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There are various type of thresholding. We will discuss one by one: Simple Thresholding If pixel value less then threshold value then it is assigned one value else we will assign another value. For thresholding we will use cv2.threshold function. In this function we will pass four parameters: 1: Source image: Source image should be …
Addition of NumPy array import numpy as np n1 = np.array([10, 20])n2 = np.array([30, 40]) np.sum([n1, n2])Output = 100 We can also add only column or row using axis parameter. np.sum([n1, n2], axis = 0)Output: array([30, 40]) np.sum([n1, n2], axis = 1)Output: array([30, 70]) How to calculate Mean of numPy array? import numpy as npn1 …
Numpy is numerical library of python. Numpy used for numerical and scientific computing NumPy is a multidimensional array and a collection of routines for processing those arrays. We can work with multidimensions x,y and z axis. We have some methods in numPy library using this we can process multidimensional array.
import cv2import numpy as npcap = cv2.VideoCapture(0)while (1): # Take each frame _, frame = cap.read() # Convert BGR to HSV hsv = cv2.cvtColor(frame, cv2.COLOR_BGR2HSV) # define range of blue color in HSV lower_blue = np.array([90, 50, 70]) upper_blue = np.array([128, 255, 255]) # Threshold the HSV image to get only blue colors mask = …
