Patents

Granted

    • 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

Patent 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, 2022 | PDF.

    • Abdullah Abuolaim, Michael S. Brown, and Mahmoud Afifi. System and Method of Dual-Pixel Image Synthesis and Image Background Manipulation. US Patent Application, 2022 | PDF.

    • Mahmoud Afifi, Michael S. Brown, Konstantinos Derpanis, and Björn Ommer. Network for Correcting Overexposed and Underexposed Images. US Patent Application, 2021 | PDF

    • Mahmoud Afifi and Michael S. Brown. Apparatus and Method for White Balance Editing. US Patent Application, 2021 | PDF

    • Mahmoud Afifi and Michael Brown. Systems and Methods for Sensor-Independent Illuminant Determination. US & Canada Patent Application, 2021 | 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

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