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opencv/modules/gapi/misc/python/test/test_gapi_sample_pipelines.py
2020-09-17 11:09:41 +03:00

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1.0 KiB
Python

#!/usr/bin/env python
import numpy as np
import cv2 as cv
from tests_common import NewOpenCVTests
# Plaidml is an optional backend
pkgs = [
cv.gapi.core.ocl.kernels(),
cv.gapi.core.cpu.kernels(),
cv.gapi.core.fluid.kernels()
# cv.gapi.core.plaidml.kernels()
]
class gapi_sample_pipelines(NewOpenCVTests):
# NB: This test check multiple outputs for operation
def test_mean_over_r(self):
sz = (100, 100, 3)
in_mat = np.random.randint(0, 100, sz).astype(np.uint8)
# # OpenCV
_, _, r_ch = cv.split(in_mat)
expected = cv.mean(r_ch)
# G-API
g_in = cv.GMat()
b, g, r = cv.gapi.split3(g_in)
g_out = cv.gapi.mean(r)
comp = cv.GComputation(g_in, g_out)
for pkg in pkgs:
actual = comp.apply(in_mat, args=cv.compile_args(pkg))
# Comparison
self.assertEqual(0.0, cv.norm(expected, actual, cv.NORM_INF))
if __name__ == '__main__':
NewOpenCVTests.bootstrap()