如何檢測明亮區域

Question

我想查找圖像中最大明亮區域中心的（x，y）座標。 這是示例圖像 http://postimg.org/image/id3k558bx/

Answer 1

現在你改變了你的問題，並增加了一個示例圖像：

import scipy.ndimage as img 
import matplotlib.pylab as plt 
image = img.imread('threshold_Image.jpg', flatten=True) 

image_thresh= image 
threshold = 127 # half of the maximum - might want to vary it if your image is noisy etc. 
image_thresh[image < threshold] = 0 

labeled, num_objects = img.label(image_thresh) 
slices = img.find_objects(labeled) 
xcomlist, ycomlist = [], [] 
for peakslice in slices: 
    y, x = peakslice 
    xcom, ycom= img.measurements.center_of_mass(image[peakslice]) 
    xcom += x.start 
    ycom += y.start 
    xcomlist.append(xcom) 
    ycomlist.append(ycom) 

plt.imshow(image_thresh) 
plt.plot(xcomlist, ycomlist, 'gx') 
plt.show()