tonemapper — A tool for exploring and applying various tonemapping operators

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Artificial Intelligence tonemapper
Overview

tonemapper — A tool for exploring and applying various tonemapping operators.

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Description

Tonemapper is a an application to compare and apply various tone mapping operators...

... either via an interactive GUI:

./tonemapper

... or via the command line interface:

"> 
# Example: apply the "Reinhard" operator with gamma=2.2 to a list of input images
./tonemapper --no-gui --operator reinhard --gamma 2.2

Supported file formats:

  • Input: .exr & .hdr
  • Output: .jpg & .png

Available operators:

  • Gamma: Standard gamma correction only
  • sRGB: Conversion to sRGB color space

  • Clampling
  • Maximum division
  • Mean value
  • Exponential
  • Exponentiation
  • Logarithmic

  • Hill ACES: ACES curve fit by Stephen Hill
  • Narkowicz ACES: ACES curve fit by Krzysztof Narkowicz
  • Hill ACES: ACES curve fit by Romain Guy

Building

Clone the repository recursively all dependencies and use CMake to generate project files for your favourite IDE or build system.

# Unix example using make:
git clone https://github.com/tizian/tonemapper.git --recursive
cd tonemapper
mkdir build
cd build
cmake ..
make

Optionally, the compilation of the GUI can be disabled via a CMake option:

cmake .. -DTONEMAPPER_BUILD_GUI=OFF

Third party code

The following external libraries are used:

Older version

This project is based on an older, now outdated version that is archived under the version_1 branch.

License

Tonemapper is provided under the MIT License.

See the LICENSE.txt file for the conditions of the license.

Comments
  • How to move the image

    How to move the image

    I tried this app a while back and find it very nice. WHen i open an image i just see a small section and i cant move it around. Im using the last version 1.1 on osx 10.11.6

    screen shot 2018-11-17 at 22 16 06

    However i tried it again today and noticed i could not open an HDR image saved from my render engine. It does allow me to open the exr files.

    screen shot 2018-11-17 at 22 16 00
    opened by schroef 10
  • Reasoning for -stdlib=libc++ flag?

    Reasoning for -stdlib=libc++ flag?

    opened by qqii 3
  • command mode

    command mode

    Well, this is a very useful tool! But as a lazy user, I will be glad to use a command line to batch process many exr files. For example "tonemapper.exe --input_path --output_name --operator " Just a suggestion!~

    opened by zcoo 3
  • Gran Turismo, windows port, dependencies

    Gran Turismo, windows port, dependencies

    Hi! Thanks for this project.

    I made some changes to simplify the build (included some dependencies like Eigen), and make it portable to windows. Also I added a new Gran Turismo operator.

    opened by meshula 3
  • Incorrect arguments used in ReinhardDevlinOperator::setParameters

    Incorrect arguments used in ReinhardDevlinOperator::setParameters

    I'm not sure about this one since I'm not that familiar with the algorithm, but this looks wrong to me: parameters["Iav_r"] = Parameter(image->getAverageIntensity().r(), "Iav_r"); parameters["Iav_g"] = Parameter(image->getAverageIntensity().r(), "Iav_g"); parameters["Iav_b"] = Parameter(image->getAverageIntensity().r(), "Iav_b");

    It uses the red-channel of the average intensity for all three parameters, I assume it should be r(), g() and b() respectively?

    opened by Silverlan 1
  • Changes to support more operator types

    Changes to support more operator types

    It would be interesting to refactor the existing code to be more flexible:

    • Add mappings that differs for R,G,B channels, to support e.g. the ACES fit by Stephen Hill: https://github.com/TheRealMJP/BakingLab/blob/master/BakingLab/ACES.hlsl

    • Add option to load data-driven curves from text files as described in https://64.github.io/tonemapping/, e.g. to load in actual camera response functions

    opened by tizian 1
Owner
Tizian Zeltner
Tizian Zeltner
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