Initial commit

2026-03-31 13:28:59 +02:00
commit 7ec43ca17d
314 changed files with 189852 additions and 0 deletions
--- a/OpenCV/tutoriel4/detection_couleur_raspberry.py
+++ b/OpenCV/tutoriel4/detection_couleur_raspberry.py
@@ -0,0 +1,39 @@
+import cv2
+import numpy as np
+import picamera
+import picamera.array
+
+lo=np.array([95, 100, 50])
+hi=np.array([105, 255, 255])
+color_infos=(0, 255, 255)
+WIDTH=640
+HEIGHT=480
+
+with picamera.PiCamera() as camera:
+    with picamera.array.PiRGBArray(camera) as stream:
+        camera.resolution=(WIDTH, HEIGHT)
+        while True:
+            camera.capture(stream, 'bgr', use_video_port=True)
+            image=cv2.cvtColor(stream.array, cv2.COLOR_BGR2HSV)
+            mask=cv2.inRange(image, lo, hi)
+            image=cv2.blur(image, (7, 7))
+            mask=cv2.erode(mask, None, iterations=4)
+            mask=cv2.dilate(mask, None, iterations=4)
+            image2=cv2.bitwise_and(stream.array, stream.array, mask=mask)
+            elements=cv2.findContours(mask, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)[-2]
+            if len(elements) > 0:
+                c=max(elements, key=cv2.contourArea)
+                ((x, y), rayon)=cv2.minEnclosingCircle(c)
+                if rayon>30:
+                    cv2.circle(image2, (int(x), int(y)), int(rayon), color_infos, 2)
+                    cv2.circle(stream.array, (int(x), int(y)), 5, color_infos, 10)
+                    cv2.line(stream.array, (int(x), int(y)), (int(x)+150, int(y)), color_infos, 2)
+                    cv2.putText(stream.array, "Objet !!!", (int(x)+10, int(y) -10), cv2.FONT_HERSHEY_DUPLEX, 1, color_infos, 1, cv2.LINE_AA)
+            cv2.imshow('Camera', stream.array)
+            cv2.imshow('image2', image2)
+            cv2.imshow('Mask', mask)
+            if cv2.waitKey(1)&0xFF==ord('q'):
+                break
+            stream.seek(0)
+            stream.truncate()                        
+cv2.destroyAllWindows()