[Python] OpenCV snippets

opencv.py

# Showing openCV version
import cv2
print("OpenCV version: %s" % cv2.__version__)

# Reading image and converting it to HSV
img = cv2.imread('img/test.jpg')
img = cv2.cvtColor(img, cv2.COLOR_BGR2HSV )
plt.imshow(img)


# Reading files based on name or extension in a folder inside a loop
import glob
for filename in glob.glob("/path/to/*.json"):
    print(filename)
    
# Showing progress bar for loops
from tqdm import *
for filename in tqdm(glob.glob("/path/to/*.json")):
    print(filename)

# Display images inline in jupyter notebook
%matplotlib inline

# Show time spent in a function
%timeit myfunction()

# Split filename and extension from filepath
import os
title, ext = os.path.splitext(os.path.basename(pathAndFilename))