deepin-ocr/3rdparty/opencv-4.5.4/samples/python/stitching.py

63 lines
1.7 KiB
Python
Raw Normal View History

#!/usr/bin/env python
'''
Stitching sample
================
Show how to use Stitcher API from python in a simple way to stitch panoramas
or scans.
'''
# Python 2/3 compatibility
from __future__ import print_function
import numpy as np
import cv2 as cv
import argparse
import sys
modes = (cv.Stitcher_PANORAMA, cv.Stitcher_SCANS)
parser = argparse.ArgumentParser(prog='stitching.py', description='Stitching sample.')
parser.add_argument('--mode',
type = int, choices = modes, default = cv.Stitcher_PANORAMA,
help = 'Determines configuration of stitcher. The default is `PANORAMA` (%d), '
'mode suitable for creating photo panoramas. Option `SCANS` (%d) is suitable '
'for stitching materials under affine transformation, such as scans.' % modes)
parser.add_argument('--output', default = 'result.jpg',
help = 'Resulting image. The default is `result.jpg`.')
parser.add_argument('img', nargs='+', help = 'input images')
__doc__ += '\n' + parser.format_help()
def main():
args = parser.parse_args()
# read input images
imgs = []
for img_name in args.img:
img = cv.imread(cv.samples.findFile(img_name))
if img is None:
print("can't read image " + img_name)
sys.exit(-1)
imgs.append(img)
stitcher = cv.Stitcher.create(args.mode)
status, pano = stitcher.stitch(imgs)
if status != cv.Stitcher_OK:
print("Can't stitch images, error code = %d" % status)
sys.exit(-1)
cv.imwrite(args.output, pano)
print("stitching completed successfully. %s saved!" % args.output)
print('Done')
if __name__ == '__main__':
print(__doc__)
main()
cv.destroyAllWindows()