Jetson Nano and OpenCV: Bitwise and/ or operations

So here I’ve used bitwise and/or operators to start off with the concept of masking live videos

Demo:

Things Required:

  1. Jetson Nano
  2. Keyboard
  3. Mouse
  4. HDMI Screen
  5. Raspberry Pi Camera
  6. External Power Supply

Reference Material:

  1. You can check out this video for the project: (LINK)

Code:

Note that code below is in python

View on/Download from Github: (LINK)

import cv2
import numpy as np 
dispW= 640
dispH=480
flip=2
img1= np.zeros((480,640,1), np.uint8)
img1[0:480, 0:320]=[255]
img2=np.zeros((480,640,1), np.uint8)
img2[190:290, 270:370]= [255]
bitAnd= cv2.bitwise_and(img1,img2)
bitOr= cv2.bitwise_or(img1,img2)
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)
while True:
    ret,frame= cam.read()
    cv2.imshow('img1',img1)
    cv2.imshow('img2',img2)
    cv2.imshow('bitAnd', bitAnd)
    cv2.imshow('bitOr', bitOr)
    if cv2.waitKey(1) == ord('q'):
        break
cam.release()
cv2.destroyAllWindows()

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Happy Learning!!

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