33 lines
717 B
Python
33 lines
717 B
Python
import numpy as np
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import cv2
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camera = cv2.VideoCapture(0)
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signum = 1
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factor = 0.3
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while True:
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ret, bgr = camera.read()
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''' Aufgabe a) '''
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hsv = cv2.cvtColor(bgr, cv2.COLOR_BGR2HSV)
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hsv[:, :, 2] = np.round(hsv[:, :, 2] * factor)
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bgr = cv2.cvtColor(hsv, cv2.COLOR_HSV2BGR)
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''' Aufgabe b) '''
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if factor == 0:
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signum = 1
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elif factor == 1:
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signum = -1
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factor += signum * 0.02
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factor = min(1, factor)
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factor = max(0, factor)
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''' Visualisierung '''
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# Display the resulting frame
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cv2.imshow('frame', bgr)
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if 27 == cv2.waitKey(1): # Taste "q"
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break
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# When everything done, release the capture
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camera.release()
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cv2.destroyAllWindows() |