通道分離

#--coding: utf-8--
import cv2 as cv
import numpy as np


def channels_split():
        capture = cv.VideoCapture('/home/pi/Desktop/白衣黑褲.mp4')
        while True:
                ret, frame = capture.read()
                b, g, r = cv.split(frame)
                cv.imshow('video', frame)
                cv.
 
imshow('Red', r)
                c = cv.waitKey(40)
                if cv.waitKey(50) & 0xFF == ord('q'):
                        break


channels_split()
cv.waitKey(0)
cv.destoryAllWindows()

通道合併

注意：合併的通道可以任意組合，且合成順序與合成效果有關

#--coding: utf-8--
import cv2 as cv
import numpy as np


def channels_split
 
():
        capture = cv.VideoCapture('/home/pi/Desktop/白衣黑褲.mp4')
        while True:
                ret, frame = capture.read()
                b, g, r = cv.split(frame)
                src = cv.merge([b, b, r])
                cv.imshow('video', frame)
                cv.imshow('complex', src)
                c =
 
 cv.waitKey(40)
                if cv.waitKey(50) & 0xFF == ord('q'):
                        break


channels_split()
cv.waitKey(0)
cv.destoryAllWindows()