[ADD] auto calibration in game scene

src/computervision/HandDetectRegion.cpp

@@ -1,6 +1,6 @@
 
 #include "HandDetectRegion.h"
-
+#define TIME_DURATION 1.0f
 namespace computervision
 {
 
@@ -20,6 +20,15 @@ namespace computervision
 		Mat input_frame = GenerateHandMaskSquare(camera_frame);
 		frame_out = input_frame.clone();
 
+		if (!background_calibrated || !skin_calibrated)
+			if (time >= TIME_DURATION)
+			{
+				std::cout << "timer finised,  seconds left: " << seconds_left << std::endl;
+				seconds_left--;
+				time = 0;
+			}
+		
+
 		// detect skin color
 		skin_detector.drawSkinColorSampler(camera_frame,start_x_pos,start_y_pos,region_width,region_height);
 
@@ -32,6 +41,30 @@ namespace computervision
 		// draw the hand rectangle on the camera input, and draw text showing if the hand is open or closed.
 		DrawHandMask(&camera_frame);
 
+		if (seconds_left <= 0)
+		{
+			if (!background_calibrated)
+			{
+				background_remover.calibrate(input_frame);
+				background_calibrated = true;
+				hand_calibrator.SetBackGroundCalibrated(background_calibrated);
+				seconds_left = 5;
+				time = 0;
+			}
+			else
+			{
+
+				if (!skin_calibrated)
+				{
+					skin_detector.calibrate(input_frame);
+					skin_calibrated = true;
+					hand_calibrator.SetSkinCalibration(skin_calibrated);
+					time = 0;
+				}
+			}
+
+		}
+
 		//imshow("output" + region_id, frame_out);
 		//imshow("foreground" + region_id, foreground);
 		//imshow("handMask" + region_id, handMask);
@@ -47,7 +80,10 @@ namespace computervision
 
 		hand_calibrator.DrawBackgroundSkinCalibrated(camera_frame);
 
-
+		std::string calibration_text = (!background_calibrated ? "calibrating background in " : (!skin_calibrated ? "calibrating skin in " : ""));
+		calibration_text += std::to_string(seconds_left);
+		if (!background_calibrated || !skin_calibrated)
+			cv:putText(camera_frame, calibration_text, cv::Point(5, 400), cv::FONT_HERSHEY_COMPLEX, 1.0, cv::Scalar(255, 0, 255), 2);
 
 	}
 
@@ -102,4 +138,9 @@ namespace computervision
 		hand_calibrator.SetSkinCalibration(true);
 	}
 
+	void HandDetectRegion::UpdateTime(float delta_time)
+	{
+		time += delta_time;
+	}
+
 }

src/computervision/HandDetectRegion.h

@@ -2,6 +2,8 @@
 
 #include <opencv2/core.hpp>
 #include <opencv2/imgproc.hpp>
+#include <GLFW/glfw3.h>
+
 #include "async/StaticCameraInstance.h"
 #include "calibration/HandCalibrator.h"
 #include "BackgroundRemover.h"
@@ -36,8 +38,10 @@ namespace computervision
 		std::vector<int> CalculateSkinTresholds();
 
 		void setSkinTresholds(std::vector<int>& tresholds);
+		void UpdateTime(float delta_time);
 
 	private:
+
 		int start_x_pos;
 		int start_y_pos;
 		int region_height;
@@ -51,6 +55,15 @@ namespace computervision
 		std::string region_id;
 
 		bool DrawHandMask(cv::Mat* input);
+
+		float time = 0;
+		int seconds_left = 5; // calibration countdown
+
+		bool background_calibrated = false;
+		bool skin_calibrated = false;
+
+
+		
 	};
 
 }

src/computervision/ObjectDetection.cpp

@@ -51,26 +51,19 @@ namespace computervision
 	bool ObjectDetection::DetectHand(Mat camera_frame, bool& hand_present)
 	{
 		//calculate deltatime
-
-		double current_time = glfwGetTime();
-		static double last_frame_time = current_time;
-		double delt_time = current_time - last_frame_time;
-		std::cout << "delta time : " << delt_time << std::endl;
-		last_frame_time = current_time;
-
-		time += delt_time;
-
-		if (time >= TIME_DURATION)
+		if (!background_calibrated || !skin_calibrated)
 		{
-			std::cout << "timer finised,  seconds left: " << seconds_left << std::endl;
-			seconds_left--;
-			time = 0;
+			UpdateTime();
+
+			if (time >= TIME_DURATION)
+			{
+				std::cout << "timer finised,  seconds left: " << seconds_left << std::endl;
+				seconds_left--;
+				time = 0;
+			}
 		}
 
 
-
-
-
 		Mat input_frame = GenerateHandMaskSquare(camera_frame);
 		frame_out = input_frame.clone();
 
@@ -119,10 +112,11 @@ namespace computervision
 		hand_calibrator.SetAmountOfFingers(fingers_amount);
 		finger_count.DrawHandContours(camera_frame);
 		hand_calibrator.DrawHandCalibrationText(camera_frame);
+
 		std::string calibration_text = (!background_calibrated ? "calibrating background in " : (!skin_calibrated ? "calibrating skin in " : ""));
 		calibration_text += std::to_string(seconds_left);
 		if (!background_calibrated || !skin_calibrated)
-			cv:putText(camera_frame, calibration_text, cv::Point(5, 400), cv::FONT_HERSHEY_COMPLEX, 1.0, cv::Scalar(255, 0, 255),2);
+			cv:putText(camera_frame, calibration_text, cv::Point(5, 400), cv::FONT_HERSHEY_COMPLEX, 1.0, cv::Scalar(255, 0, 255), 2);
 
 		imshow("camera", camera_frame);
 
@@ -201,5 +195,15 @@ namespace computervision
 		imshow("Webcam image", img);
 	}
 
+	void ObjectDetection::UpdateTime()
+	{
+		double current_time = glfwGetTime();
+		static double last_frame_time = current_time;
+		double delt_time = current_time - last_frame_time;
+		last_frame_time = current_time;
+
+		time += delt_time;
+	}
+
 
 }

src/computervision/ObjectDetection.h

@@ -86,6 +86,7 @@ namespace computervision
 	private:
 		bool is_hand_open;
 		bool is_hand_present;
+		void UpdateTime();
 
 	};