Most Recently (Selected) Conference Papers

Simin Mirzaei, Panos Nasiopoulos, Kostas Plataniotis. Direct Rician-Domain Processing for Noise-Aware MRI Denoising and Microstructure Preservation. ICASSP 2026-2026 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2026.
Zhenchao Ma, Hamid Reza Tohidypour, Panos Nasiopoulos, Victor CM Leung. Quality Enhancement for Anomaly Detection via Injective Linear Attention. ICASSP 2026-2026 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2026.
Simin Mirzaei, Panos Nasiopoulos, S. Mirabbasi. TemporalMamba: A Novel Video Super-Resolution Framework with Temporal State Space Models and Frequency-Domain Fusion. The 22nd ACM SIGGRAPH European Conference on Visual Media Production (CVMP 2025), 2025.
Simin Mirzaei, Hamid Reza Tohidypour, Panos Nasiopoulos, Deepan Chakravarthy, Fei Kuan, Leo Kamino, Mabel Wang, Tayyib Chohan. Prioritization of 9-1-1 Emergency Calls Using Fusion of Audio Signal Analysis and Speech-to-Text Transcription for Accurate Urgency Classification. 2025 International Conference on Prediction Solutions for Technical and Societal Systems (PREDICTION SOLUTIONS 2025), 2025.
Junbin Zhang, Hamid Reza Tohidypour, Yixiao Wang, Panos Nasiopoulos. Real Images Hold the Key to Detecting AI-generated Images Using Bayer Pattern Analysis. International Conference on Image Processing Workshop, 2025.
Simin Mirzaei, Hamid Reza Tohidypour, Panos Nasiopoulos, S. Mirabbasi. A Novel Bilateral Filter for Edge-Aware Antialiasing and Denoising of Low-Dose CBCT Images. International Conference on Image Processing Workshop, 2025.
Simin Mirzaei, Hamid Reza Tohidypour, S. Mirabbasi, Panos Nasiopoulos. Learning Beyond Generated Targets: A Modified SFNet for CBCT Image Enhancement. International Conference on Digital Signal Processing, 2025.
Simin Mirzaei, Zhenchao Ma, Hamid Reza Tohidypour, Panos Nasiopoulos. Zero-Shot Super-Resolution for Low-Dose CBCT Images Using Lightweight StereoMamba. International Conference on eHealth, Telemedicine, and Social Medicine, 2025.
Zhenchao Ma, Forrest Paul, Sara Zhang, Hongjing Chen, Hamid Reza Tohidypour, Panos Nasiopoulos. A Novel Deep Learning-Based Compressed Image Enhancement Method for Machine Consumption. 2025 International Conference on Computing, Networking and Communications (ICNC), 2025.
Zhenchao Ma, Hamid Reza Tohidypour, Panos Nasiopoulos, Victor CM Leung. StereoMamba: Enhancing Stereo Image Super-Resolution with Structured State Space Models and Bi-Directional Cross Attention. ICASSP 2025 – 2025 IEEE International Conference on Acoustics, Speech and Signal Processing, 2025.
Simin Mirzaei, A. Mahdizadeh, M. Yazdani, Hamid Reza Tohidypour, S. R. Vora, S. Mirabbasi, Panos Nasiopoulos, D. Shahriari. Visual Quality Enhancement of Low-Dose Dental CBCT Images. ICFSP, 2024.
Simin Mirzaei, Hamid Reza Tohidypour, S. Mirabbasi, Panos Nasiopoulos. Evaluation of Segmentation Schemes for Noisy and Denoised Dental Cone Beam Computed Tomography (CBCT) Images. GLOBAL Health, 2024.
Maissan Bazazeh, Hamid Reza Tohidypour, Junbin Zhang, Panos Nasiopoulos, Z. Yu, Y. Meng, G. Li, A. Singh, Abrar Wafa. An Efficient Compression Strategy for Light Field Video Data Management. MMEDIA, 2024.
Lisa (Fangyuan) Chi, Yixiao Wang, Panos Nasiopoulos, V. Leung. Decision-Making and Reasoning with GPT-4 on a monocular camera setup for autonomous driving. ICASSP, 2024.
Tala Bazzaza, Maissan Bazazeh, M. Rashidinia, W. Qian, Hamid Reza Tohidypour, Panos Nasiopoulos. Enhancing Light Field Video Compression Efficiency via View Selection and Synthesis Techniques. INTELLI, 2024.
Yixiao Wang, Z. Li, G. Guan, Y. Sun, C. Wang, Hamid Reza Tohidypour, Panos Nasiopoulos. Weighted Multi-task Vision Transformer for Distraction and Emotion Detection in Driving Safety. ICNC, 2024.
K. Tong, Junbin Zhang, Yixiao Wang, Hamid Reza Tohidypour, Panos Nasiopoulos. A High-fidelity Partial Face Manipulation Dataset for Enhanced Deepfake Detection. ICNC, 2024.
Hamid Reza Tohidypour, K. Jin, R. Fang, A. Rajavaram, H. Feng, Yixiao Wang, Tala Bazzaza, Mahsa Pourazad, Panos Nasiopoulos. A Dimmed Display Image Enhancement Technique for Energy Conservation. ICCE, 2024.
Nusrat Mehajabin, Tala Bazzaza, Hamid Reza Tohidypour, Yixiao Wang, Panos Nasiopoulos. Light Field Video Compression Efficiency Through View Omission and Synthesis. CVMP, 2023.
Hamid Reza Tohidypour, Tala Bazzaza, Yixiao Wang, Panos Nasiopoulos, V. Sastra, B. Ren, E. Ng, S. Gonzalez, A. Shieh. Deep Learning-Based Detection of Suspicious Activity in Outdoor Home Surveillance. MLN, 2023.
Junbin Zhang, Yixiao Wang, Hamid Reza Tohidypour, Panos Nasiopoulos. Detecting Stable Diffusion Generated Images using Frequency Artifacts: A Case Study on Disney-style Art. ICIP, 2023.
Jie Xiang, Hamid Reza Tohidypour, Yixiao Wang, Panos Nasiopoulos, Mahsa Pourazad. A Novel No-Reference HD Video Quality Metric Based on Perceptual Temporal Pooling. SMC, 2023.
Lisa (Fangyuan) Chi, Yixiao Wang, Panos Nasiopoulos, V.C.M. Leung. Federated Cooperative 3D Object Detection for Autonomous Driving. MLSP, 2023.
Parnia Haji Faraji, Hamid Reza Tohidypour, Yixiao Wang, Panos Nasiopoulos. Using Convolutional Neural Networks for Parking Sign Detection. SMART, 2023.
M. Mobaraki, M. Zidan, Hamid Reza Tohidypour, Yixiao Wang, R. Zhong, H. Lei, Panos Nasiopoulos. Masked Face Recognition Using Convolutional Neural Networks and Similarity Analysis. DSP, 2023.
Hamid Reza Tohidypour, Yixiao Wang, Mahsa Pourazad, C. Yuan, R. Wang, T. LePage, Panos Nasiopoulos. Gradient-based Offset Compensation for Edge Corrections on 8K Video Transmission using 4K Tiles. DSP, 2023.
Lisa (Fangyuan) Chi, Yixiao Wang, Panos Nasiopoulos, V. C.M. Leung, Mahsa Pourazad. Federated Semi-Supervised Learning for Object Detection in Autonomous Driving. ICASSP, 2023.
Zhenchao Ma, Yixiao Wang, Hamid Reza Tohidypour, Panos Nasiopoulos, V. C. M. Leung. A Swin Transformer Based Restoration Scheme for VVC Compressed Images. IMMM, 2023.
Hamid Reza Tohidypour, Yixiao Wang, Mahsa Pourazad, Panos Nasiopoulos, A. Tong, M. Saed, M. Zeng, R. Luo. A Color Preserving Down-sampling Approach for 8K to 4K HDR Images. ACCSE, 2023.
Yixiao Wang, Nusrat Mehajabin, Hamid Reza Tohidypour, J. Song, M. Huang, B. Babaghorbani, Z. Chen, Mahsa Pourazad, Panos Nasiopoulos, V.C.M. Leung. A Spatial Calibrated and Colour Corrected Light Field Outdoor Video Dataset from a 5x5 Dense Camera Array. ISCAS, 2023.
Lisa (Fangyuan) Chi, Yixiao Wang, Panos Nasiopoulos, V. C.M. Leung, Mahsa Pourazad. Federated Monocular 3D Object Detection for Autonomous Driving. VEHICULAR, 2023.
Tala Bazzaza, Hamid Reza Tohidypour, Yixiao Wang, Panos Nasiopoulos. An Efficient YOLOv7x Based Automated Street Parking Space Detection for Smart Cities. VEHICULAR, 2023.
Junbin Zhang, Hamid Reza Tohidypour, Yixiao Wang, Panos Nasiopoulos. Shallow- and Deep-fake Image Manipulation Localization Using Deep Learning. ICNC, 2023.
Junbin Zhang, Yixiao Wang, Hamid Reza Tohidypour, Mahsa Pourazad, Panos Nasiopoulos. A Generative Adversarial Network Based Tone Mapping Operator for 4K HDR Images. ICNC, 2023.
Hamid Reza Tohidypour, Yixiao Wang, Mahsa Pourazad, Panos Nasiopoulos, D. Zhao, M. Xie, D. Kamat. Investigating Suitability of Inverse Tone Mapping for Medical Images. ICCE, 2023.
Yixiao Wang, Hamid Reza Tohidypour, Mahsa Pourazad, Panos Nasiopoulos, V.C.M. Leung. Comparison of Modern Compression Standards on Medical Images for Telehealth Applications. ICCE, 2023.
Abrar Wafa, Panos Nasiopoulos. Light Field GAN-based View Synthesis using full 4D information. CVMP, 2022.
Junbin Zhang, Yixiao Wang, Hamid Reza Tohidypour, Panos Nasiopoulos. Deep Learning-based Synthesized Image Attribution Using Frequency Distribution Information. CSCI, 2022.
Hamid Reza Tohidypour, Yixiao Wang, Mahsa Pourazad, Panos Nasiopoulos, G. Heir, D. Ibikunle, A. Li, F. Saleem, Z. Luo. Deep Learning Based Camera Switching for Sports Broadcasting. MLN, 2022.
Nusrat Mehajabin, Zhenchao Ma, Yixiao Wang, Hamid Reza Tohidypour, Panos Nasiopoulos. Real-Time Deep Learning based Road Deterioration Detection for Smart Cities. WiMob, 2022.
Hamid Reza Tohidypour, Mahsa Pourazad, Panos Nasiopoulos. A Security-Centric Deep Learning Enabled Camera Solution for Real-Time Human Fall Detection. WiMob, 2022.
Hamid Reza Tohidypour, Anahita Shojaei, Panos Nasiopoulos, Mahsa Pourazad. A Deep Learning Based Human Fall Detection Solution. PETRA, 2022.
Hamid Reza Tohidypour, Yixiao Wang, Mahsa Pourazad, Panos Nasiopoulos. A Deep Learning based Unoccupied Parking Space Detection Method for City Lots. International Conference on Intelligent Systems and Applications, 2022.
Nusrat Mehajabin, D. Jin, R. Yao, T. Dykstra, Mahsa Pourazad. Epipolar Shift Compensated Light Field Video Quality Metric. MMEDIA, 2022.
Nusrat Mehajabin, P. Yan, S. Kaur, J. Song, Mahsa Pourazad, Yixiao Wang, Hamid Reza Tohidypour, Panos Nasiopoulos. An Efficient Refocusing Scheme for Camera-Array Captured Light Field Video for Improved Visual Immersiveness. HICSS, 2022.
Yixiao Wang, Hamid Reza Tohidypour, Mahsa Pourazad, Panos Nasiopoulos, V. C.M. Leung. Deep Learning-Based HDR Image Upscaling Approach for 8K UHD Applications. ICCE, 2022.
Tala Bazzaza, Z. Chen, S. Prabha, Hamid Reza Tohidypour, Yixiao Wang, Mahsa Pourazad, Panos Nasiopoulos, V. C.M. Leung. Deep Learning Based Street Parking Space Detection in Real-Time. ICCE, 2022.
Hamid Reza Tohidypour, Yixiao Wang, M. Gholami, M. Kalia, K. Wen, L. Li, Panos Nasiopoulos, Mahsa Pourazad. A Deep Learning Based Approach for Camera Switching in Amateur Ice Hockey Game Broadcasting. CVMP, 2021.
Nusrat Mehajabin, Yixiao Wang, Hamid Reza Tohidypour, Mahsa Pourazad, Panos Nasiopoulos. An Object-Based Refocusing Scheme for Light Field Video Content. International Conference on Advances on Societal Digital Transformation, 2021.
Abrar Wafa, Mahsa Pourazad, Panos Nasiopoulos. Learning-Based Light Field View Synthesis for Efficient Transmission and Storage. ICIP, 2021.
P. Haji Faraji, Hamid Reza Tohidypour, Yixiao Wang, Panos Nasiopoulos, S. Ren, A. Rizvi, C. Feng, Mahsa Pourazad, V. C.M. Leung. Deep Learning based Street Parking Sign Detection and Classification for Smart Cities. GoodIT, 2021.
Mahsa Pourazad, T. Sung, H. Hu, S. Wang, Hamid Reza Tohidypour, Yixiao Wang, Panos Nasiopoulos, V. C.M. Leung. Comparison of Emerging Video Compression Schemes for Efficient Transmission of 4K and 8K HDR Video. MeditCom, 2021.
L. Shpeller, C. Cadonic, S. Phrakonkham, Panos Nasiopoulos, Z. Moussavi. Developing a Machine Learning Model for Automated Scoring on the Cube in Cognitive Assessments: A Pilot Study. 44th Canadian Medical and Biological Engineering Conference, 2021.
Stelios Ploumis, Ronan Boitard, Panos Nasiopoulos. Image Brightness Quantification for HDR. EUSIPCO, 2021.
Jie Xiang, Mahsa Pourazad, Panos Nasiopoulos, Stelios Ploumis. Differences in Visual Attention for HDR and SDR Content. IEEE Conference on Consumer Electronics, 2021.
Anahita Shojaei, Panos Nasiopoulos, Mahsa Pourazad. A New Large-scale Video Dataset for Human Fall Detection. NeurIPS 2020 Workshop on Dataset Curation and Security, 2020.
Maryam Azimi, Panos Nasiopoulos, Mahsa Pourazad. A Novel Chroma Representation for Improved HDR Video Compression Efficiency using the HEVC Standard. ICIP, 2020.
Pedram Mohammadi, Mahsa Pourazad, Panos Nasiopoulos, V.C.M. Leung. A Color Adjustment Method for HDR Display of Video Content Received Over Wireless Multimedia Networks. WiMob, 2020.
V. Thirumalai, J. Ribera, Jie Xiang, Junbin Zhang, Maryam Azimi, J. Kamali, Panos Nasiopoulos. A subjective method for evaluating foveated image quality in HMDs. International Symposium, Seminar & Exhibition - Display Week, 2020.
Nusrat Mehajabin, Mahsa Pourazad, Panos Nasiopoulos. SSIM Assisted Pseudo-sequence-based Prediction Structure for Light Field Video Compression. ICCE, 2020.
Mahsa Pourazad, Anahita Shojaei, Panos Nasiopoulos, Maryam Azimi, M. Mak, J. Grace, D. Jung, T. Bains. A Non-Intrusive Deep Learning Based Fall Detection Scheme Using Video Cameras. ICOIN, 2020.
Maryam Azimi, Panos Nasiopoulos, Mahsa Pourazad. Improving Color Accuracy of HDR Video Content. ICECS, 2019.
Stelios Ploumis, Ronan Boitard, G. Damber, A. Ballestad, Panos Nasiopoulos. An Entropy-Based Inverse Tone Mapping Operator with Improved Color Accuracy for High Dynamic Range Applications. SMPTE, 2019.
Nusrat Mehajabin, S. R. Luo, H. Wei Yu, Joseph Khoury, J. Kaur, Mahsa Pourazad. An Efficient Random Access Light Field Video Compression Utilizing Diagonal Inter-View Prediction. ICIP, 2019.
Pedram Mohammadi, Mahsa Pourazad, Panos Nasiopoulos. A High Contrast Video Inverse Tone Mapping Operator for High Dynamic Range Applications. ISCAS, 2019.
Joseph Khoury, Mahsa Pourazad, Panos Nasiopoulos. A New Prediction Structure for Efficient MV-HEVC based Light Field Video Compression. IEEE International Conference on Computing, 2019.
Pedram Mohammadi, Maryam Azimi, Mahsa Pourazad. An Entropy-Based Inverse Tone Mapping Operator with Improved Color Accuracy for High Dynamic Range Applications. ICCE, 2019.