SciPy. SciPy builds on the NumPy array object and is part of the NumPy stack which includes tools like Matplotlib, pandas and an expanding set of scientific computing libraries. Let’s start with the basics. First install SciPy library using command. pip install scipy. Let’s see how we can read an image and display an image using SciPy and ...
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Single Integrals. The Quad function is the workhorse of SciPy’s integration functions. Numerical integration is sometimes called quadrature, hence the name.It is normally the default choice for performing single integrals of a function f(x) over a given fixed range from a to b.
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May 07, 2019 · Gaussian Noise import cv2 import numpy as np img = cv2.imread('D:/downloads/opencv_logo.PNG') # Generate Gaussian noise gauss = np.random.normal(0,1,img.size) gauss = gauss.reshape(img.shape,img.shape,img.shape).astype('uint8') # Add the Gaussian noise to the image img_gauss = cv2.add(img,gauss) # Display the image cv2.imshow('a',img_gauss) cv2.waitKey(0)
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Suppose I have data and I want to fit a two component Gaussian mixture to it. I don't know how to do it in python but worse than that is that I have an additional constraint that the mean of one component should be less than zero and the mean of the other component should be greater than or equal to zero.
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Nov 04, 2020 · gaussian noise added over image: noise is spread throughout; gaussian noise multiplied then added over image: noise increases with image value; image folded over and gaussian noise multipled and added to it: peak noise affects mid values, white and black receiving little noise in every case i blend in 0.2 and 0.4 of the image
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For adding one array to another, there's nothing better than + either. Let me add that I'd be surprised if this is the choking point of your application. The easiest way to make this faster is to avoid allocating the random array which you don't actually need. To avoid that, use Numba