Creating OpenCv Logo with OpenCv

OpenCV logo¶

In [177]:

from matplotlib import pyplot as plt

%matplotlib inline

In [178]:

import cv2

In [179]:

# Load an color image in grayscale

ocvimg = cv2.imread('opencv-logo-white.png',1)

plt.imshow(ocvimg)

plt.xticks([]), plt.yticks([])  # to hide tick values on X and Y axis

plt.show()

In [180]:

import numpy as np

# Create a black image

img = np.zeros((512,522,3), np.uint8)

In [181]:

img = cv2.ellipse(img,(256,100),(98,98),60,60,360,255,-1)

plt.imshow(img)

plt.xticks([]), plt.yticks([])  # to hide tick values on X and Y axis

plt.show()

In [182]:

img = cv2.circle(img,(256,100), 50, (0,0,0), -1)

plt.imshow(img)

plt.xticks([]), plt.yticks([])  # to hide tick values on X and Y axis

plt.show()

In [183]:

img = cv2.ellipse(img,(136,300),(98,98),300,60,360,(0,255,0),-1)

img = cv2.circle(img,(136,300), 50, (0,0,0), -1)

img = cv2.ellipse(img,(376,300),(98,98),240,60,360,(0,0,255),-1)

img = cv2.circle(img,(376,300), 50, (0,0,0), -1)

plt.imshow(img)

plt.xticks([]), plt.yticks([])  # to hide tick values on X and Y axis

plt.show()

In [184]:

font = cv2.FONT_HERSHEY_SIMPLEX

font = cv2.FONT_HERSHEY_TRIPLEX

cv2.putText(img,'OpenCV',(10,500), font, 4,(255,255,255),2,cv2.LINE_AA)

plt.imshow(img)

plt.xticks([]), plt.yticks([])  # to hide tick values on X and Y axis

plt.show()

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