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Add BIMEF: A Bio-Inspired Multi-Exposure Fusion Framework for Low-light Image Enhancement.

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catree
2020-03-07 01:51:19 +01:00
parent 698f805ce7
commit a59932b52c
8 changed files with 803 additions and 27 deletions
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27
modules/intensity_transform/include/opencv2/intensity_transform.hpp
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@@ -17,6 +17,7 @@
* - Log Transformations
* - Power-Law (Gamma) Transformations
* - Contrast Stretching
* - BIMEF, A Bio-Inspired Multi-Exposure Fusion Framework for Low-light Image Enhancement @cite ying2017bio @cite ying2017new
*
* Reference from following book and websites:
* - Digital Image Processing 4th Edition Chapter 3 [Rafael C. Gonzalez, Richard E. Woods] @cite Gonzalez2018
@@ -71,8 +72,32 @@ CV_EXPORTS_W void autoscaling(const Mat input, Mat& output);
*/
CV_EXPORTS_W void contrastStretching(const Mat input, Mat& output, const int r1, const int s1, const int r2, const int s2);
/**
* @brief Given an input color image, enhance low-light images using the BIMEF method (@cite ying2017bio @cite ying2017new).
*
* @param input input color image.
* @param output resulting image.
* @param mu enhancement ratio.
* @param a a-parameter in the Camera Response Function (CRF).
* @param b b-parameter in the Camera Response Function (CRF).
*/
CV_EXPORTS_W void BIMEF(InputArray input, OutputArray output, float mu=0.5f, float a=-0.3293f, float b=1.1258f);
/**
* @brief Given an input color image, enhance low-light images using the BIMEF method (@cite ying2017bio @cite ying2017new).
* This is an overload function with the exposure ratio given as parameter.
*
* @param input input color image.
* @param output resulting image.
* @param k exposure ratio.
* @param mu enhancement ratio.
* @param a a-parameter in the Camera Response Function (CRF).
* @param b b-parameter in the Camera Response Function (CRF).
*/
CV_EXPORTS_AS(BIMEF2) void BIMEF(InputArray input, OutputArray output, float k, float mu, float a, float b);
//! @}
}} // cv::intensity_transform::
#endif
#endif