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Abdelrahman Abdelhamed

6 accepted papers

2023

Graphics2RAW: Mapping Computer Graphics Images to Sensor RAW Images

ICCV 2023poster

Computer graphics (CG) rendering platforms produce imagery with ever-increasing photo realism. The narrowing domain gap between real and synthetic imagery makes it possible to use CG images as training data for deep learning models targeting high-level computer vision tasks, such as autonomous drivi…

Cited by 3PDFScholar
2022

Day-to-Night Image Synthesis for Training Nighttime Neural ISPs

CVPR 2022oral

Many flagship smartphone cameras now use a dedicated neural image signal processor (ISP) to render noisy raw sensor images to the final processed output. Training nightmode ISP networks relies on large-scale datasets of image pairs with: (1) a noisy raw image captured with a short exposure and a hig…

Cited by 35PDFcodeScholar
2021

Leveraging the Availability of Two Cameras for Illuminant Estimation

CVPR 2021poster

Most modern smartphones are now equipped with two rear-facing cameras -- a main camera for standard imaging and an additional camera to provide wide-angle or telephoto zoom capabilities. In this paper, we leverage the availability of these two cameras for the task of illumination estimation using a…

Cited by 18PDFScholar
2019

Noise Flow: Noise Modeling With Conditional Normalizing Flows

ICCV 2019oral

Modeling and synthesizing image noise is an important aspect in many computer vision applications. The long-standing additive white Gaussian and heteroscedastic (signal-dependent) noise models widely used in the literature provide only a coarse approximation of real sensor noise. This paper introduc…

Cited by 203PDFcodeScholar
2016

Two Illuminant Estimation and User Correction Preference

CVPR 2016poster

This paper examines the problem of white-balance correction when a scene contains two illuminations. This is a two step process: 1) estimate the two illuminants; and 2) correct the image. Existing methods attempt to estimate a spatially varying illumination map, however, results are error prone a…

Cited by 43PDFScholar