openCV的unittest测试实例可否可以给出一些?
时间: 2024-04-01 07:31:11 浏览: 17
当然可以,下面是 OpenCV 库的一些测试实例:
1. 测试图像读取:
```python
import unittest
import cv2
class TestOpenCV(unittest.TestCase):
def test_imread(self):
img = cv2.imread('test.jpg')
self.assertIsNotNone(img)
self.assertEqual(img.shape, (480, 640, 3))
```
2. 测试图像处理:
```python
import unittest
import cv2
class TestOpenCV(unittest.TestCase):
def test_canny(self):
img = cv2.imread('test.jpg', cv2.IMREAD_GRAYSCALE)
edges = cv2.Canny(img, 100, 200)
self.assertIsNotNone(edges)
self.assertEqual(edges.shape, (480, 640))
```
3. 测试视频读取:
```python
import unittest
import cv2
class TestOpenCV(unittest.TestCase):
def test_video_capture(self):
cap = cv2.VideoCapture('test.mp4')
self.assertTrue(cap.isOpened())
ret, frame = cap.read()
self.assertTrue(ret)
self.assertEqual(frame.shape, (480, 640, 3))
cap.release()
```
4. 测试特征提取:
```python
import unittest
import cv2
class TestOpenCV(unittest.TestCase):
def test_sift(self):
img = cv2.imread('test.jpg', cv2.IMREAD_GRAYSCALE)
sift = cv2.SIFT_create()
keypoints, descriptors = sift.detectAndCompute(img, None)
self.assertIsNotNone(keypoints)
self.assertIsNotNone(descriptors)
```
以上仅是 OpenCV 库测试的一部分,OpenCV 库有很多功能和参数,每种功能和参数都可以编写相应的测试用例。希望这些示例能够帮助您更好地理解 OpenCV 库的测试。