mirror of
https://github.com/opencv/opencv.git
synced 2024-12-18 19:38:02 +08:00
50 lines
1.4 KiB
Python
50 lines
1.4 KiB
Python
|
#!/usr/bin/python
|
||
|
|
from opencv.cv import *
|
||
|
|
from opencv.highgui import *
|
||
|
|
import sys
|
||
|
|
|
||
|
|
if __name__ == "__main__":
|
||
|
|
laplace = None
|
||
|
|
colorlaplace = None
|
||
|
|
planes = [ None, None, None ]
|
||
|
|
capture = None
|
||
|
|
|
||
|
|
if len(sys.argv)==1:
|
||
|
|
capture = cvCreateCameraCapture( 0 )
|
||
|
|
elif len(sys.argv)==2 and sys.argv[1].isdigit():
|
||
|
|
capture = cvCreateCameraCapture( int(sys.argv[1]) )
|
||
|
|
elif len(sys.argv)==2:
|
||
|
|
capture = cvCreateFileCapture( sys.argv[1] )
|
||
|
|
|
||
|
|
if not capture:
|
||
|
|
print "Could not initialize capturing..."
|
||
|
|
sys.exit(-1)
|
||
|
|
|
||
|
|
cvNamedWindow( "Laplacian", 1 )
|
||
|
|
|
||
|
|
while True:
|
||
|
|
frame = cvQueryFrame( capture )
|
||
|
|
if not frame:
|
||
|
|
cvWaitKey(0)
|
||
|
|
break
|
||
|
|
|
||
|
|
if not laplace:
|
||
|
|
for i in range( len(planes) ):
|
||
|
|
planes[i] = cvCreateImage( cvSize(frame.width,frame.height), 8, 1 )
|
||
|
|
laplace = cvCreateImage( cvSize(frame.width,frame.height), IPL_DEPTH_16S, 1 )
|
||
|
|
colorlaplace = cvCreateImage( cvSize(frame.width,frame.height), 8, 3 )
|
||
|
|
|
||
|
|
cvSplit( frame, planes[0], planes[1], planes[2], None )
|
||
|
|
for plane in planes:
|
||
|
|
cvLaplace( plane, laplace, 3 )
|
||
|
|
cvConvertScaleAbs( laplace, plane, 1, 0 )
|
||
|
|
|
||
|
|
cvMerge( planes[0], planes[1], planes[2], None, colorlaplace )
|
||
|
|
|
||
|
|
cvShowImage("Laplacian", colorlaplace )
|
||
|
|
|
||
|
|
if cvWaitKey(10) != -1:
|
||
|
|
break
|
||
|
|
|
||
|
|
cvDestroyWindow("Laplacian")
|