Patents
Granted
Mahmoud Afifi, Michael S. Brown, Konstantinos Derpanis, and Björn Ommer. Network for Correcting Overexposed and Underexposed Images. US Patent, 2023 | PDF
Mahmoud Afifi and Michael S. Brown. Apparatus and Method for White Balance Editing. US Patent, KR Patent, 2023 | PDF
Mahmoud Afifi and Michael S. Brown, Systems and Methods for Sensor-Independent Illuminant Determination. US Patent, 2022 | PDF
Mahmoud Afifi, Michael Brown, Brian Price, and Scott Cohen. Image White Balancing. US Patent, 2021 | PDF
Atima Lui, Nyalia Lui, Mahmoud Afifi, and Ariadne Bazigos. System and Method for Color Matching. US Patent, 2020 | PDF
Applications
Mahmoud Afifi, Michael S. Brown, and Marcus A. Brubaker. System and Method of White Balancing a Digital Image With Multiple Light Sources. US Patent Application, 2023 | PDF.
Abdullah Abuolaim, Mahmoud Afifi, and Michael S. Brown. System and Method of Dual-Pixel Image Synthesis and Image Background Manipulation. US Patent Application, 2023 | PDF.
Michael Brown, Mahmoud Afifi, Abdelrahman Abdelhamed, Hakki Can Karaimer, Abdullah Abuolaim, and Abhijith Punnappurath. System and Method of Processing of a Captured Image to Facilitate Post-Processing Modification. Worldwide Patent Application, 2020 | PDF
Papers
2024
Mahmoud Afifi, Zhenhua Hu, and Liang Liang. Optimizing Illuminant Estimation in Dual-Exposure HDR Imaging. arXiv preprint, 2024 | arXiv
Georgy Perevozchikov, Nancy Mehta, Mahmoud Afifi, and Radu Timofte. Rawformer: Unpaired Raw-to-Raw Translation for Learnable Camera ISPs. arXiv preprint, 2024 | arXiv
2022
Mahmoud Afifi, Marcus A. Brubaker, and Michael S. Brown. Auto White Balance for Mixed-Illuminant Scenes. In IEEE Winter Conference on Applications of Computer Vision (WACV), 2022 | PDF | Supplementary Materials | arXiv | Code & Data | Poster | PPT | Talk | Patent Application
Abdullah Abuolaim, Mahmoud Afifi, and Michael S. Brown. Improving Single-Image Defocus Deblurring: How Dual-Pixel Images Help Through Multi-Task Learning. In IEEE Winter Conference on Applications of Computer Vision (WACV), 2022 | PDF | Supplementary Materials | arXiv | Code & Dataset | Patent Application
Abdullah Abuolaim, Mahmoud Afifi, and Michael S. Brown. Multi-view motion synthesis via applying rotated dual-pixel blur kernels. In the Workshop on Applications of Computational Imaging (WACI), 2022 | PDF | arXiv
2021
Mahmoud Afifi, Jonathan T. Barron, Chloe LeGendre, Yun-Ta Tsai, and Francois Bleibel. Cross-Camera Convolutional Color Constancy. In IEEE International Conference on Computer Vision (ICCV), 2021 | PDF | Supplementary Materials | arXiv | Code | Poster | PPT | Talk | Google @ ICCV'21 *Oral Presentation*
Mahmoud Afifi, Marcus Brubaker, and Michael S. Brown. HistoGAN: Controlling Colors of GAN-Generated and Real Images via Color Histograms. In IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2021 | PDF | Supplementary Materials | arXiv | Code & Dataset | Colab (histogram loss) | Poster | PPT | Talk
Mahmoud Afifi, Konstantinos G. Derpanis, Björn Ommer, and Michael S. Brown. Learning Multi-Scale Photo Exposure Correction. In IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2021 | PDF | Supplementary Materials | arXiv | Code & Dataset | Poster | PPT | Talk | Samsung Research Post
Mahmoud Afifi, Abdelrahman Abdelhamed, Abdullah Abuolaim, Abhijith Punnappurath, and Michael S. Brown. CIE XYZ Net: Unprocessing Images for Low-Level Computer Vision Tasks. IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 2021 | PDF | Supplementary Materials | arXiv | External Link | Code & Dataset
Mahmoud Afifi and Abdullah Abuolaim. Semi-Supervised Raw-to-Raw Mapping. In British Machine Vision Conference (BMVC), 2021 | arXiv | Dataset | PPT
Mahmoud Afifi, Abdullah Abuolaim*, Mostafa Hussien*, Marcus A. Brubaker, and Michael S. Brown. CAMS: Color-Aware Multi-Style Transfer. arXiv preprint, 2021 | arXiv | Code *Equal contribution
2020
Mahmoud Afifi and Michael S. Brown. Deep White-Balance Editing. In IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2020 | PDF | Supplementary Materials | arXiv | Code | PPT | Talk | CVPR Daily Magazine | Samsung Research Post | Samsung Newsroom *Oral Presentation*
Abhijith Punnappurath, Abdullah Abuolaim*, Mahmoud Afifi*, and Michael S. Brown. Modeling Defocus-Disparity in Dual-Pixel Sensors. In IEEE International Conference on Computational Photography (ICCP), 2020 | PDF | Code & Dataset | External Link | Talk *Equal contribution
Majed El Helou, Ruofan Zhou, Sabine Süsstrunk, Radu Timofte, Mahmoud Afifi, Michael S. Brown, et al. AIM 2020: Scene Relighting and Illumination Estimation Challenge. In European Conference on Computer Vision Workshops (ECCVW), 2020 | PDF | Code *Runner-up Award*
Mahmoud Afifi and Michael S. Brown. Interactive White Balancing for Camera-Rendered Images. In Color and Imaging Conference (CIC), 2020 | arXiv | Code | Presentation
Hoang Le, Mahmoud Afifi, and Michael S. Brown. Improving Color Space Conversion for Camera-Captured Images via Wide-Gamut Metadata. In Color and Imaging Conference (CIC), 2020 | PDF | Code & Dataset
Abdelrahman Abdelhamed, Mahmoud Afifi, Radu Timofte, Michael S. Brown, et al. NTIRE 2020 Challenge on Real Image Denoising: Dataset, Methods and Results. In IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPRW), 2020 | PDF
2019
Mahmoud Afifi and Michael S. Brown. What Else Can Fool Deep Learning? Addressing Color Constancy Errors on Deep Neural Network Performance. In IEEE International Conference on Computer Vision (ICCV), 2019 | PDF | Project Page | Supplementary Materials | Code
Mahmoud Afifi, Brian Price, Scott Cohen, and Michael S. Brown. When Color Constancy Goes Wrong: Correcting Improperly White-Balanced Images. In IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2019 | PDF | Project Page | Supplementary Materials | Demo | Code | Dataset | Video | Adobe Research Post
Mahmoud Afifi and Michael S. Brown. Sensor-Independent Illumination Estimation for DNN Models. In British Machine Vision Conference (BMVC), 2019 | PDF | Project Page | Supplementary Materials | Code | PPT | Talk | External Link *Oral Presentation*
Mahmoud Afifi, Abhijith Punnappurath, Abdelrahman Abdelhamed, Hakki Can Karaimer, Abdullah Abuolaim, and Michael S. Brown. Color Temperature Tuning: Allowing Accurate Post-Capture White-Balance Editing. In Color and Imaging Conference (CIC), 2019 | PDF | Project Page | Code | PPT *Best Paper Award*
Mahmoud Afifi, Brian Price, Scott Cohen, and Michael S. Brown. Image Recoloring Based on Object Color Distributions. In Eurographics (short papers), 2019 | PDF | Project Page | Supplementary Materials | PPT | Code | Fast-Forward Video | Adobe Research Post | External Link
Mahmoud Afifi, Abhijith Punnappurath, Graham Finlayson, and Michael Brown. As-Projective-As-Possible Bias Correction for Illumination Estimation Algorithms. Journal of the Optical Society of America A (JOSA A), 2019 | PDF | Project Page | External Link
Abdullah Sawas, Abdullah Abuolaim, Mahmoud Afifi, and Manos Papagelis. A Versatile Computational Framework for Group Pattern Mining of Pedestrian Trajectories. GeoInformatica, 2019 | External Link
Mahmoud Afifi and Abdelrahman Abdelhamed . AFIF4: Deep Gender Classification Based on AdaBoost-Based Fusion of Isolated Facial Features and Foggy Faces. Journal of Visual Communication and Image Representation (JVCI), 2019 | PDF | Project Page | External Link
Mahmoud Afifi. 11K Hands: Gender Recognition and Biometric Identification Using a Large Dataset of Hand Images. Multimedia Tools and Applications (MTA), 2019 | PDF | Project Page | External Link
Mahmoud Afifi. Dynamic Length Color Palettes. IET Electronics Letters (IET-EL), 2019 | Code | Demo | External Link
Mahmoud Afifi and Khaled F. Hussain. The Achievement of Higher Flexibility in Multiple Choice-based Tests Using Image Classification Techniques. International Journal on Document Analysis and Recognition (IJDAR), 2019 | Project Page | External Link
2018
Khaled F. Hussain, Mahmoud Afifi, and Ghada Moussa. A Comprehensive Study of the Effect of Spatial Resolution and Color of Digital Images on Vehicle Classification. IEEE Transactions on Intelligent Transportation Systems (ITS), 2018 | PDF | External Link
Abdullah Sawas*, Abdullah Abuolaim*, Mahmoud Afifi, and Manos Papagelis. Tensor Methods for Group Pattern Discovery of Pedestrian Trajectories. In IEEE International Conference on Mobile Data Management (MDM), 2018 | Project Page | External Link *Best Paper Award* *Equal contribution
Abdullah Sawas, Abdullah Abuolaim, Mahmoud Afifi, and Manos Papagelis. Trajectolizer: Interactive Analysis and Exploration of Trajectory Group Dynamics. In IEEE International Conference on Mobile Data Management (MDM), 2018 | Project Page | External Link
Mahmoud Afifi. Semantic White Balance: Semantic Color Constancy Using Convolutional Neural Network. In Deep Learning and Reinforcement Learning Summer School (DLR-Posters Session), CIFAR - Vector Institute, Toronto, Canada, 2018 | PDF | PPT | Poster | Code
Mahmoud Afifi, Marwa Nasser, Mostafa Korashy, Katherine Rohde, and Aly Abdelrahim. Can We Boost the Power of the Viola−Jones Face Detector Using Pre-processing? An Empirical Study. Journal of Electronic Imaging (JEI), 2018 | PDF | External Link
2017
Islam ATF Taj-Eddin, Mahmoud Afifi, Mostafa Korashy, Ali H. Ahmed, Ng Yoke Cheng, Evelyng Hernandez, and Salma M. Abdel-latif. Can We See Photosynthesis? Magnifying the Tiny Color Changes of Plant Green Leaves Using Eulerian Video Magnification. Journal of Electronic Imaging (JEI), 2017 | PDF | Press | Video | Project Page | External Link
2016
Taj-Eddin, Islam ATF, Mahmoud Afifi, Mostafa Korashy, Doha Hamdy, Marwa Nasser, and Shimaa Derbaz. A New Compression Technique for Surveillance Videos: Evaluation Using New Dataset. In IEEE International Conference on Digital Information and Communication Technology and its Applications (DICTAP), 2016 | PDF | Project Page | Dataset | External Link
Mahmoud Afifi, and Khaled F. Hussain. MPB: A Modified Poisson Blending Technique. Computational Visual Media (CVM), 2016 | PDF | Code | Project Page | External Link
2015
Mahmoud Afifi, Video Flash Matting: Video Foreground Object Extraction Using an Intermittent Flash. In International Conference on Advanced Intelligent System and Informatics (AISI), 2015 External Link | Video
Ali H. Ahmed, Mahmoud Afifi, Mostafa Korashy, Ebram K. William, Mahmoud Abd El-sattar, and Zeinab Hafez. OCR System for Poor Quality Images Using Chain-Code Representation. In International Conference on Advanced Intelligent System and Informatics (AISI), 2015 | External Link
Mahmoud Afifi, Khaled F. Hussain, Hosny M. Ibrahim, and Nagwa M. Omar. Fast Video Completion Using Patch-based Synthesis and Image Registration. In IEEE International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS), 2015 | PDF | Project Page | Code | Video | External Link
Mahmoud Afifi, Khaled F. Hussain, Hosny M. Ibrahim, and Nagwa M. Omar. Video Face Replacement System Using a Modified Poisson Blending Technique. In IEEE International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS), 2015 | PDF | Project Page | Code | Video | External Link
Mahmoud Afifi, Khaled F. Hussain, Hosny M. Ibrahim, and Nagwa M. Omar. A Low-cost System for Generating Near-realistic Virtual Actors. 3D Research, 2015 | Video | External Link