potok/opencv
1
0
Fork 0
mirror of https://github.com/opencv/opencv.git synced 2026-07-28 23:03:03 +04:00
Code Packages Releases Wiki Activity

Fix an arg for calcHist() in demos

Browse Source 
`float* histRange = { range };` doesn't make much sense. `histRange` is
an array of array(s), so it should have a type of ptr to ptr. Strangely
some domos are correct as well as the example for the function
https://docs.opencv.org/master/d6/dc7/group__imgproc__hist.html#ga4b2b5fd75503ff9e6844cc4dcdaed35d
This commit is contained in:
Vladimir
2021-06-30 10:15:58 +03:00
parent 828304d587
commit 90be83ae99
3 changed files with 8 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files
samples/cpp/tutorial_code/Histograms_Matching/calcHist_Demo.cpp
+4 -4
View File
@@ -37,7 +37,7 @@ int main(int argc, char** argv)
//! [Set the ranges ( for B,G,R) )]
float range[] = { 0, 256 }; //the upper boundary is exclusive
const float* histRange = { range };
const float* histRange[] = { range };
//! [Set the ranges ( for B,G,R) )]
//! [Set histogram param]
@@ -46,9 +46,9 @@ int main(int argc, char** argv)
//! [Compute the histograms]
Mat b_hist, g_hist, r_hist;
calcHist( &bgr_planes[0], 1, 0, Mat(), b_hist, 1, &histSize, &histRange, uniform, accumulate );
calcHist( &bgr_planes[1], 1, 0, Mat(), g_hist, 1, &histSize, &histRange, uniform, accumulate );
calcHist( &bgr_planes[2], 1, 0, Mat(), r_hist, 1, &histSize, &histRange, uniform, accumulate );
calcHist( &bgr_planes[0], 1, 0, Mat(), b_hist, 1, &histSize, histRange, uniform, accumulate );
calcHist( &bgr_planes[1], 1, 0, Mat(), g_hist, 1, &histSize, histRange, uniform, accumulate );
calcHist( &bgr_planes[2], 1, 0, Mat(), r_hist, 1, &histSize, histRange, uniform, accumulate );
//! [Compute the histograms]
//! [Draw the histograms for B, G and R]