Katie's profile - activity

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2020-08-11 12:25:16 -0600	received badge	● Famous Question (source)
2019-10-24 05:49:50 -0600	received badge	● Notable Question (source)
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2016-12-02 10:52:40 -0600	received badge	● Enthusiast
2016-11-30 14:50:25 -0600	commented answer	Error could not find a writer.... Thank you!
2016-11-30 14:50:13 -0600	received badge	● Scholar (source)
2016-11-29 09:54:09 -0600	asked a question	Error could not find a writer.... `import cv2 # 0 is refrencing first camera camera = cv2.VideoCapture(0) # range is repeating the indented code by whatever is in () for i in range(2): return_value, img = camera.read() cv2.imshow('opencv'+str(i)+'png',img) cv2.imwrite('opencv'+str(i)+'png',img) cv2.waitKey() del camera` It keeps telling me " error: (-2) could not find a writer for the specified extension in function cv:: imwrite_" Any ideas why?
2016-11-28 12:25:01 -0600	commented question	Counting strips I uploaded a photo
2016-11-28 12:16:39 -0600	commented answer	Comparing two images I revised my question. Is it clearer?
2016-11-28 12:15:26 -0600	received badge	● Editor (source)
2016-11-28 10:58:03 -0600	received badge	● Student (source)
2016-11-28 09:57:23 -0600	asked a question	Comparing two images I'm just getting started with OpenCV and I want to compare two similar images. I am trying to get a percentage back indicating their similarity. I am using sobel to filter out the horizontal lines and then i want to compare just the vertical lines in the image. I am using python and opencv3.0.
2016-11-28 09:51:51 -0600	received badge	● Supporter (source)
2016-11-27 20:06:29 -0600	asked a question	Counting strips I am trying to count the extruded pieces of polypropylene. I can filter out horizontal and vertical lines using sobel, but am having trouble figuring out how to count the strips. Any ideas? I uploaded a photo of my test box. I was thinking I could shoot the laser across, filter the horizontal lines, and then count how many times I see laser->no laser->laser->no laser etc. Or maybe get a percentage of how solid the line is and then relate that percentage to number of strips.