| 1 | // |
|---|---|
| 2 | // Copyright 2020 Debabrata Mandal <mandaldebabrata123@gmail.com> |
| 3 | // |
| 4 | // Distributed under the Boost Software License, Version 1.0 |
| 5 | // See accompanying file LICENSE_1_0.txt or copy at |
| 6 | // http://www.boost.org/LICENSE_1_0.txt |
| 7 | // |
| 8 | |
| 9 | #include <boost/gil.hpp> |
| 10 | #include <boost/gil/extension/io/png.hpp> |
| 11 | #include <boost/gil/image_processing/histogram_equalization.hpp> |
| 12 | |
| 13 | using namespace boost::gil; |
| 14 | |
| 15 | // Demonstrates Histogram Equalization |
| 16 | |
| 17 | // See also: |
| 18 | // histogram.cpp - General use of histograms in GIL |
| 19 | // adaptive_histogram_equalization.cpp - Adaptive Histogram Equalization |
| 20 | // histogram_matching.cpp - Reference-based histogram computation |
| 21 | |
| 22 | int main() |
| 23 | { |
| 24 | gray8_image_t img; |
| 25 | |
| 26 | read_image(file_name: "test_adaptive.png", img, tag: png_tag{}); |
| 27 | gray8_image_t img_out(img.dimensions()); |
| 28 | |
| 29 | // Consider changing image to independent color space, e.g. cmyk |
| 30 | boost::gil::histogram_equalization(src_view: view(img),dst_view: view(img&: img_out)); |
| 31 | |
| 32 | write_view(file_name: "histogram_gray_equalized.png", view: view(img&: img_out), tag: png_tag{}); |
| 33 | |
| 34 | return 0; |
| 35 | } |
| 36 |