region of interest image into subset with python

Question

How to do region of interest selected in the image and evenly divided into multiple subsets, whose size and spacing are defined by the user (the subset size and step size, respectively) with python?? '''

images = []
folder = pathF
for filename in os.listdir(folder):
    sorted(filename)
try:
    img = mpimg.imread(os.path.join(folder, filename))
    
    if img is not None:
        images.append(img)
except:
    print('Cant import ' + filename)
images = np.asarray(images)
img_num = len(images) 
ref_img = images[0]
#Roi 

print(len(images))
roi = cv2.selectROI(ref_img)
print(roi)
roi_cropped = [] 
for imagefile in images:
    roi_cropped.append(imagefile[int(roi[1]):int(roi[1]+roi[3]),  int(roi[0]):int(roi[0]+roi[2])])

print(roi_cropped)    
plt.imshow(roi_cropped[10], cmap='gray')    
roi_ref_img = roi_cropped[0]

Next, how do I divide it into subset?

question from:https://stackoverflow.com/questions/66063774/region-of-interest-image-into-subset-with-python

Answer 1

Waitting for answers