TypeError: unsupported operand type(s) for -: 'NoneType' and 'No Fermé

Question

je suis nouveau dans la programmation python et je suis sur le point de réaliser un scanner 3d linaire et j'ai eu des problème lors de la compilation du code 

"import numpy as np
import scipy
import scipy.ndimage as ndimage
import scipy.ndimage.filters as filters
import matplotlib.pyplot as plt
import cv2

fname = '/home/mehdi/Bureau/mehdi.jpg'
neighborhood_size = 5
threshold = 1500
scale1 = 0.1292
scale2 = 0.03175

data = cv2.imread('fname',0)


data_max = filters.maximum_filter(data, neighborhood_size)
maxima = (data == data_max)
data_min = filters.minimum_filter(data, neighborhood_size)
diff = ((data_max - data_min) > threshold)
maxima[diff == 0] = 0

labeled, num_objects = ndimage.label(maxima)
    slices = ndimage.find_objects(labeled)

    for dy,dx in slices:

        x_center = (dx.start + dx.stop - 1)/2
        y_center = (dy.start + dy.stop - 1)/2

        if x_center > 500 and x_center < 621:
          xx1.append((x_center*scale1)+(fileloop*scale2))
          yy1.append(y_center*scale1)
          zz1.append((621-x_center)*1.0*scale1)"
 et voici le message d'erreur 
"  diff = ((data_max + data_min) > threshold)
TypeError: unsupported operand type(s) for -: 'NoneType' and 'NoneType'"

dsy73 · Answer

Salut
Ton code n'est pas lisible, utilise le bouton "code" pour le formater

S.Mehdi01 · Answer

import cv2 import numpy as np import scipy import scipy.ndimage as ndimage import scipy.ndimage.filters as filters import matplotlib.pyplot as plt neighborhood_size = 4 threshold = 100 scale1 = 0.1292 scale2 = 0.03175 cv2.namedWindow("Image") data = cv2.imread('/home/mehdi/Bureau/mehdi.jpg',0) data_max = scipy.ndimage.filters.maximum_filter(data, 4) maxima = (data == data_max) data_min = scipy.ndimage.filters.minimum_filter(data, 4) diff = ((data_max - data_min) > threshold) maxima[diff == 0] = 0 labeled, num_objects = ndimage.label(maxima) slices = ndimage.find_objects(labeled) for dy,dx in slices: x_center = (dx.start + dx.stop - 1)/2 y_center = (dy.start + dy.stop - 1)/2 if x_center > 500 and x_center < 621: xx1.append((x_center*scale1)+(fileloop*scale2)) yy1.append(y_center*scale1) zz1.append((621-x_center)*1.0*scale1) if x_center > 621 and x_center < 800: xx2.append((x_center*scale1)+(fileloop*scale2)) yy2.append(y_center*scale1) zz2.append((x_center-621)*1.0*scale1) pointcloud1 = zip(xx1,yy1,zz1) pointcloud2 = zip(xx2,yy2,zz2) np.savetxt('test1.asc',pointcloud1,fmt='%-7.2f') np.savetxt('test2.asc',pointcloud2,fmt='%-7.2f') cv2.imshow("Image",data) cv2.waitKey(0) cv2.destroyALLWindows()

TypeError: unsupported operand type(s) for -: 'NoneType' and 'No

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