From e739af5a48315d7916a6c396f670ed33293fd51a Mon Sep 17 00:00:00 2001
From: kallaballa <amir@viel-zu.org>
Date: Tue, 15 Nov 2022 09:47:38 +0100
Subject: [PATCH] fine tuning

---
 src/optflow/optflow-demo.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/optflow/optflow-demo.cpp b/src/optflow/optflow-demo.cpp
index 9446d18d7..580ed04a9 100644
--- a/src/optflow/optflow-demo.cpp
+++ b/src/optflow/optflow-demo.cpp
@@ -93,7 +93,7 @@ void visualize_sparse_optical_flow(const cv::UMat& prevGrey, const cv::UMat &nex
             using kb::nvg::vg;
             nvgBeginPath(vg);
             nvgStrokeWidth(vg, stroke);
-            nvgStrokeColor(vg, nvgHSLA(0.1, 1, 0.55, 8));
+            nvgStrokeColor(vg, nvgHSLA(0.1, 1, 0.7, 3));
 
             for (size_t i = 0; i < prevPoints.size(); i++) {
                 if (status[i] == 1 && err[i] < (1.0 / density) && upNextPoints[i].y >= 0 && upNextPoints[i].x >= 0 && upNextPoints[i].y < HEIGHT && upNextPoints[i].x < WIDTH && !(upPrevPoints[i].x == upNextPoints[i].x && upPrevPoints[i].y == upNextPoints[i].y)) {
@@ -181,7 +181,7 @@ int main(int argc, char **argv) {
 
         gl::acquire_from_gl(frameBuffer);
         cv::flip(frameBuffer, frameBuffer, 0);
-        cv::subtract(foreground, cv::Scalar::all(8), foreground);
+        cv::subtract(foreground, cv::Scalar::all(9), foreground);
         cv::add(foreground, frameBuffer, foreground);
         cv::cvtColor(background, backgroundGrey, cv::COLOR_BGRA2GRAY);
         cv::cvtColor(backgroundGrey, background, cv::COLOR_GRAY2BGRA);