개발/OpenCV + Data
openCV 6
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2020. 5. 1. 13:27
TrackBar
import cv2
import numpy as np
def change_color(x):
r = cv2.getTrackbarPos("R", "Image")
g = cv2.getTrackbarPos("G", "Image")
b = cv2.getTrackbarPos("B", "Image")
image[:] = [b, g, r]
cv2.imshow('Image', image)
image = np.zeros((600, 400, 3), np.uint8)
cv2.namedWindow("Image")
cv2.createTrackbar("R", "Image", 0, 255, change_color)
cv2.createTrackbar("G", "Image", 0, 255, change_color)
cv2.createTrackbar("B", "Image", 0, 255, change_color)
cv2.imshow('Image', image)
cv2.waitKey(0)
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