随笔分类 -  CV

Chapter 8 Contour / Shape Detection
摘要：def getContours(img): contours, hierarchy = cv2.findContours(img, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_NONE) for cnt in contours: area = cv2.contourAre 阅读全文
posted @ 2025-09-21 21:03 SpongeBob~ 阅读(8) 评论(0) 推荐(0)
Chapter 7 Color Detection
摘要：img = cv2.imread('images/lambo.png') def stackImages(scale, imgArray): rows = len(imgArray) cols = len(imgArray[0]) rowsAvailable = isinstance(imgArra 阅读全文
posted @ 2025-09-21 20:18 SpongeBob~ 阅读(11) 评论(0) 推荐(0)
Chapter 6 Joining Images
摘要：# 这个是numpy的功能 # imgHor = np.hstack((img, img)) # imgVer = np.vstack((img, img)) def stackImages(scale, imgArray): rows = len(imgArray) cols = len(imgA 阅读全文
posted @ 2025-09-21 11:42 SpongeBob~ 阅读(8) 评论(0) 推荐(0)
Chapter 5 Wrap Perspective
摘要：# width, height = 458, 371 width, height = 250, 350 pts1 = np.float32([[109, 220], [282, 189], [154, 483], [353, 434]]) pst2 = np.float32([[0, 0], [wi 阅读全文
posted @ 2025-09-21 11:25 SpongeBob~ 阅读(8) 评论(0) 推荐(0)
Chapter 4 Shapes and Texts
摘要：# [[0. 0. 0 # img = np.zeros(shape=(512, 512)) # [[[0 0 0] img = np.zeros(shape=(512, 512, 3), dtype=np.uint8) # print(img) # Blue 这里还是先 Height，然后是 Wi 阅读全文
posted @ 2025-09-21 11:11 SpongeBob~ 阅读(10) 评论(0) 推荐(0)
Chapter 3 Resize and Cropping
摘要：img = cv2.imread('images/lambo.png') # (462, 623, 3) print(img.shape) # 先是width（x轴），然后是height（y轴），可以看出 resize 是放大或缩小并不是裁剪 imgResized = cv2.resize(img, 阅读全文
posted @ 2025-09-21 10:14 SpongeBob~ 阅读(4) 评论(0) 推荐(0)
OpenCV的一些API的使用
摘要：本文章会陆续记录一些OpenCV的API方法 # 高斯模糊 imgBlur = cv2.GaussianBlur(imgGray, (7, 7), 0) # 边缘检测 imgCanny = cv2.Canny(img, 100, 100) # 数值改大之后，线条少一些了 imgCanny = cv2 阅读全文
posted @ 2025-09-20 21:18 SpongeBob~ 阅读(11) 评论(0) 推荐(0)