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Open Source Computer Vision Library
https://opencv.org/
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69 lines
2.3 KiB
69 lines
2.3 KiB
15 years ago
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#!/usr/bin/python
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import urllib2
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import sys
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import cv
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class Sketcher:
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def __init__(self, windowname, dests):
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self.prev_pt = None
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self.windowname = windowname
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self.dests = dests
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cv.SetMouseCallback(self.windowname, self.on_mouse)
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def on_mouse(self, event, x, y, flags, param):
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pt = (x, y)
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if event == cv.CV_EVENT_LBUTTONUP or not (flags & cv.CV_EVENT_FLAG_LBUTTON):
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self.prev_pt = None
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elif event == cv.CV_EVENT_LBUTTONDOWN:
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self.prev_pt = pt
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elif event == cv.CV_EVENT_MOUSEMOVE and (flags & cv.CV_EVENT_FLAG_LBUTTON) :
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if self.prev_pt:
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for dst in self.dests:
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cv.Line(dst, self.prev_pt, pt, cv.ScalarAll(255), 5, 8, 0)
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self.prev_pt = pt
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cv.ShowImage(self.windowname, img)
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if __name__=="__main__":
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if len(sys.argv) > 1:
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img0 = cv.LoadImage( sys.argv[1], cv.CV_LOAD_IMAGE_COLOR)
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else:
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url = 'https://code.ros.org/svn/opencv/trunk/opencv/samples/c/fruits.jpg'
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filedata = urllib2.urlopen(url).read()
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imagefiledata = cv.CreateMatHeader(1, len(filedata), cv.CV_8UC1)
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cv.SetData(imagefiledata, filedata, len(filedata))
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img0 = cv.DecodeImage(imagefiledata, cv.CV_LOAD_IMAGE_COLOR)
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print "Hot keys:"
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print "\tESC - quit the program"
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print "\tr - restore the original image"
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print "\ti or ENTER - run inpainting algorithm"
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print "\t\t(before running it, paint something on the image)"
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cv.NamedWindow("image", 1)
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cv.NamedWindow("inpainted image", 1)
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img = cv.CloneImage(img0)
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inpainted = cv.CloneImage(img0)
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inpaint_mask = cv.CreateImage(cv.GetSize(img), 8, 1)
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cv.Zero(inpaint_mask)
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cv.Zero(inpainted)
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cv.ShowImage("image", img)
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cv.ShowImage("inpainted image", inpainted)
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sk = Sketcher("image", [img, inpaint_mask])
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while True:
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c = cv.WaitKey(0) % 0x100
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if c == 27 or c == ord('q'):
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break
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if c == ord('r'):
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cv.Zero(inpaint_mask)
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cv.Copy(img0, img)
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cv.ShowImage("image", img)
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if c == ord('i') or c == ord('\n'):
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cv.Inpaint(img, inpaint_mask, inpainted, 3, cv.CV_INPAINT_TELEA)
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cv.ShowImage("inpainted image", inpainted)
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