Note: The user "Titaniumtown" is now the primary maintainer of this repository; if you need to contact the owner contact "Titaniumtown".

HDR+ Implementation

Original Document on the subject (by Timothy Brooks): http://timothybrooks.com/tech/hdr-plus

Compilation instructions:

1. Install libraw, libpng, and libjpeg.¹
2. Download and compile llvm 3.9
3. Download the "2017-06-03" source of Halide from https://github.com/halide/Halide_old_history/releases
4. Compile Halide according to the README.md file included with the source file zip of halide.
5. Go the folder you have the hdr-plus code in.
6. Set HALIDE_ROOT_DIR in CMakeLists.txt to the Halide directory path.
7. From the project root directory, run the following commands:

mkdir build
cd build
cmake ..
make

HDR+ algorithm examples:

Timothy Brooks provided images (at the link below) that have burst shot inputs and the HDR+'s output.

https://drive.google.com/drive/folders/1XR61IhzuYQU5eLQfBJ0KEMK83Aocta6g?usp=sharing

Compiled Binary Usage:

Usage: ./hdrplus [-c comp -g gain (optional)] dir_path out_img raw_img1 raw_img2 [...]

The -c and -g flags change the amount of dynamic range compression and gain respectively. Although they are optional because they both have default values.

Footnotes:

¹Also to install libraw, libpng, and libjpeg on macOS run brew install libraw libpng libjpeg