, 2021)

CTU depth decision algorithms for HEVC: A survey. - Ekrem Çetinkaya; Hadi Amirpour; Mohammed Ghanbari 001; Christian Timmerer (Signal Process. Image Commun., 2021)

CODA: Content-aware Frame Dropping Algorithm for High Frame-rate Video Streaming. - Vignesh V. Menon; Hadi Amirpour; Mohammed Ghanbari 001; Christian Timmerer (DCC, 2022)

FuRA: Fully Random Access Light Field Image Compression. - Hadi Amirpour; Christine Guillemot; Christian Timmerer (EUVIP, 2022)

OPTE: Online Per-Title Encoding for Live Video Streaming. - Vignesh V. Menon; Hadi Amirpour; Mohammed Ghanbari 001; Christian Timmerer (ICASSP, 2022)

ETPS: Efficient Two-Pass Encoding Scheme for Adaptive Live Streaming. - Vignesh V. Menon; Hadi Amirpour; Mohammad Ghanbari 001; Christian Timmerer (ICIP, 2022)

LFC-SASR: Light Field Coding Using Spatial and Angular Super-Resolution. - Ekrem Çetinkaya; Hadi Amirpour; Christian Timmerer (ICME Workshops, 2022)

Perceptually-Aware Per-Title Encoding for Adaptive Video Streaming. - Vignesh V. Menon; Hadi Amirpour; Mohammad Ghanbari 001; Christian Timmerer (ICME, 2022)

OPSE: Online Per-Scene Encoding for Adaptive Http Live Streaming. - Vignesh V. Menon; Hadi Amirpour; Christian Feldmann; Mohammad Ghanbari 001; Christian Timmerer (ICME Workshops, 2022)

Video streaming using light-weight transcoding and in-network intelligence. - Alireza R. Erfanian; Hadi Amirpour; Farzad Tashtarian; Christian Timmerer; Hermann Hellwagner (MHV, 2022)

RICHTER: hybrid P2P-CDN architecture for low latency live video streaming. - Reza Farahani; Hadi Amirpour; Farzad Tashtarian; Abdelhak Bentaleb; Christian Timmerer; Hermann Hellwagner; Roger Zimmermann (MHV, 2022)

Efficient bitrate ladder construction for live video streaming. - Vignesh V. Menon; Hadi Amirpour; Mohammad Ghanbari 001; Christian Timmerer (MHV, 2022)

IXR '22: 1st Workshop on Interactive eXtended Reality. - Irene Viola 001; Hadi Amirpour; Maria Torres Vega (ACM Multimedia, 2022)

Light-weight Video Encoding Complexity Prediction using Spatio Temporal Features. - Hadi Amirpour; Prajit T. Rajendran; Vignesh V. Menon; Mohammed Ghanbari 001; Christian Timmerer (MMSP, 2022)

Secure Reversible Data Hiding in Encrypted Images based on Classification Encryption Difference. - Lingfeng Qu; Hadi Amirpour; Mohammed Ghanbari 001; Christian Timmerer; Hongjie He (MMSP, 2022)

VCD: video complexity dataset. - Hadi Amirpour; Vignesh V. Menon; Samira Afzal; Mohammad Ghanbari 001; Christian Timmerer (MMSys, 2022)

VCA: video complexity analyzer. - Vignesh V. Menon; Christian Feldmann; Hadi Amirpour; Mohammad Ghanbari 001; Christian Timmerer (MMSys, 2022)

Multi-codec ultra high definition 8K MPEG-DASH dataset. - Babak Taraghi; Hadi Amirpour; Christian Timmerer (MMSys, 2022)

Content-adaptive Encoder Preset Prediction for Adaptive Live Streaming. - Vignesh V. Menon; Hadi Amirpour; Prajit T. Rajendran; Mohammed Ghanbari 001; Christian Timmerer (PCS, 2022)

Between Two and Six? Towards Correct Estimation of JND Step Sizes for VMAF-based Bitrate Laddering. - Hadi Amirpour; Raimund Schatz; Christian Timmerer (QoMEX, 2022)

Fast multi-encoding to reduce the cost of video streaming. - Hadi Amirpour; Vignesh V. Menon; Ekrem Çetinkaya; Adithyan Ilangovan; Christian Feldmann; Martin Smole; Christian Timmerer (CoRR, 2022)

Advanced Scalability for Light Field Image Coding. - Hadi Amirpour; Christine Guillemot; Mohammed Ghanbari 001; Christian Timmerer (IEEE Trans. Image Process., 2022)

Quality Evaluation of Holographic Images Coded With Standard Codecs. - Hadi Amirpour; António M. G. Pinheiro; Elsa Susana Reis Fonseca; Mohammed Ghanbari 001; Manuela Pereira (IEEE Trans. Multim., 2022)

Efficient Light Field Image Compression with Enhanced Random Access. - Hadi Amirpour; António M. G. Pinheiro; Manuela Pereira; Fernando J. P. Lopes; Mohammed Ghanbari 001 (ACM Trans. Multim. Comput. Commun. Appl., 2022)

Optimizing Video Streaming for Sustainability and Quality: The Role of Preset Selection in Per-Title Encoding. - Hadi Amirpour; Vignesh V. Menon; Samira Afzal; Radu Prodan; Christian Timmerer (ICME, 2023)

Just Noticeable Difference-Aware Per-Scene Bitrate-Laddering for Adaptive Video Streaming. - Vignesh V. Menon; Jingwen Zhu; Prajit T. Rajendran; Hadi Amirpour; Patrick Le Callet; Christian Timmerer (ICME, 2023)

Elevating Your Streaming Experience with Just Noticeable Difference (JND)-based Encoding. - Jingwen Zhu; Hadi Amirpour; Vignesh V. Menon; Raimund Schatz; Patrick Le Callet (MHV, 2023)

IXR '23: 2nd International Workshop on Interactive eXtended Reality. - Irene Viola 001; Hadi Amirpour; Stephanie Arévalo Arboleda; Maria Torres Vega (ACM Multimedia, 2023)

MCOM-Live: A Multi-Codec Optimization Model at the Edge for Live Streaming. - Daniele Lorenzi; Farzad Tashtarian; Hadi Amirpour; Christian Timmerer; Hermann Hellwagner (MMM (2), 2023)

LALISA: Adaptive Bitrate Ladder Optimization in HTTP-based Adaptive Live Streaming. - Farzad Tashtarian; Abdelhak Bentaleb; Hadi Amirpour; Babak Taraghi; Christian Timmerer; Hermann Hellwagner; Roger Zimmermann (NOMS, 2023)

Preparing VVC for Streaming: A Fast Multi-Rate Encoding Approach. - Yiqun Liu 013; Hadi Amirpour; Mohsen Abdoli; Christian Timmerer; Thomas Guionnet (VCIP, 2023)

Cryptanalysis of a Reversible Data Hiding Scheme in Encrypted Images by Improved Redundant Space Transfer. - Lingfeng Qu; Hongjie He; Hadi Amirpour; Mohammed Ghanbari 001; Christian Timmerer (VCIP, 2023)

Enhancing Satisfied User Ratio (SUR) Prediction for VMAF Proxy through Video Quality Metrics. - Jingwen Zhu; Hadi Amirpour; Raimund Schatz; Christian Timmerer; Patrick Le Callet (VCIP, 2023)

A Tutorial on Immersive Video Delivery: From Omnidirectional Video to Holography. - Jeroen van der Hooft; Hadi Amirpour; Maria Torres Vega; Yago Sanchez; Raimund Schatz; Thomas Schierl; Christian Timmerer (IEEE Commun. Surv. Tutorials, 2023)

Reversible data hiding for color images based on pixel value order of overall process channel. - Ningxiong Mao; Hongjie He; Fan Chen 003; Lingfeng Qu; Hadi Amirpour; Christian Timmerer (Signal Process., 2023)

Detection and Localization of Video Transcoding From AVC to HEVC Based on Deep Representations of Decoded Frames and PU Maps. - Haichao Yao; Rongrong Ni; Hadi Amirpour; Christian Timmerer; Yao Zhao 001 (IEEE Trans. Multim., 2023)

EMES: Efficient Multi-encoding Schemes for HEVC-based Adaptive Bitrate Streaming. - Vignesh V. Menon; Hadi Amirpour; Mohammad Ghanbari 001; Christian Timmerer (ACM Trans. Multim. Comput. Commun. Appl., 2023)

CD-LwTE: Cost- and Delay-Aware Light-Weight Transcoding at the Edge. - Alireza R. Erfanian; Hadi Amirpour; Farzad Tashtarian; Christian Timmerer; Hermann Hellwagner (IEEE Trans. Netw. Serv. Manag., 2023)

Exploring Bitrate Costs for Enhanced User Satisfaction: A Just Noticeable Difference (JND) Perspective. - Hadi Amirpour; Jingwen Zhu; Raimund Schatz; Patrick Le Callet; Christian Timmerer (DCC, 2024)

Content-Aware Reference Frame Synthesis for Enhanced Inter Prediction. - Mohammad Ghasempour; Yiying Wei; Hadi Amirpour; Christian Timmerer (EUSIPCO, 2024)

Video Encoding Enhancement via Content-Aware Spatial and Temporal Super-Resolution. - Yiying Wei; Hadi Amirpour; Ahmed Telili; Wassim Hamidouche; Guo Lu; Christian Timmerer (EUSIPCO, 2024)

A Real-Time Video Quality Metric for HTTP Adaptive Streaming. - Hadi Amirpour; Jingwen Zhu; Patrick Le Callet; Christian Timmerer (ICASSP, 2024)

Energy-Aware Resolution Selection for Per-Title Encoding. - Mohammad Ghasempour; Hadi Amirpour; Mohammad Ghanbari 001; Christian Timmerer (ICASSP, 2024)

ODVISTA: An Omnidirectional Video Dataset for Super-Resolution and Quality Enhancement Tasks. - Ahmed Telili; Ibrahim Farhat; Wassim Hamidouche; Hadi Amirpour (ICIP, 2024)

EVCA: Enhanced Video Complexity Analyzer. - Hadi Amirpour; Mohammad Ghasempour; Lingfeng Qu; Wassim Hamidouche; Christian Timmerer (MMSys, 2024)

VEED: Video Encoding Energy and CO2 Emissions Dataset for AWS EC2 instances. - Sandro Linder; Samira Afzal; Christian Bauer; Hadi Amirpour; Radu Prodan; Christian Timmerer (MMSys, 2024)

COCONUT: Content Consumption Energy Measurement Dataset for Adaptive Video Streaming. - Farzad Tashtarian; Daniele Lorenzi; Hadi Amirpour; Samira Afzal; Christian Timmerer (MMSys, 2024)

ARTEMIS: Adaptive Bitrate Ladder Optimization for Live Video Streaming. - Farzad Tashtarian; Abdelhak Bentaleb; Hadi Amirpour; Sergey Gorinsky; Junchen Jiang; Hermann Hellwagner; Christian Timmerer (NSDI, 2024)

Beyond Curves and Thresholds - Introducing Uncertainty Estimation to Satisfied User Ratios for Compressed Video. - Jingwen Zhu; Hadi Amirpour; Raimund Schatz; Patrick Le Callet; Christian Timmerer (PCS, 2024)

MVCD: Multi-Dimensional Video Compression Dataset. - Hadi Amirpour; Mohammad Ghasempour; Farzad Tashtarian; Ahmed Telili; Samira Afzal; Wassim Hamidouche; Christian Timmerer (VCIP, 2024)

Energy-Efficient Video Streaming: A Study on Bit Depth and Color Subsampling. - Hadi Amirpour; Lingfeng Qu; Jong Hwan Ko; Cosmin Stejerean; Christian Timmerer (VCIP, 2024)

Characterizing the Geometric Complexity of G-PCC Compressed Point Clouds. - Annalisa Gallina; Hadi Amirpour; Sara Baldoni; Giuseppe Valenzise; Federica Battisti (VCIP, 2024)

Energy-Aware Spatial and Temporal Resolution Selection for Per-Title Encoding. - Mohammad Ghasempour; Hadi Amirpour; Christian Timmerer (IEEE Access, 2024)

A Survey on Energy Consumption and Environmental Impact of Video Streaming. - Samira Afzal; Narges Mehran; Zoha Azimi Ourimi; Farzad Tashtarian; Hadi Amirpour; Radu Prodan; Christian Timmerer (CoRR, 2024)

EPS: Efficient Patch Sampling for Video Overfitting in Deep Super-Resolution Model Training. - Yiying Wei; Hadi Amirpour; Jong Hwan Ko; Christian Timmerer (CoRR, 2024)

Performance analysis of H2BR: HTTP/2-based segment upgrading to improve the QoE in HAS. - Minh Nguyen 006; Hadi Amirpour; Farzad Tashtarian; Christian Timmerer; Hermann Hellwagner (Multim. Tools Appl., 2024)

Ring Co-XOR encryption based reversible data hiding for 3D mesh model. - Lingfeng Qu; Hui Lu; Peng Chen; Hadi Amirpour; Christian Timmerer (Signal Process., 2024)

IoT Privacy Protection: JPEG-TPE With Lower File Size Expansion and Lossless Decryption. - Yuan Yuan 038; Hongjie He; Hadi Amirpour; Lingfeng Qu; Christian Timmerer; Fan Chen 003 (IEEE Internet Things J., 2024)

DeepVCA: Deep Video Complexity Analyzer. - Hadi Amirpour; Klaus Schoeffmann; Mohammad Ghanbari 001; Christian Timmerer (IEEE Trans. Circuits Syst. Video Technol., 2024)

Multi-resolution Encoding for HTTP Adaptive Streaming using VVenC. - Kamran Qureshi; Hadi Amirpour; Christian Timmerer (ISCAS, 2025)

Improving the Efficiency of VVC using Partitioning of Reference Frames. - Kamran Qureshi; Hadi Amirpour; Christian Timmerer (ISCAS, 2025)

CLIP-DQA: Blindly Evaluating Dehazed Images from Global and Local Perspectives Using CLIP. - Yirui Zeng; Jun Fu 007; Hadi Amirpour; Huasheng Wang; Guanghui Yue 001; Hantao Liu; Ying Chen 011; Wei Zhou 021 (ISCAS, 2025)

Unlocking implicit motion for evaluating image complexity. - Yixiao Li; Xiaoyuan Yang 003; Yuqing Luo; Hadi Amirpour; Hantao Liu; Wei Zhou 021 (Displays, 2025)

360-degree video super resolution and quality enhancement challenge: Methods and results. - Ahmed Telili; Wassim Hamidouche; Ibrahim Farhat; Hadi Amirpour; Christian Timmerer; Ibrahim Khadraoui; Jiajie Lu; The Van Le; Jeonneung Baek; Jin Young Lee; Yiying Wei; Xiaopeng Sun; et al. (Signal Process. Image Commun., 2025)

JPEG Image Encryption With DC Rotation and Undivided RSV-Based AC Group Permutation. - Yuan Yuan 038; Hongjie He; Yaolin Yang; Hadi Amirpour; Christian Timmerer; Fan Chen 003 (IEEE Trans. Multim., 2025)

Perceptual Visual Quality Assessment: Principles, Methods, and Future Directions. - Wei Zhou 021; Hadi Amirpour; Christian Timmerer; Guangtao Zhai; Patrick Le Callet; Alan C. Bovik (CoRR, 2025)

Real-Time Quality- and Energy-Aware Bitrate Ladder Construction for Live Video Streaming. - Mohammad Ghasempour; Hadi Amirpour; Christian Timmerer (IEEE J. Emerg. Sel. Topics Circuits Syst., 2025)

DeepStream: Video Streaming Enhancements Using Compressed Deep Neural Networks. - Hadi Amirpour; M. Ghanbari 001; Christian Timmerer (IEEE Trans. Circuits Syst. Video Technol., 2025)

Counterfeiting Attacks on an RDH-EI Scheme Based on Block-Permutation and Co-XOR. - Fan Chen 003; Lingfeng Qu; Hadi Amirpour; Christian Timmerer; Hongjie He (ACM Trans. Multim. Comput. Commun. Appl., 2025)

SVD: Spatial Video Dataset. - M. H. Izadimehr; Milad Ghanbari; Guodong Chen; Wei Zhou 021; Xiaoshuai Hao; Mallesham Dasari; Christian Timmerer; Hadi Amirpour (CoRR, 2025)

Convex Hull Prediction Methods for Bitrate Ladder Construction: Design, Evaluation, and Comparison. - Ahmed Telili; Wassim Hamidouche; Hadi Amirpour; Sid Ahmed Fezza; Christian Timmerer; Luce Morin (ACM Trans. Multim. Comput. Commun. Appl., 2025)

HTTP Adaptive Streaming: A Review on Current Advances and Future Challenges. - Christian Timmerer; Hadi Amirpour; Farzad Tashtarian; Samira Afzal; Amr Rizk; Michael Zink; Hermann Hellwagner (ACM Trans. Multim. Comput. Commun. Appl., 2025)

eMotions: A Large-Scale Dataset and Audio-Visual Fusion Network for Emotion Analysis in Short-form Videos. - Xuecheng Wu; Dingkang Yang; Danlei Huang; Xinyi Yin; Yifan Wang; Jia Zhang; Jiayu Nie; Liangyu Fu; Yang Liu 246; Junxiao Xue; Hadi Amirpour; Wei Zhou 021 (CoRR, 2025)