30 lines
760 B
Python
30 lines
760 B
Python
import cv2
|
|
import numpy as np
|
|
import math
|
|
|
|
|
|
img = cv2.imread("data/flasche.jpeg")
|
|
img = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
|
|
x, y = 300, 270
|
|
img = img[y:y+900, x:x+900]
|
|
img = cv2.resize(img, (300, 300))
|
|
rows, cols = img.shape
|
|
print(rows, cols)
|
|
alpha = np.pi / 4
|
|
M1 = np.float32([
|
|
[np.cos(alpha), -np.sin(alpha), 150],
|
|
[np.sin(alpha), np.cos(alpha), 0]
|
|
])
|
|
|
|
|
|
dst1 = cv2.warpAffine(img, M1 ,(cols,rows))
|
|
|
|
|
|
cv2.imshow("A", img)
|
|
cv2.imshow("1", dst1)
|
|
|
|
cv2.waitKey(0)
|
|
|
|
#cv2.imwrite("/home/kaiser/Schreibtisch/ownCloud/Vorlesung/DigitaleBildverarbeitung/Klausuren/Klausur_WS2021/images/flasche_original.png", img)
|
|
#cv2.imwrite("/home/kaiser/Schreibtisch/ownCloud/Vorlesung/DigitaleBildverarbeitung/Klausuren/Klausur_WS2021/images/flasche_rotated.png", dst1)
|