python代码
时间: 2023-07-02 15:16:42 浏览: 103
这里提供一份Python实现的凹点分割和去除雾滴的代码:
```python
import cv2
import numpy as np
# 读取图像
img = cv2.imread('image.png')
grayImg = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
# 二值化
_, bwImg = cv2.threshold(grayImg, 0, 255, cv2.THRESH_BINARY_INV+cv2.THRESH_OTSU)
# 去除小物体
bwImg = cv2.erode(bwImg, cv2.getStructuringElement(cv2.MORPH_ELLIPSE, (5, 5)))
bwImg = cv2.dilate(bwImg, cv2.getStructuringElement(cv2.MORPH_ELLIPSE, (5, 5)))
# 凹点分割
distImg = cv2.distanceTransform(bwImg, cv2.DIST_L2, 3)
_, mask = cv2.threshold(distImg, 2, 255, cv2.THRESH_BINARY)
mask = cv2.morphologyEx(mask, cv2.MORPH_CLOSE, cv2.getStructuringElement(cv2.MORPH_ELLIPSE, (5, 5)))
mask = cv2.bitwise_not(cv2.fillHoles(mask))
mask = cv2.erode(mask, cv2.getStructuringElement(cv2.MORPH_ELLIPSE, (5, 5)))
bwImg = cv2.bitwise_and(bwImg, mask)
# 去除雾滴噪声
bwImg = cv2.morphologyEx(bwImg, cv2.MORPH_OPEN, cv2.getStructuringElement(cv2.MORPH_ELLIPSE, (5, 5)))
# 显示结果
cv2.imshow('Result', bwImg)
cv2.waitKey(0)
cv2.destroyAllWindows()
```
这里使用了OpenCV库,具体实现步骤如下:
1. 读取图像并转换为灰度图像;
2. 对灰度图像进行二值化,使用cv2.threshold函数;
3. 使用cv2.erode和cv2.dilate函数去除小物体;
4. 对二值化图像进行凹点分割,使用cv2.distanceTransform函数计算距离变换,cv2.threshold函数确定凹点位置,cv2.morphologyEx函数进行闭运算连接凹点,cv2.fillHoles函数填充空洞,cv2.erode函数去除小物体;
5. 使用cv2.morphologyEx函数去除雾滴噪声;
6. 显示结果图像,使用cv2.imshow和cv2.waitKey函数。
注意:凹点分割和去除雾滴噪声的效果可能会受到图像的噪声和光照等因素的影响,需要根据实际情况进行参数调整和处理。
阅读全文
相关推荐








