Abdelrahman Abdelhamed

Research Scientist at Google
Email | Google Scholar | GitHub | LinkedIn

Dataset and benchmark for real image denoising: Smartphone Image Denoising Dataset (SIDD).
The old website will be shut down soon.
The submission server can be accessed directly from here.

Education

PhD (Computer Science), York University, Canada, 2020
Supervisor: Prof. Michael S. Brown
Thesis: Noise Modelling for Smartphone Cameras

MSc (Computer Science), National University of Singapore, 2016
Supervisor: Prof. Michael S. Brown
Thesis: Two-Illuminant Estimation and User-Preferred Correction For Image Color Constancy

MSc (Computer Science), Assiut University, Egypt, 2014
Supervisors: Prof. Yousef B. Mahdy, Assoc. Prof. Khaled F. Hussain
Thesis: Real-Time Large-Scale Content-Based Image Retrieval

BSc (Computer Science), Assiut University, Egypt, 2009

Research interests

Computer Vision, Image Processing, Computational Photography, Human Computer Interaction
Noise Modelling, White Balance, Mobile Interfaces, Deep Learning, CNNs, Nearest Neighbour Search, Image Retrieval

Professional service

Area Chair, WACV 2023
Workshop/Challenge organizer and program committee member NTIRE 2020 workshop @ CVPR 2020
Workshop/Challenge organizer and program committee member NTIRE 2019 workshop @ CVPR 2019
Website chair, CVPR'18
Reviewer, CVPR, ICCV, ECCV, BMVC, WACV, CRV, CIC, IEEE TPAMI, Springer IJCV, IEEE TIP, IEEE TCI, IET Computer Vision, IET Image Processing, ELSEVIER Signal Processing, SIAM Imaging Sciences

Publications

Learning Tone Curves for Local Image Enhancement
Zhao L., Abdelhamed A., Brown M. S.
IEEE Access, 2022
PDF | Code & Data | Bibtex

@article{zhao2022learning,
				  title={Learning Tone Curves for Local Image Enhancement},
				  author={Zhao, Luxi and Abdelhamed, Abdelrahman and Brown, Michael S},
				  journal={IEEE Access},
				  year={2022},
				  publisher={IEEE}
				}

Day-to-Night Image Synthesis for Training Nighttime Neural ISPs
Punnappurath A., Abuolaim A., Abdelhamed A., Levinshtein A., Brown M. S.
IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2022
Paper | Supplemental | Code & Data | Bibtex

@InProceedings{Day-to-Night,
					author    = {Punnappurath, Abhijith and Abuolaim, Abdullah and Abdelhamed, Abdelrahman and Levinshtein, Alex and Brown, Michael S.},
					title     = {Day-to-Night Image Synthesis for Training Nighttime Neural ISPs},
					booktitle = {Proceedings of the IEEE/CVF Computer Vision and Pattern Recognition (CVPR)},
					year      = {2022}
				}

Extracting Vignetting and Grain Filter Effects From Photos
Abdelhamed A., Yim J., Punnappurath A., Brown M. S., Choe J., Kim K.
IEEE/CVF Winter Conference on Applications of Computer Vision (WACV), 2022
PDF | Code | Data | Bibtex

@InProceedings{Abdelhamed_2022_WACV,
					author    = {Abdelhamed, Abdelrahman and Yim, Jonghwa and Punnappurath, Abhijith and Brown, Michael S. and Choe, Jihwan and Kim, Kihwan},
					title     = {Extracting Vignetting and Grain Filter Effects From Photos},
					booktitle = {Proceedings of the IEEE/CVF Winter Conference on Applications of Computer Vision (WACV)},
					month     = {January},
					year      = {2022},
					pages     = {1191-1199}
				}

GamutNet: Restoring Wide-Gamut Colors for Camera-Captured Images
Le H., Jeong T., Abdelhamed A., Shin H. J., Brown M. S.
Color and Imaging Conference (CIC), 2021
PDF | Code & Data | Bibtex

@inproceedings{le2021gamutnet,
					title={GamutNet: Restoring Wide-Gamut Colors for Camera-Captured Images},
					author={Le, Hoang and Jeong, Taehong and Abdelhamed, Abdelrahman and Shin, Hyun Joon and Brown, Michael S},
					booktitle={Color and Imaging Conference (CIC)},
					volume={2021},
					number={29},
					pages={7--12},
					year={2021},
					organization={Society for Imaging Science and Technology}
				}

@InProceedings{Abdelhamed_2021_CVPR,
				    author    = {Abdelhamed, Abdelrahman and Punnappurath, Abhijith and Brown, Michael S.},
				    title     = {Leveraging the Availability of Two Cameras for Illuminant Estimation},
				    booktitle = {Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)},
				    month     = {June},
				    year      = {2021},
				    pages     = {6637-6646}
				}

CIE XYZ Net: Unprocessing Images for Low-Level Computer Vision Tasks
Afifi M., Abdelhamed A., Abuolaim A., Punnappurath A., Brown M. S.
IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 2021
PDF | arXiv | Code & Data | Bibtex

@article{afifi2020cie,
				  title={CIE XYZ Net: Unprocessing images for low-level computer vision tasks},
				  author={Afifi, Mahmoud and Abdelhamed, Abdelrahman and Abuolaim, Abdullah and Punnappurath, Abhijith and Brown, Michael S},
				  journal={IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI)},
				  year={2021}
				}

NTIRE 2020 Challenge on Real Image Denoising: Dataset, Methods and Results
Abdelhamed A., Afifi M., Timofte R., Brown M. S., et al.
IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW), 2020
PDF | Bibtex

@InProceedings{Abdelhamed_2020_CVPR_Workshops,
				author = {Abdelhamed, Abdelrahman and Afifi, Mahmoud and Timofte, Radu and Brown, Michael S. and others},
				title = {NTIRE 2020 Challenge on Real Image Denoising: Dataset, Methods and Results},
				booktitle = {The IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW)},
				month = {June},
				year = {2020}
				}

Noise Flow: Noise Modeling with Conditional Normalizing Flows
Abdelhamed A., Brubaker M. A., Brown M. S.
International Conference on Computer Vision (ICCV), 2019 (Oral Presentation)
PDF | Supplemental | Code & Models | Bibtex

@InProceedings{abdelhamed2019noiseflow,
				  title={{Noise Flow: Noise Modeling with Conditional Normalizing Flows}},
				  author={Abdelhamed, Abdelrahman and Brubaker, Marcus A and Brown, Michael S},
				  booktitle={International Conference on Computer Vision (ICCV)},
				  year={2019}
				}

Color Temperature Tuning: Allowing Accurate Post-capture White-balance Editing
Afifi M., Punnappurath A., Abdelhamed A., Karaimer H. C., Abuolaim A., Brown M. S.
Color and Imaging Conference (CIC), 2019 (Oral Presentation, CIC27 Best Paper Award, US Provisional Patent)
PDF | Project | Matlab Code (to be released) | Android Code (to be released) | PPT | Bibtex

@inproceedings{afifi2019color,
					  title={Color Temperature Tuning: Allowing Accurate Post-Capture White-Balance Editing},
					  author={Afifi, Mahmoud and Punnappurath, Abhijith and Abdelhamed, Abdelrahman and Karaimer, Hakki Can and Abuolaim, Abdullah and Brown, Michael S},
					  booktitle={Color and Imaging Conference},
					  volume={2019},
					  number={1},
					  pages={1--6},
					  year={2019},
					  organization={Society for Imaging Science and Technology}
					}

NTIRE 2019 Challenge on Real Image Denoising: Methods and Results
Abdelhamed A., Timofte R., Brown M. S., et al.
IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW), 2019
Preprint | Bibtex

@InProceedings{Abdelhamed_2019_CVPR_Workshops,
				author = {Abdelhamed, Abdelrahman and Timofte, Radu and Brown, Michael S. and others},
				title = {NTIRE 2019 Challenge on Real Image Denoising: Methods and Results},
				booktitle = {The IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW)},
				month = {June},
				year = {2019}
				}

AFIF⁴: Deep gender classification based on AdaBoost-based fusion of isolated facial features and foggy faces
Afifi M., Abdelhamed A.
Journal of Visual Communication and Image Representation (JVCIR), 2019
arXiv | Bibtex | Project and Dataset

@article{AFIFI201977,
					title = "AFIF4: Deep gender classification based on AdaBoost-based fusion of isolated facial features and foggy faces",
					journal = "Journal of Visual Communication and Image Representation",
					volume = "62",
					pages = "77 - 86",
					year = "2019",
					issn = "1047-3203",
					doi = "https://doi.org/10.1016/j.jvcir.2019.05.001",
					url = "http://www.sciencedirect.com/science/article/pii/S1047320319301567",
					author = "Mahmoud Afifi and Abdelrahman Abdelhamed",
					keywords = "Gender classification, Deep convolutional neural networks, Face image dataset"
				}

@inproceedings{MarkWhite_2019_GI,
					author = {Abdelhamed, Abdelrahman and MacKenzie, I. Scott and Brown, Michael S.},
					title = {MarkWhite: An Improved Interactive White-Balance Method for Smartphone Cameras},
					booktitle = {Proceedings of Graphics Interface 2019},
					series = {GI 2019},
					month = {May},
					year = {2019},
					issn = {0713-5424},
					isbn = {978-0-9947868-4-5},
					location = {Kingston, Ontario},
					pages={24:1--24:8},
					numpages = {8},
					doi = {10.20380/GI2019.24},
					publisher = {Canadian Information Processing Society},
					keywords = {Mobile user interfaces, user-interactive white balance, smartphone camera, MarkWhite}
				}

A High-Quality Denoising Dataset for Smartphone Cameras
Abdelhamed A., Lin S., Brown M. S.
IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2018
PDF | Bibtex | Project | Code | YorkU Article

@InProceedings{SIDD_2018_CVPR,
					author = {Abdelhamed, Abdelrahman and Lin, Stephen and Brown, Michael S.},
					title = {A High-Quality Denoising Dataset for Smartphone Cameras},
					booktitle = {IEEE Conference on Computer Vision and Pattern Recognition (CVPR)},
					month = {June},
					year = {2018}
				}

Two Illuminant Estimation and User Correction Preference
Cheng D.*, Kamel A.*, Price B., Cohen S., Brown M. S. *Equal contribution
IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2016
PDF | Bibtex | Project

@InProceedings{Cheng_2016_CVPR,
					author = {Cheng, Dongliang and Abdelhamed, Abdelrahman and Price, Brian and Cohen, Scott and Brown, Michael S.},
					title = {Two Illuminant Estimation and User Correction Preference},
					booktitle = {IEEE Conference on Computer Vision and Pattern Recognition (CVPR)},
					month = {June},
					year = {2016}
				}

Multi-Bin Search: Improved Large-Scale Content-Based Image Retrieval
Kamel A., Mahdy Y. B., Hussain K. F.
International Journal of Multimedia Information Retrieval (IJMIR), 2014
PDF | Bibtex

@article{MultiBin_2014,
					title={Multi-bin search: improved large-scale content-based image retrieval},
					author={Kamel, Abdelrahman and Mahdy, Youssef B and Hussain, Khaled F},
					journal={International Journal of Multimedia Information Retrieval},
					volume={4},
					number={3},
					pages={205--216},
					year={2015},
					publisher={Springer}
				}

Multi-Bin Search: Improved Large-Scale Content-Based Image Retrieval
Kamel A., Mahdy Y. B., Hussain K. F.
International Conference on Image Processing (ICIP), 2013 (Oral Presentation)
PDF | Bibtex

@inproceedings{MultiBin_2013_ICIP,
					title={Multi-bin search: Improved large-scale content-based image retrieval},
					author={Kamel, Abdelrahman and Mahdi, Youssef B and Hussain, Khaled F},
					booktitle={IEEE International Conference on Image Processing (ICIP)},
					pages={2597--2601},
					year={2013},
					organization={IEEE}
				}

Experience

Jul. 2022 - Now
Research Scientist, Google

Mar. 2022 - Jul. 2022
Staff Research Scientist, Samsung AI Center, Toronto

Dec. 2020 - Mar. 2022
Senior Research Scientist, Samsung AI Center, Toronto

May. 2020 - Dec. 2020
Research Intern, Samsung AI Center, Toronto

Sep. 2019 - Dec. 2019
Research Intern, Apple AI/ML

Oct. 2018 - Apr. 2019
Research Intern, Borealis AI

2017 - 2020
Teaching Assistant, Computer Science, York University

2016 - 2017
Teaching Assistant, Computer Science, National University of Singapore

2014 - 2015
Assistant Lecturer, Computer Science, Assiut University, Egypt

2009 - 2014
Teaching Assistant, Computer Science, Assiut University, Egypt

Awards

2021
Samsung Best Paper Award (Bronze), Samsung Research

2019
Best Paper Award, Color and Imaging Conference (CIC27)

2018 - 2019
AdeptMind Scholarship, AdeptMind

2017 - 2019
Ontario Trillium Scholarship (OTS), York University

2017
Lassonde Graduate Entrance Scholarship (LGES), York University

2017
York Graduate Scholarship (YGS), York University

2015 - 2016
NUS Research Scholarship, National University of Singapore

2014
Best Master Thesis Award, Assiut University, Egypt