Initial commit

2026-03-31 13:28:59 +02:00
commit 7ec43ca17d
314 changed files with 189852 additions and 0 deletions
--- a/Divers/tutoriel36/selectionne_couleur.py
+++ b/Divers/tutoriel36/selectionne_couleur.py
@@ -0,0 +1,65 @@
+import cv2
+import numpy as np
+
+def souris(event, x, y, flags, param):
+    global lo, hi, color
+    if event==cv2.EVENT_LBUTTONDBLCLK:
+        color=image[y, x][0]
+    if event==cv2.EVENT_MOUSEWHEEL:
+        if flags<0:
+            if color>5:
+                color-=1
+        else:
+            if color<250:
+                color+=1
+    lo[0]=color-15
+    hi[0]=color+15
+
+color=90
+S=50
+V=50
+lo=np.array([color-5, S, V])
+hi=np.array([color+5, 255,255])
+color_info=(0, 255, 0)
+cap=cv2.VideoCapture(0)
+cv2.namedWindow('Camera')
+cv2.setMouseCallback('Camera', souris)
+while True:
+    ret, frame=cap.read()
+    image=cv2.cvtColor(frame, cv2.COLOR_BGR2HSV)
+    image=cv2.blur(image, (5, 5))
+    mask=cv2.inRange(image, lo, hi)
+    mask=cv2.erode(mask, None, iterations=2)
+    mask=cv2.dilate(mask, None, iterations=8)
+    elements=cv2.findContours(mask, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)[-2]
+    if len(elements) > 0:
+        c=max(elements, key=cv2.contourArea)
+        ((x, y), radius)=cv2.minEnclosingCircle(c)
+        if radius>10:
+            cv2.circle(frame, (int(x), int(y)), 5, color_info, 10)
+            cv2.line(frame, (int(x), int(y)), (int(x)+150, int(y)), color_info, 2)
+            cv2.putText(frame, "Objet !!!", (int(x)+10, int(y) -10), cv2.FONT_HERSHEY_DUPLEX, 1, color_info, 1, cv2.LINE_AA)
+
+    cv2.rectangle(frame, (0, 0), (frame.shape[1], 30), (100, 100, 100), cv2.FILLED)
+    cv2.putText(frame, "[Souris]Couleur: {:d}    [o|l] S:{:d}    [p|m] V{:d}".format(color, S, V), (5, 20), cv2.FONT_HERSHEY_PLAIN, 1, (255, 255, 255), 1, cv2.LINE_AA)
+    cv2.imshow('Camera', frame)
+    cv2.imshow('Mask', mask)
+
+    key=cv2.waitKey(1)&0xFF
+    if key==ord('q'):
+        break
+    if key==ord('p'):
+        V=min(255, V+1)
+        lo=np.array([color-5, S, V])
+    if key==ord('m'):
+        V=max(1, V-1)
+        lo=np.array([color-5, S, V])
+    if key==ord('o'):
+        S=min(255, S+1)
+        lo=np.array([color-5, S, V])
+    if key==ord('l'):
+        S=max(1, S-1)
+        lo=np.array([color-5, S, V])
+
+cap.release()
+cv2.destroyAllWindows()