使用 OpenCV 在图像上绘制线条
在本程序中,我们将使用 OpenCV 函数 line() 在图像上绘制一条简单的线。
原始图像
算法
Step 1: Import cv2. Step 2: Read the image using imread(). Step 3: Get the dimensions of the image using the image.shape method. Step 4: Define starting point of the line. Step 5: Define the end point of the line. Step 6: Define the thickness of the line. Step 7: Draw the line using the cv2.line() function and pass Step 3 to Step 4 as parameters.
示例代码
import cv2 image = cv2.imread('testimage.jpg') height, width, channels = image.shape startpoint = (0, 0) endpoint = (height, width) thickness = 9 color = (255, 0, 0) image = cv2.line(image, startpoint, endpoint, color, thickness) cv2.imshow('Line', image)
输出
解释
如你所见,图像上绘制了一条蓝线。
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