The HDR Toolbox

The HDR Toolbox is a toolbox for processing High Dynamic Range (HDR) content.

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Updated 17 Apr 2023

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Editor's Note: This file was selected as MATLAB Central Pick of the Week

The HDR Toolbox provides functions for processing HDR images and videos for different tasks such as tone mapping, inverse tone mapping, reverse tone mapping, expansion, HDR compression, image-based lighting, handling HDR videos, color transforms, etc.
The HDR Toolbox is part of the book "Advanced High Dynamic Range Imaging", where you can find extra documentation about the code and more details on HDR imaging. Please visit the website of the book at the following URL:
http://www.advancedhdrbook.com/
Note that the GitHub repository of the HDR Toolbox can be found at the following URL:
https://github.com/banterle/HDR_Toolbox

HOW TO INSTALL:
1) Unzip the file HDRToolbox.zip in a FOLDER on your PC/MAC
2) Run Matlab
3) Set the FOLDER as the current directory
4) Write the command:
installHDRToolbox
in the Command Window, and wait for the installation process to end.

NOTE ON TONE MAPPING:
The majority of TMOs return tone-mapped images with linear values. This means that gamma encoding needs to be applied to the output of these TMOs before visualization or before writing tone mapped images on the disk; otherwise, these images may appear dark. A few operators (e.g. Mertens et al.'s operator) return gamma-encoded values, so there is no need to apply gamma to them; in this case, a message (e.g. a Warning) is displayed after tone mapping alerting that there is no need of gamma encoding.

NOTE ON EXPANSION OPERATORS (INVERSE/REVERSE TONE MAPPING):
The majority of EOs require having as input LDR images in the range [0,1] that are LINEARIZED. This means that the camera response function (CRF) or the gamma encoding has been removed. This operation is MANDATORY in order to generate fair comparisons; please do use the gammaRemoval parameter to remove gamma if you do not have the CRF of the input image. RAW files do not require this step because they are already linear.

REFERENCE:
Please reference the book in your work or papers if you use this toolbox:
@book{Banterle:2017,
author = {Banterle, Francesco and Artusi, Alessandro and Debattista, Kurt and Chalmers, Alan},
title = {Advanced High Dynamic Range Imaging (2nd Edition)},
year = {2017},
month={July},
isbn = {9781498706940},
publisher = {AK Peters (CRC Press)},
address = {Natick, MA, USA},
}

Cite As

Francesco Banterle (2023). The HDR Toolbox (https://github.com/banterle/HDR_Toolbox), GitHub. Retrieved .

MATLAB Release Compatibility
Created with R2012b
Compatible with any release
Platform Compatibility
Windows macOS Linux

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demos

source_code/Alignment

source_code/Alignment/util

source_code/Analysis

source_code/BatchFunctions

source_code/ColorCorrection

source_code/ColorSpace

source_code/Compression

source_code/Deghosting

source_code/Deghosting/util

source_code/EO

source_code/EO/util

source_code/EnvironmentMaps

source_code/Formats

source_code/Generation

source_code/Generation/util

source_code/Generation_video

source_code/Generation_video/util

source_code/IBL

source_code/IBL/util

source_code/IO

source_code/IO_stack

source_code/IO_video

source_code/LaplacianPyramids

source_code/Metrics

source_code/Metrics/util

source_code/NativeVisualization

source_code/Tmo

source_code/Tmo/util

source_code/Tmo_video

source_code/Tools

source_code/util

Versions that use the GitHub default branch cannot be downloaded

Version Published Release Notes
2.0.0.0

Updated the thumbnail
Added the bibtex of the book.

minor changes to the text.

To view or report issues in this GitHub add-on, visit the GitHub Repository.
To view or report issues in this GitHub add-on, visit the GitHub Repository.