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mauricio delbracio
mdelbra [at] gmail.com
⇝about me⇜
I'm a research scientist at Google Research, where I work on on computational imaging and machine learning.
My current work is at the intersection & interaction of machine learning, signal and image processing and computer vision.
I'm interested in finding new ways of applying machine learning to signal processing and to general inverse problems.
At Google Research, I have contributed to the development of several core technologies including Sharpen & Denoise and the Unblur feature launched with Pixel 7/pro [review].
Previously, I was an Assistant Professor in Electrical Engineering at Universidad de la República, Montevideo, Uruguay. Before that, I was a postdoctoral researcher in Guillermo Sapiro’s group, at the ECE Department in Duke University. And before that, I was a Ph.D. student at CMLA, ENS-Cachan, France under the supervision of Jean-Michel Morel, Pablo Musé and Andrés Almansa.
In this page you will find some pointers to my work. Please feel free to contact me if you want more information, have any comments, suggestions.
An old talk that I gave summarizing my work for the 2016 SIAM Imaging Early Career Prize can be found here.
Full list of publications in Google Scholar.
At Google Research, I have contributed to the development of several core technologies including Sharpen & Denoise and the Unblur feature launched with Pixel 7/pro [review].
Previously, I was an Assistant Professor in Electrical Engineering at Universidad de la República, Montevideo, Uruguay. Before that, I was a postdoctoral researcher in Guillermo Sapiro’s group, at the ECE Department in Duke University. And before that, I was a Ph.D. student at CMLA, ENS-Cachan, France under the supervision of Jean-Michel Morel, Pablo Musé and Andrés Almansa.
In this page you will find some pointers to my work. Please feel free to contact me if you want more information, have any comments, suggestions.
An old talk that I gave summarizing my work for the 2016 SIAM Imaging Early Career Prize can be found here.
Full list of publications in Google Scholar.
mdelbra [at] gmail.com
⇝research⇜
Papers
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A Restoration Network as an Implicit Prior
Y, Hu, M. Delbracio, P. Milanfar, U.S. Kamilov
Preprint, 2023
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Conditional Diffusion Distillation
K. Mei, M. Delbracio, H. Talebi, Z. Tu, V.M. Patel, P. Milanfar
Preprint, 2023
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Prompt-tuning latent diffusion models for inverse problems
H. Chung, J.C. Ye, P. Milanfar, M. Delbracio
Preprint, 2023
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Inversion by Direct Iteration: An Alternative to Denoising Diffusion for Image Restoration
M. Delbracio, P. Milanfar
TMLR, 2023 (Featured Certification)
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Multiscale Structure Guided Diffusion for Image Deblurring
M. Ren, M. Delbracio, H. Talebi, G. Gerig, P. Milanfar
ICCV, 2023
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Soft Diffusion: Score matching for general corruptions
G. Daras, M. Delbracio, H. Talebi, A. G. Dimakis, P. Milanfar
TMLR, 2023
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Deblurring via stochastic refinement
J, Whang, M. Delbracio, H. Talebi, C. Saharia, A. G. Dimakis, P. Milanfar
CPVR, 2022
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Interpretable Unsupervised Diversity Denoising and Artefact Removal
M. Prakash, M. Delbracio, P. Milanfar, F. Jug
ICLR, 2022
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Mobile Computational Photography: A Tour
M. Delbracio, D. Kelly, M. S. Brown, P. Milanfar
Annual Review of Vision Science, 2021
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Projected Distribution Loss for Image Enhancement
M. Delbracio, H. Talebi, P. Milanfar
ICCP, 2021
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Learning to Reduce Defocus Blur by Realistically Modeling Dual-Pixel Data
A. Abuolaim, M. Delbracio, D. Kelly, M.S. Brown, P. Milanfar
ICCV, 2021
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Polyblur: Removing mild blur by polynomial reblurring
M. Delbracio, I. Garcia-Dorado, S. Choi, D. Kelly, P. Milanfar
IEEE TCI, 2021
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Single Image Non-uniform Blur Kernel Estimation via Adaptive Basis Decomposition
G. Carbajal, P. Vitoria, M. Delbracio, P. Musé, J. Lezama
Preprint, 2021
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Differential 3D Facial Recognition: Adding 3D to Your State-of-the-Art 2D Method
J.M. Di Martino, F. Suzacq, M. Delbracio, Q. Qiu, G. Sapiro
IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 2020
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Solving Inverse Problems by Joint Posterior Maximization with a VAE Prior
M. Gonzalez, A. Almansa, M. Delbracio, P. Musé, P. Tan
Preprint, 2019
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Efficient blind deblurring under high noise levels
J. Anger, M. Delbracio, G. Facciolo
International Symposium on Image and Signal Processing and Analysis (ISPA), 2019
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Image Anomalies: a Review and Synthesis of Detection Methods
T. Ehret, A. Davy, J.-M. Morel, M. Delbracio
Journal of Mathematical Imaging and Vision (JMIV), 2019 (to appear)
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Image Anomalies: a Review and Synthesis of Detection Methods
T. Ehret, A. Davy, J.-M. Morel, M. Delbracio
Journal of Mathematical Imaging and Vision (JMIV), 2019 (to appear)
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Modeling Realistic Degradations in Non-blind Deconvolution
J. Anger, M. Delbracio, G. Facciolo
IEEE International Conference on Image Processing (ICIP), 2018
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Reducing Anomaly Detection in Images to Detection in Noise
A. Davy, T. Ehret, J.-M., M. Delbracio
IEEE International Conference on Image Processing (ICIP), 2018
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A Practical Guide to Multi-image Alignment
C. Aguerrebere, M. Delbracio, A. Bartesaghi, G. Sapiro
IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2018
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Deep Video Deblurring
IEEE International Conference on Computer Vision and Pattern Recognition (CVPR), 2017
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Fundamental Limits in Multi-image Alignment
C. Aguerrebere, M. Delbracio, A. Bartesaghi, G. Sapiro
IEEE Transactions on Signal Processing (TSP), 2016
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An analysis of the factors affecting keypoint stability in scale-space
I. Rey-Otero, J.-M. Morel, M. Delbracio
Journal of Mathematical Imaging and Vision (JMIV), 2016
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Hand-held Video Deblurring via Efficient Fourier Aggregation
M. Delbracio and G. Sapiro
IEEE Transactions on Computational Imaging (TCI), 2015
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Removing Camera Shake via Weighted Fourier Burst Accumulation
M. Delbracio and G. Sapiro
IEEE Transactions on Image Processing (TIP), 2015
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Is Repeatability an Unbiased Criterion for Ranking Feature Detectors?
I. Rey-Otero, M. Delbracio
SIAM Journal on Imaging Sciences (SIIMS), 2015
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Burst Deblurring: Removing Camera Shake Through Fourier Burst Accumulation
M. Delbracio and G. Sapiro
IEEE International Conference on Computer Vision and Pattern Recognition (CVPR), 2015
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An analysis of scale-space sampling in SIFT
I. Rey-Otero, J.-M. Morel and M. Delbracio
IEEE International Conference on Image Processing (ICIP), 2014
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Boosting Monte Carlo Rendering by Ray Histogram Fusion
M. Delbracio, P. Musé, A. Buades, J. Chauvier, N. Phelps and J.-M. Morel
Transactions on Graphics (TOG), January 2014.
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Subpixel Point Spread Function Estimation from Two Photographs at Different Distances
M. Delbracio, A. Almansa, J.-M. Morel and P. Muse
SIAM Journal on Imaging Sciences (SIIMS), November 2012.
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The Non-parametric Sub-pixel Local Point Spread Function Estimation Is a Well Posed Problem
M. Delbracio, P. Muse, A. Almansa and J.-M. Morel
International Journal of Computer Vision (IJCV'2012)
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Aguara: An Improved Face Recognition Algorithm through Gabor Filter Adaptation
C. Aguerrebere, G. Capdehourat, M. Delbracio, M. Mateur, A. Fernandez and F. Lecumberry.
IEEE Workshop on Automatic Identification Advanced Technologies (AutoID 2007)
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How to Reduce Anomaly Detection in Images to Anomaly Detection in Noise
T. Ehret, A. Davy, M. Delbracio, J.-M. Morel
IPOL, 2019.
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Blind Image Deblurring using the l0 Gradient Prior
J. Anger, G. Facciolo, M. Delbracio
IPOL, March 2019.
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Estimating an Image's Blur Kernel Using Natural Image Statistics, and Deblurring it: An Analysis of the Goldstein-Fattal Method
J. Anger, G. Facciolo, M. Delbracio
IPOL, September 2018.
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Computing an Exact Gaussian Scale-Space
I. Rey Otero, M. Delbracio
IPOL, February 2016.
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Accelerating Monte Carlo Renderers by Ray Histogram Fusion
M. Delbracio, P. Musé, A. Buades and J.-M. Morel
IPOL, February 2015.
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Anatomy of the SIFT Method
I. Rey-Otero and M. Delbracio
IPOL, December 2014.
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Recovering the Subpixel PSF from Two Photographs at Different Distances
M. Delbracio, P. Musé, A. Almansa
IPOL, October 2013.
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Non-parametric Sub-pixel Local Point Spread Function Estimation
M. Delbracio, P. Musé, A. Almansa
IPOL, March 2012.
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Systems and methods for burst image deblurring
G. Sapiro, M. Delbracio
US 20170064204 1 (Application, Aug 2016)
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A method of accelerating Monte Carlo renders
J. Chauvier, M. Delbracio and N. Phelps
US 20140098098 A1 (Apr 2014)
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Two Problems of Digital Image Formation: Recovering the Camera Point Spread Function and Boosting Stochastic Renderers by Auto-similarity Filtering
M. Delbracio
ENS-Cachan - UdelaR Dissertation, March 25, 2013
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⇝teaching⇜
2018
2017
- Electrical Engineering Department IIE at FING.uy
- Deep Learning for Computer Vision [web]
- Pattern Recognition
- Digital Filter Lab
2016
- Electrical Engineering Department IIE at FING.uy
- Introduction to Deep Learning (lab) [web]
- Pattern Recognition
- Digital Filter Lab
Past courses:
- Mathematics Department at ENS-Cachan
- Hilbert and Fourier analysis (lectures/lab) : 2011, 2012 [web]
- Numerical methods and ordinary differential equations (excercises/matlab) : 2010, 2011
- Electrical Engineering Department IIE at FING.uy
- Communication Systems: 2006, 2007, 2008
- Digital Filter Laboratory: 2005, 2006, 2007
⇝software⇜
⇝other stuff⇜
last modified: 6 Dec 2023; css by m.r.
demos (Image Processing On Line)