no code implementations • 18 Mar 2025 • Kangfu Mei, Hossein Talebi, Mojtaba Ardakani, Vishal M. Patel, Peyman Milanfar, Mauricio Delbracio
Single-image super-resolution (SISR) remains challenging due to the inherent difficulty of recovering fine-grained details and preserving perceptual quality from low-resolution inputs.
no code implementations • 16 Oct 2024 • Dana Weitzner, Mauricio Delbracio, Peyman Milanfar, Raja Giryes
These models learn the implicit distribution given by the training dataset, and sample new data by transforming random noise through the reverse process, which can be thought of as gradual denoising.
no code implementations • 2 Oct 2024 • Yuyang Hu, Albert Peng, Weijie Gan, Peyman Milanfar, Mauricio Delbracio, Ulugbek S. Kamilov
We introduce Stochastic deep Restoration Priors (ShaRP), a novel method that leverages an ensemble of such restoration models to regularize inverse problems.
no code implementations • 30 Sep 2024 • Giannis Daras, Hyungjin Chung, Chieh-Hsin Lai, Yuki Mitsufuji, Jong Chul Ye, Peyman Milanfar, Alexandros G. Dimakis, Mauricio Delbracio
Diffusion models have become increasingly popular for generative modeling due to their ability to generate high-quality samples.
no code implementations • 10 Sep 2024 • Peyman Milanfar, Mauricio Delbracio
Denoising, the process of reducing random fluctuations in a signal to emphasize essential patterns, has been a fundamental problem of interest since the dawn of modern scientific inquiry.
no code implementations • 1 Apr 2024 • Kangfu Mei, Zhengzhong Tu, Mauricio Delbracio, Hossein Talebi, Vishal M. Patel, Peyman Milanfar
We study the scaling properties of latent diffusion models (LDMs) with an emphasis on their sampling efficiency.
no code implementations • 18 Dec 2023 • Chenyang Qi, Zhengzhong Tu, Keren Ye, Mauricio Delbracio, Peyman Milanfar, Qifeng Chen, Hossein Talebi
In this paper, we develop SPIRE, a Semantic and restoration Prompt-driven Image Restoration framework that leverages natural language as a user-friendly interface to control the image restoration process.
1 code implementation • CVPR 2024 • Kangfu Mei, Mauricio Delbracio, Hossein Talebi, Zhengzhong Tu, Vishal M. Patel, Peyman Milanfar
Our conditional-task learning and distillation approach outperforms previous distillation methods, achieving a new state-of-the-art in producing high-quality images with very few steps (e. g., 1-4) across multiple tasks, including super-resolution, text-guided image editing, and depth-to-image generation.
no code implementations • 2 Oct 2023 • Yuyang Hu, Mauricio Delbracio, Peyman Milanfar, Ulugbek S. Kamilov
Image denoisers have been shown to be powerful priors for solving inverse problems in imaging.
no code implementations • 2 Oct 2023 • Hyungjin Chung, Jong Chul Ye, Peyman Milanfar, Mauricio Delbracio
We propose a new method for solving imaging inverse problems using text-to-image latent diffusion models as general priors.
2 code implementations • 20 Mar 2023 • Mauricio Delbracio, Peyman Milanfar
In conditional denoising diffusion image restoration the denoising network generates the restored image by repeatedly denoising an initial image of pure noise, conditioned on the degraded input.
no code implementations • ICCV 2023 • Mengwei Ren, Mauricio Delbracio, Hossein Talebi, Guido Gerig, Peyman Milanfar
We evaluate a single-dataset trained model on diverse datasets and demonstrate more robust deblurring results with fewer artifacts on unseen data.
no code implementations • 12 Sep 2022 • Giannis Daras, Mauricio Delbracio, Hossein Talebi, Alexandros G. Dimakis, Peyman Milanfar
To reverse these general diffusions, we propose a new objective called Soft Score Matching that provably learns the score function for any linear corruption process and yields state of the art results for CelebA.
Ranked #8 on
Image Generation
on CelebA 64x64
no code implementations • CVPR 2022 • Jay Whang, Mauricio Delbracio, Hossein Talebi, Chitwan Saharia, Alexandros G. Dimakis, Peyman Milanfar
Unlike existing techniques, we train a stochastic sampler that refines the output of a deterministic predictor and is capable of producing a diverse set of plausible reconstructions for a given input.
1 code implementation • ICLR 2022 • Mangal Prakash, Mauricio Delbracio, Peyman Milanfar, Florian Jug
This work presents an interpretable approach for unsupervised and diverse image restoration.
no code implementations • 17 Feb 2021 • Mauricio Delbracio, Damien Kelly, Michael S. Brown, Peyman Milanfar
The first mobile camera phone was sold only 20 years ago, when taking pictures with one's phone was an oddity, and sharing pictures online was unheard of.
1 code implementation • 1 Feb 2021 • Guillermo Carbajal, Patricia Vitoria, Mauricio Delbracio, Pablo Musé, José Lezama
In recent years, the removal of motion blur in photographs has seen impressive progress in the hands of deep learning-based methods, trained to map directly from blurry to sharp images.
4 code implementations • 16 Dec 2020 • Mauricio Delbracio, Hossein Talebi, Peyman Milanfar
More explicitly, we show that in imaging applications such as denoising, super-resolution, demosaicing, deblurring and JPEG artifact removal, the proposed learning loss outperforms the current state-of-the-art on reference-based perceptual losses.
no code implementations • 16 Dec 2020 • Mauricio Delbracio, Ignacio Garcia-Dorado, Sungjoon Choi, Damien Kelly, Peyman Milanfar
The proposed method estimates and removes mild blur from a 12MP image on a modern mobile phone in a fraction of a second.
1 code implementation • ICCV 2021 • Abdullah Abuolaim, Mauricio Delbracio, Damien Kelly, Michael S. Brown, Peyman Milanfar
Leveraging these realistic synthetic DP images, we introduce a recurrent convolutional network (RCN) architecture that improves deblurring results and is suitable for use with single-frame and multi-frame data (e. g., video) captured by DP sensors.
Ranked #13 on
Image Defocus Deblurring
on DPD (Dual-view)
(using extra training data)
no code implementations • 3 Apr 2020 • J. Matias Di Martino, Fernando Suzacq, Mauricio Delbracio, Qiang Qiu, Guillermo Sapiro
Active illumination is a prominent complement to enhance 2D face recognition and make it more robust, e. g., to spoofing attacks and low-light conditions.
1 code implementation • 14 Nov 2019 • Mario González, Andrés Almansa, Mauricio Delbracio, Pablo Musé, Pauline Tan
In this paper we address the problem of solving ill-posed inverse problems in imaging where the prior is a neural generative model.
no code implementations • ICLR 2019 • Igor M. Quintanilha, Roberto de M. E. Filho, José Lezama, Mauricio Delbracio, Leonardo O. Nunes
The ability to detect when an input sample was not drawn from the training distribution is an important desirable property of deep neural networks.
no code implementations • 25 Apr 2019 • Axel Davy, Thibaud Ehret, Jean-Michel Morel, Mauricio Delbracio
Anomaly detectors address the difficult problem of detecting automatically exceptions in an arbitrary background image.
1 code implementation • 19 Apr 2019 • Jérémy Anger, Mauricio Delbracio, Gabriele Facciolo
In this work, we first show that current state-of-the-art kernel estimation methods based on the $\ell_0$ gradient prior can be adapted to handle high noise levels while keeping their efficiency.
no code implementations • 7 Aug 2018 • Thibaud Ehret, Axel Davy, Jean-Michel Morel, Mauricio Delbracio
We review the broad variety of methods that have been proposed for anomaly detection in images.
no code implementations • 4 Jun 2018 • Jérémy Anger, Mauricio Delbracio, Gabriele Facciolo
We show that accurately modeling a more realistic image acquisition pipeline leads to significant improvements, both in terms of image quality and PSNR.
1 code implementation • CVPR 2017 • Shuochen Su, Mauricio Delbracio, Jue Wang, Guillermo Sapiro, Wolfgang Heidrich, Oliver Wang
We show that the features learned from this dataset extend to deblurring motion blur that arises due to camera shake in a wide range of videos, and compare the quality of results to a number of other baselines.
Ranked #5 on
Deblurring
on Beam-Splitter Deblurring (BSD)
1 code implementation • 25 Nov 2016 • Shuochen Su, Mauricio Delbracio, Jue Wang, Guillermo Sapiro, Wolfgang Heidrich, Oliver Wang
We show that the features learned from this dataset extend to deblurring motion blur that arises due to camera shake in a wide range of videos, and compare the quality of results to a number of other baselines.
no code implementations • 4 Feb 2016 • Cecilia Aguerrebere, Mauricio Delbracio, Alberto Bartesaghi, Guillermo Sapiro
In this work, we tackle the problem of finding the performance limits in image registration when multiple shifted and noisy observations are available.
no code implementations • 26 Nov 2015 • Ives Rey-Otero, Jean-Michel Morel, Mauricio Delbracio
In practice, however, scale invariance may be weakened by various sources of error inherent to the SIFT implementation affecting the stability and accuracy of keypoint detection.
no code implementations • 17 Sep 2015 • Mauricio Delbracio, Guillermo Sapiro
In this work, we present an algorithm that removes blur due to camera shake by combining information in the Fourier domain from nearby frames in a video.
no code implementations • CVPR 2015 • Mauricio Delbracio, Guillermo Sapiro
Numerous recent approaches attempt to remove image blur due to camera shake, either with one or multiple input images, by explicitly solving an inverse and inherently ill-posed deconvolution problem.
no code implementations • 11 May 2015 • Mauricio Delbracio, Guillermo Sapiro
The proposed algorithm is strikingly simple: it performs a weighted average in the Fourier domain, with weights depending on the Fourier spectrum magnitude.
no code implementations • 8 Sep 2014 • Ives Rey-Otero, Mauricio Delbracio, Jean-Michel Morel
We apply this variant to revisit the popular benchmark by Mikolajczyk et al., on classic and new feature detectors.