Soo in this project I’ve made use of a trackbar to move a tiny dot along the x-axis and y-axis of the camera display window for a live Video
Demo:
Things Required:
- Jetson Nano
- Keyboard
- Mouse
- HDMI Screen
- Raspberry Pi Camera
- External Power Supply
Reference Material:
- Video that I followed for this project: (LINK)
Code:
Note that code below is in python
View on/Download from Github: (LINK)
import cv2
def nothing():
pass
dispW=640
dispH=480
flip=2
camSet='nvarguscamerasrc ! video/x-raw(memory:NVMM), width=3264, height=2464, format=NV12, framerate=21/1 ! nvvidconv flip-method='+str(flip)+' ! video/x-raw, width='+str(dispW)+', height='+str(dispH)+', format=BGRx ! videoconvert ! video/x-raw, format=BGR ! appsink'
cam= cv2.VideoCapture(camSet)
cv2.namedWindow('nanoCam')
cv2.createTrackbar('xVal','nanoCam',0,dispW,nothing)
cv2.createTrackbar('yVal','nanoCam',0,dispH,nothing)
while True:
ret, frame= cam.read()
xVal=cv2.getTrackbarPos('xVal','nanoCam')
yVal= cv2.getTrackbarPos('yVal','nanoCam')
#print(xVal, ',', yVal)
cv2.circle(frame,(xVal,yVal),10,(255,0,0),-1)
#nanoCam window created
cv2.imshow('nanoCam', frame)
cv2.moveWindow('nanoCam', 0,0)
if cv2.waitKey(1) == ord('q'):
break
cam.release()
cv2.destroyAllWindows()
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