mirror of
https://github.com/opencv/opencv.git
synced 2024-12-06 02:29:14 +08:00
53 lines
2.0 KiB
Python
Executable File
53 lines
2.0 KiB
Python
Executable File
#!/usr/bin/python
|
|
import sys
|
|
import urllib2
|
|
import cv2.cv as cv
|
|
|
|
src = 0
|
|
image = 0
|
|
dest = 0
|
|
element_shape = cv.CV_SHAPE_RECT
|
|
|
|
def Opening(pos):
|
|
element = cv.CreateStructuringElementEx(pos*2+1, pos*2+1, pos, pos, element_shape)
|
|
cv.Erode(src, image, element, 1)
|
|
cv.Dilate(image, dest, element, 1)
|
|
cv.ShowImage("Opening & Closing", dest)
|
|
def Closing(pos):
|
|
element = cv.CreateStructuringElementEx(pos*2+1, pos*2+1, pos, pos, element_shape)
|
|
cv.Dilate(src, image, element, 1)
|
|
cv.Erode(image, dest, element, 1)
|
|
cv.ShowImage("Opening & Closing", dest)
|
|
def Erosion(pos):
|
|
element = cv.CreateStructuringElementEx(pos*2+1, pos*2+1, pos, pos, element_shape)
|
|
cv.Erode(src, dest, element, 1)
|
|
cv.ShowImage("Erosion & Dilation", dest)
|
|
def Dilation(pos):
|
|
element = cv.CreateStructuringElementEx(pos*2+1, pos*2+1, pos, pos, element_shape)
|
|
cv.Dilate(src, dest, element, 1)
|
|
cv.ShowImage("Erosion & Dilation", dest)
|
|
|
|
if __name__ == "__main__":
|
|
if len(sys.argv) > 1:
|
|
src = cv.LoadImage(sys.argv[1], cv.CV_LOAD_IMAGE_COLOR)
|
|
else:
|
|
url = 'https://code.ros.org/svn/opencv/trunk/opencv/samples/c/fruits.jpg'
|
|
filedata = urllib2.urlopen(url).read()
|
|
imagefiledata = cv.CreateMatHeader(1, len(filedata), cv.CV_8UC1)
|
|
cv.SetData(imagefiledata, filedata, len(filedata))
|
|
src = cv.DecodeImage(imagefiledata, cv.CV_LOAD_IMAGE_COLOR)
|
|
|
|
image = cv.CloneImage(src)
|
|
dest = cv.CloneImage(src)
|
|
cv.NamedWindow("Opening & Closing", 1)
|
|
cv.NamedWindow("Erosion & Dilation", 1)
|
|
cv.ShowImage("Opening & Closing", src)
|
|
cv.ShowImage("Erosion & Dilation", src)
|
|
cv.CreateTrackbar("Open", "Opening & Closing", 0, 10, Opening)
|
|
cv.CreateTrackbar("Close", "Opening & Closing", 0, 10, Closing)
|
|
cv.CreateTrackbar("Dilate", "Erosion & Dilation", 0, 10, Dilation)
|
|
cv.CreateTrackbar("Erode", "Erosion & Dilation", 0, 10, Erosion)
|
|
cv.WaitKey(0)
|
|
cv.DestroyWindow("Opening & Closing")
|
|
cv.DestroyWindow("Erosion & Dilation")
|