deepin-ocr/3rdparty/opencv-4.5.4/modules/python/test/test_watershed.py
wangzhengyang 718c41634f feat: 切换后端至PaddleOCR-NCNN,切换工程为CMake
1.项目后端整体迁移至PaddleOCR-NCNN算法,已通过基本的兼容性测试
2.工程改为使用CMake组织,后续为了更好地兼容第三方库,不再提供QMake工程
3.重整权利声明文件,重整代码工程,确保最小化侵权风险

Log: 切换后端至PaddleOCR-NCNN,切换工程为CMake
Change-Id: I4d5d2c5d37505a4a24b389b1a4c5d12f17bfa38c
2022-05-10 10:22:11 +08:00

37 lines
1.0 KiB
Python

#!/usr/bin/env python
'''
Watershed segmentation test
'''
# Python 2/3 compatibility
from __future__ import print_function
import numpy as np
import cv2 as cv
from tests_common import NewOpenCVTests
class watershed_test(NewOpenCVTests):
def test_watershed(self):
img = self.get_sample('cv/inpaint/orig.png')
markers = self.get_sample('cv/watershed/wshed_exp.png', 0)
refSegments = self.get_sample('cv/watershed/wshed_segments.png')
if img is None or markers is None:
self.assertEqual(0, 1, 'Missing test data')
colors = np.int32( list(np.ndindex(3, 3, 3)) ) * 122
cv.watershed(img, np.int32(markers))
segments = colors[np.maximum(markers, 0)]
if refSegments is None:
refSegments = segments.copy()
cv.imwrite(self.extraTestDataPath + '/cv/watershed/wshed_segments.png', refSegments)
self.assertLess(cv.norm(segments - refSegments, cv.NORM_L1) / 255.0, 50)
if __name__ == '__main__':
NewOpenCVTests.bootstrap()