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python: 'cv2.' -> 'cv.' via 'import cv2 as cv'

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This commit is contained in:
Alexander Alekhin
2017-12-11 12:55:03 +03:00
parent 9665dde678
commit 5560db73bf
162 changed files with 2083 additions and 2084 deletions
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18
samples/python/lappyr.py
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@@ -21,7 +21,7 @@ if PY3:
xrange = range
import numpy as np
import cv2
import cv2 as cv
import video
from common import nothing, getsize
@@ -29,8 +29,8 @@ def build_lappyr(img, leveln=6, dtype=np.int16):
img = dtype(img)
levels = []
for _i in xrange(leveln-1):
next_img = cv2.pyrDown(img)
img1 = cv2.pyrUp(next_img, dstsize=getsize(img))
next_img = cv.pyrDown(img)
img1 = cv.pyrUp(next_img, dstsize=getsize(img))
levels.append(img-img1)
img = next_img
levels.append(img)
@@ -39,7 +39,7 @@ def build_lappyr(img, leveln=6, dtype=np.int16):
def merge_lappyr(levels):
img = levels[-1]
for lev_img in levels[-2::-1]:
img = cv2.pyrUp(img, dstsize=getsize(lev_img))
img = cv.pyrUp(img, dstsize=getsize(lev_img))
img += lev_img
return np.uint8(np.clip(img, 0, 255))
@@ -55,20 +55,20 @@ if __name__ == '__main__':
cap = video.create_capture(fn)
leveln = 6
cv2.namedWindow('level control')
cv.namedWindow('level control')
for i in xrange(leveln):
cv2.createTrackbar('%d'%i, 'level control', 5, 50, nothing)
cv.createTrackbar('%d'%i, 'level control', 5, 50, nothing)
while True:
ret, frame = cap.read()
pyr = build_lappyr(frame, leveln)
for i in xrange(leveln):
v = int(cv2.getTrackbarPos('%d'%i, 'level control') / 5)
v = int(cv.getTrackbarPos('%d'%i, 'level control') / 5)
pyr[i] *= v
res = merge_lappyr(pyr)
cv2.imshow('laplacian pyramid filter', res)
cv.imshow('laplacian pyramid filter', res)
if cv2.waitKey(1) == 27:
if cv.waitKey(1) == 27:
break