導航

from skimage import measure
import cv2
import numpy as np
 
##
##image:二值圖像
##threshold_point:符合面積條件大小的閾值
def remove_small_points(image,threshold_point):
    img = cv2.imread(image, 0)       #輸入的二值圖像
    img_label, num = measure.label(img, neighbors=8, return_num=True)#輸出二值圖像中所有的連通域
    props = measure.regionprops(img_label)#輸出連通域的屬性，包括面積等
 
    resMatrix = np.zeros(img_label.shape)
    for i in range(1, len(props)):
        if props[i].area > threshold_point:
            tmp = (img_label == i + 1).astype(np.uint8)
            resMatrix += tmp #組合所有符合條件的連通域
    resMatrix *= 255
    return resMatrix
 
res = remove_small_points(image,threshold_point)