透视变换python代码实现

透视变换在Python中可以通过OpenCV库来实现。在OpenCV中，可以使用函数`getPerspectiveTransform(src, dst)`来计算透视变换的变换矩阵。其中，`src`是原始图像中四个角点的坐标，`dst`是变换后图像中对应的四个角点的坐标。这个函数会返回一个3x3的变换矩阵。

接下来，可以使用函数`warpPerspective(src, M, dsize)`来应用透视变换。其中，`src`是原始图像，`M`是变换矩阵，`dsize`是输出图像的大小。

下面是一个简单的透视变换的Python代码实现的示例：

import cv2
import numpy as np

def perspective_transform(image, src_points, dst_points):
    # 计算透视变换的变换矩阵
    M = cv2.getPerspectiveTransform(src_points, dst_points)
    
    # 应用透视变换
    transformed_image = cv2.warpPerspective(image, M, (image.shape<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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