‘‘‘
Created?on?2017年8月19日

@author:?XuTing
‘‘‘
#?import?the?necessary?packages
import?imutils
from?skimage.transform?import?pyramid_gaussian
import?cv2
?
def?pyramid（image?scale=1.5?minSize=（30?30））:
????#?yield?the?original?image
????print（‘（H:{}W:{}）‘.format（image.shape[0]?image.shape[1]））
#?????yield?image
?
?
????#?compute?the?new?dimensions?of?the?image?and?resize?it
????w?=?int（image.shape[1]?/?scale）
????image?=?imutils.resize（image?width=w）
????print（‘resize=（H:{}W:{}）‘.format（image.shape[0]?image.shape[1]））
????#?if?the?resized?image?does?not?meet?the?supplied?minimum
????#?size?then?stop?constructing?the?pyramid
????if?image.shape[0]?????????print（“Out?of?size!“）
????else:
????????yield?image

def?pyramid2（image?scale=1.5?minSize=（30?30））:
????#?yield?the?original?image
????yield?image
?
????#?keep?looping?over?the?pyramid
????while?True:
????????#?compute?the?new?dimensions?of?the?image?and?resize?it
????????w?=?int（image.shape[1]?/?scale）
????????image?=?imutils.resize（image?width=w）
????????print（‘（H:{}W:{}）‘.format（image.shape[0]?image.shape[1]））
?
????????#?if?the?resized?image?does?not?meet?the?supplied?minimum
????????#?size?then?stop?constructing?the?pyramid
????????if?image.shape[0]?????????????print（“Out?of?size!“）
????????????break
????????#?yield?the?next?image?in?the?pyramid
????????yield?image????????
def?sliding_window（image?stepSize?windowSize）:
????#?slide?a?window?across?the?image
????for?y?in?range（0?image.shape[0]?stepSize）:
????????for?x?in?range（0?image.shape[1]?stepSize）:
????????????#?yield?the?current?window
????????????yield?（x?y?image[y:y?+?windowSize[1]?x:x?+?windowSize[0]]）
????????????
if?__name__?==?‘__main__‘:
????image?=?cv2.imread（‘../image/cat2.jpg‘）??
????#?METHOD?#2:?Resizing?+?Gaussian?smoothing.
????for?（i?resized）?in?enumerate（pyramid_gaussian（image?downscale=2））:
????????#?if?the?image?is?too?small?break?from?the?loop
????????if?resized.shape[0]?????????????break
????????#?show?the?resized?image
????????WinName?=?“l(fā)ayer?{}“.format（i?+?1）
????????cv2.imshow（WinName?resized）
????????cv2.waitKey（0）
????????resized?=?resized*255
????????cv2.imwrite（‘./‘+WinName+‘.jpg‘resized）

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-11-20?21:39??MyImage_Sliding\
?????文件????????2382??2017-11-20?21:54??MyImage_Sliding\helpers.py
?????文件????????1453??2017-11-20?21:27??MyImage_Sliding\Image_Sliding_differentPic.py
?????文件????????1747??2017-11-20?21:52??MyImage_Sliding\Image_Sliding_differentWindow.py
?????文件????????1419??2017-11-20?21:13??MyImage_Sliding\Image_Sliding_Same.py
?????文件??????148262??2017-11-20?21:31??MyImage_Sliding\layer?1.jpg
?????文件???????50166??2017-11-20?21:31??MyImage_Sliding\layer?2.jpg
?????文件???????15116??2017-11-20?21:31??MyImage_Sliding\layer?3.jpg
?????文件????????5521??2017-11-20?21:31??MyImage_Sliding\layer?4.jpg
?????文件????????2307??2017-11-20?21:31??MyImage_Sliding\layer?5.jpg
?????文件????????1241??2017-08-19?20:03??MyImage_Sliding\pyramid.py
?????目錄???????????0??2017-11-20?21:54??MyImage_Sliding\__pycache__\
?????文件????????1862??2017-11-20?21:54??MyImage_Sliding\__pycache__\helpers.cpython-35.pyc