Opencv combine video

import cv2
import numpy as np

#loads images and gets data
img = cv2.imread("img.png")
h,w,_ = img.shape    

# creates the resulting image with double the size and 3 channels 
output = np.zeros((h * 2, w * 2, 3), dtype="uint8")

# copies the image to the top left
output[0:h, 0:w] = img 
# copies the image to the top right
output[0:h, w:w * 2] = img 
# copies the image to the bottom left
output[h:h * 2, w:w * 2] = img 
# copies the image to the bottom right
output[h:h * 2, 0:w] = img

Source: stackoverflow.com

Opencv combine video

# creates the resulting image with double the size and 3 channels 
output = np.zeros((w+h+h , w + h + h, 3), dtype="uint8")

# top img
output[0:h, h:h+w] = img 
# left img (rotated 90°)
output[h:h+w, 0:h] = np.rot90(img,1) 
# right img (rotated 270°)
output[h:h + w, h + w:h +w +h] = np.rot90(img,3)  
# bottom img (rotated 180°)
output[h+w:h+w+h, h:h+w] = np.rot90(img,2)

Source: stackoverflow.com

Similar codes

0 vote328 views1 answer
PCL RANSAC
C++
26 votes335 views2 answers
Remove element from vector on condition c++
C++
0 vote352 views1 answer
C++ how to inherit from a template class
C++
0 vote317 views2 answers
Stack data structure c++
C++
13 votes333 views4 answers
How to lock and hide the cursor unity
C++
0 vote309 views2 answers
The code execution cannot proceed because glew32.dll was not found
C++
0 vote297 views10 answers
Convert java code to c++ online
C++
0 vote324 views1 answer
Create vectors of vectors c++
C++
0 vote314 views1 answer
Nested conditional operator
C++
1 vote339 views1 answer
C++ sqlite open file in other directory
C++