mirror of
https://github.com/opencv/opencv.git
synced 2024-12-02 07:39:57 +08:00
90 lines
3.1 KiB
Python
90 lines
3.1 KiB
Python
#/usr/bin/env python
|
|
|
|
import unittest
|
|
import random
|
|
import time
|
|
import math
|
|
import sys
|
|
import array
|
|
import urllib
|
|
import tarfile
|
|
import hashlib
|
|
import os
|
|
import getopt
|
|
import operator
|
|
import functools
|
|
import numpy as np
|
|
import cv2
|
|
import cv2.cv as cv
|
|
|
|
class NewOpenCVTests(unittest.TestCase):
|
|
|
|
def get_sample(self, filename, iscolor = cv.CV_LOAD_IMAGE_COLOR):
|
|
if not filename in self.image_cache:
|
|
filedata = urllib.urlopen("https://raw.github.com/Itseez/opencv/master/" + filename).read()
|
|
self.image_cache[filename] = cv2.imdecode(np.fromstring(filedata, dtype=np.uint8), iscolor)
|
|
return self.image_cache[filename]
|
|
|
|
def setUp(self):
|
|
self.image_cache = {}
|
|
|
|
def hashimg(self, im):
|
|
""" Compute a hash for an image, useful for image comparisons """
|
|
return hashlib.md5(im.tostring()).digest()
|
|
|
|
# Tests to run first; check the handful of basic operations that the later tests rely on
|
|
|
|
class Hackathon244Tests(NewOpenCVTests):
|
|
|
|
def test_int_array(self):
|
|
a = np.array([-1, 2, -3, 4, -5])
|
|
absa0 = np.abs(a)
|
|
self.assert_(cv2.norm(a, cv2.NORM_L1) == 15)
|
|
absa1 = cv2.absdiff(a, 0)
|
|
self.assertEqual(cv2.norm(absa1, absa0, cv2.NORM_INF), 0)
|
|
|
|
def test_imencode(self):
|
|
a = np.zeros((480, 640), dtype=np.uint8)
|
|
flag, ajpg = cv2.imencode("img_q90.jpg", a, [cv2.IMWRITE_JPEG_QUALITY, 90])
|
|
self.assertEqual(flag, True)
|
|
self.assertEqual(ajpg.dtype, np.uint8)
|
|
self.assertGreater(ajpg.shape[0], 1)
|
|
self.assertEqual(ajpg.shape[1], 1)
|
|
|
|
def test_projectPoints(self):
|
|
objpt = np.float64([[1,2,3]])
|
|
imgpt0, jac0 = cv2.projectPoints(objpt, np.zeros(3), np.zeros(3), np.eye(3), np.float64([]))
|
|
imgpt1, jac1 = cv2.projectPoints(objpt, np.zeros(3), np.zeros(3), np.eye(3), None)
|
|
self.assertEqual(imgpt0.shape, (objpt.shape[0], 1, 2))
|
|
self.assertEqual(imgpt1.shape, imgpt0.shape)
|
|
self.assertEqual(jac0.shape, jac1.shape)
|
|
self.assertEqual(jac0.shape[0], 2*objpt.shape[0])
|
|
|
|
def test_estimateAffine3D(self):
|
|
pattern_size = (11, 8)
|
|
pattern_points = np.zeros((np.prod(pattern_size), 3), np.float32)
|
|
pattern_points[:,:2] = np.indices(pattern_size).T.reshape(-1, 2)
|
|
pattern_points *= 10
|
|
(retval, out, inliers) = cv2.estimateAffine3D(pattern_points, pattern_points)
|
|
self.assertEqual(retval, 1)
|
|
if cv2.norm(out[2,:]) < 1e-3:
|
|
out[2,2]=1
|
|
self.assertLess(cv2.norm(out, np.float64([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 0]])), 1e-3)
|
|
self.assertEqual(cv2.countNonZero(inliers), pattern_size[0]*pattern_size[1])
|
|
|
|
def test_fast(self):
|
|
fd = cv2.FastFeatureDetector(30, True)
|
|
img = self.get_sample("samples/cpp/right02.jpg", 0)
|
|
img = cv2.medianBlur(img, 3)
|
|
imgc = cv2.cvtColor(img, cv2.COLOR_GRAY2BGR)
|
|
keypoints = fd.detect(img)
|
|
self.assert_(600 <= len(keypoints) <= 700)
|
|
for kpt in keypoints:
|
|
self.assertNotEqual(kpt.response, 0)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
print "testing", cv.__version__
|
|
random.seed(0)
|
|
unittest.main()
|