requirements.txt and moved rf.png to /tmp

README.md

@@ -0,0 +1,6 @@
+# Info
+
+see https://www.tomshardware.com/news/raspberry-pi-opencv-distance-detection
+
+
+

handdist.py

@@ -25,33 +25,33 @@ def obj_data(img):
 def Distance_finder(Focal_Length, Known_width, obj_width_in_frame):
     distance = (Known_width * Focal_Length)/obj_width_in_frame
     return distance
-ref_image = cv2.imread("rf.png")
+ref_image = cv2.imread("/tmp/rf.png")
 ref_image_obj_width = obj_data(ref_image)
 Focal_length_found = Focal_Length_Finder(Known_distance, Known_width, ref_image_obj_width)
 cv2.imshow("ref_image", ref_image)
 
 print(Focal_length_found)
-        
+
 
 while True:
     ret,frame=cap.read()
     frame=cv2.flip(frame,1)
     obj_width_in_frame=obj_data(frame)
     if not obj_width_in_frame:
         print("no hands")
-    else:    
+    else:
         Distance = Distance_finder(Focal_length_found, Known_width, obj_width_in_frame)
         for i in a:
             x1=i[0]
             y1=i[1]
-          
+
         cv2.putText(frame, f"Distance: {round(Distance,2)} CM", (x1, y1),cv2.FONT_HERSHEY_PLAIN, 2, (255,0,0), 2)
-       
-   
-        
+
+
+
     frame=cv2.imshow("FRAME",frame)
-   
+
     if cv2.waitKey(1)&0xFF==27:
         break
-cap.relase()
-cv2.destroyAllWindows()
+cap.release()
+cv2.destroyAllWindows()

img.py

@@ -7,8 +7,8 @@
      cv2.imshow('FRAME',frame)
      if cv2.waitKey(1) == ord('a'):
         print ("pressed a")
-        frame=cv2.imwrite("/home/pi/hand-distance/rf.png",frame)
+        frame=cv2.imwrite("/tmp/rf.png",frame)
         break
-        
+
 cap.release()
 cv2.destroyAllWindows()

requirements.txt

@@ -0,0 +1,3 @@
+opencv-python
+cvzone
+mediapipe