From d5af311a773f5105c9cdd236e570690828cc8d86 Mon Sep 17 00:00:00 2001 From: Vadim Pisarevsky Date: Wed, 1 Jun 2011 13:15:43 +0000 Subject: [PATCH] fix bilateral filter behavior when color_sigma == 0 and/or spatial_sigma == 0 (ticket #469) --- modules/imgproc/src/smooth.cpp | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/modules/imgproc/src/smooth.cpp b/modules/imgproc/src/smooth.cpp index b9f9326..6c34a7c 100644 --- a/modules/imgproc/src/smooth.cpp +++ b/modules/imgproc/src/smooth.cpp @@ -1288,8 +1288,6 @@ bilateralFilter_8u( const Mat& src, Mat& dst, int d, double sigma_color, double sigma_space, int borderType ) { - double gauss_color_coeff = -0.5/(sigma_color*sigma_color); - double gauss_space_coeff = -0.5/(sigma_space*sigma_space); int cn = src.channels(); int i, j, k, maxk, radius; Size size = src.size(); @@ -1302,6 +1300,9 @@ bilateralFilter_8u( const Mat& src, Mat& dst, int d, sigma_color = 1; if( sigma_space <= 0 ) sigma_space = 1; + + double gauss_color_coeff = -0.5/(sigma_color*sigma_color); + double gauss_space_coeff = -0.5/(sigma_space*sigma_space); if( d <= 0 ) radius = cvRound(sigma_space*1.5); @@ -1389,8 +1390,6 @@ bilateralFilter_32f( const Mat& src, Mat& dst, int d, double sigma_color, double sigma_space, int borderType ) { - double gauss_color_coeff = -0.5/(sigma_color*sigma_color); - double gauss_space_coeff = -0.5/(sigma_space*sigma_space); int cn = src.channels(); int i, j, k, maxk, radius; double minValSrc=-1, maxValSrc=1; @@ -1408,6 +1407,9 @@ bilateralFilter_32f( const Mat& src, Mat& dst, int d, sigma_color = 1; if( sigma_space <= 0 ) sigma_space = 1; + + double gauss_color_coeff = -0.5/(sigma_color*sigma_color); + double gauss_space_coeff = -0.5/(sigma_space*sigma_space); if( d <= 0 ) radius = cvRound(sigma_space*1.5); -- 2.7.4