Plt clor image histogram

import cv2
import numpy as np
from matplotlib import pyplot as plt

file0 = 'image.jpg'
img = cv2.imread(file0)
color = ('b','g','r')
plt.figure()
for i,col in enumerate(color):
    histr = cv2.calcHist([img],[i],None,[256],[0,256])
    plt.plot(histr,color = col)
    plt.xlim([0,256])
plt.show()

Source: stackoverflow.com

Similar codes

2 votes228 views1 answer
Python insert object into list
Python
0 vote291 views1 answer
Django prepopulated_fields
Python
0 vote287 views1 answer
Banner grabber api
Python
1 vote273 views1 answer
Dict to array of string python
Python
1 vote252 views1 answer
Simple gui for pygame
Python
5 votes273 views4 answers
Binary to decimal python
Python
2 votes255 views2 answers
Python obtain data from pandas dataframe without index name
Python
0 vote258 views1 answer
Blender Python perspective camaera
Python
32 votes290 views2 answers
Drop if nan in column pandas
Python
2 votes249 views1 answer
Logout in discord.py
Python