.

examples/Demo.cpp

@@ -413,7 +413,7 @@ int main(int argc, char * argv[])
 					//TODO produce center of convex hull of all polygones
 					//TODO double check if ne contour sharing a center point ? nearby ??
 
-					//we merge all points
+					//merge all points
 					vector<Point> allContourPoints;
 					for (size_t cC = 0; cC < contourSelection.size(); ++cC)
 						for(size_t cP =0; cP < contourSelection[cC].size(); cP++)
@@ -431,7 +431,8 @@ int main(int argc, char * argv[])
 					//    float roiRadius;
 					//minEnclosingCircle(conHull,roiCenter,roiRadius);
 
-					// calc the mass center of the convex hull
+					// calc the mass center of the convex hull. see:
+					// https://docs.opencv.org/4.x/d8/d23/classcv_1_1Moments.html#details
 						Moments muConvexHull;
 						if(!conHull.empty())
 						{

install

-g++ -ggdb  -o  `pkg-config --cflags --libs opencv4`
-
-
-camera_matrix 5678
-distortion_coefficients 76745
-
-where is the data?
-PATHIN="/data/ibtrack/move/input/rec$IDSTRING/"
-
-files:
-randlist.yml
-fileErrorList.yml

opencv

-w
+
 point2f(y,x) # inverted!
 BGR 	#not rgb ...
 Scalar = 4 element vector
@@ -65,19 +65,30 @@ Types:
 	locateROI, adjustROI,
 
 
+# CommandLineParser
+	@ -> positional arg
+	no default value -> has_XX
+	else: get<T>("XX")
+	<none> dflt value to ensure strings arent ""
 
 # MISC
 ########################
 	glob( dir, file )
-	CommandLineParser
+
 	randu() # https://docs.opencv.org/4.x/d2/de8/group__core__array.html#ga1ba1026dca0807b27057ba6a49d258c0
 	cvtColor(img, img, COLOR_BGR2Luv); #convert color
 
 	sounds interesting:
 	selectROI, selectROIs, reduce, qt, dilate, erode,
 	convexhull, findcontours, checkChessboard, calibrateCamera
+	hough ?
+	hu-invariants, centroid
+	moments (weigthed avg of pixel intensities)
+		spatial <> central <> central normalized
+
 	randPattern
 
+
 BS:
 https://docs.opencv.org/4.x/da/d5c/tutorial_canny_detector.html
 https://docs.opencv.org/4.x/d1/dc5/tutorial_background_subtraction.html