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[ADD] contour of hand in calibration screen

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Sem van der Hoeven
2021-06-08 11:03:22 +02:00
parent bb68d98bfe
commit afd3e00ddb
3 changed files with 18 additions and 5 deletions
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11
src/computervision/FingerCount.cpp
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@@ -14,6 +14,7 @@
namespace computervision
{
FingerCount::FingerCount(void) {
color_blue = Scalar(255, 0, 0);
color_green = Scalar(0, 255, 0);
@@ -35,9 +36,6 @@ namespace computervision
if (input_image.channels() != 1)
return contours_image;
vector<vector<Point>> contours;
vector<Vec4i> hierarchy;
findContours(input_image, contours, hierarchy, CV_RETR_EXTERNAL, CV_CHAIN_APPROX_NONE);
// we need at least one contour to work
@@ -45,7 +43,7 @@ namespace computervision
return contours_image;
// find the biggest contour (let's suppose it's our hand)
int biggest_contour_index = -1;
biggest_contour_index = -1;
double biggest_area = 0.0;
for (int i = 0; i < contours.size(); i++) {
@@ -156,6 +154,11 @@ namespace computervision
return contours_image;
}
void FingerCount::DrawHandContours(Mat& image)
{
drawContours(image, contours, biggest_contour_index, color_green, 2, 8, hierarchy);
}
int FingerCount::getAmountOfFingers()
{
return amount_of_fingers;