Opencv python shrink image

import cv2
 
src = cv2.imread('D:/cv2-resize-image-original.png', cv2.IMREAD_UNCHANGED)

#percent by which the image is resized
scale_percent = 50

#calculate the 50 percent of original dimensions
width = int(src.shape[1] * scale_percent / 100)
height = int(src.shape[0] * scale_percent / 100)

# dsize
dsize = (width, height)

# resize image
output = cv2.resize(src, dsize)

cv2.imwrite('D:/cv2-resize-image-50.png',output)

Source: pythonexamples.org

Opencv resize image

cv2.resize(src, dsize[, dst[, fx[, fy[, interpolation]]]])

Source: pythonexamples.org

Python opencv imresize

im = cv2.resize(im, None, fx=1/3, fy=1/3, interpolation=cv2.INTER_AREA)

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