sentientnativeplant's profile - activity

2019-05-02 16:59:47 -0600	asked a question	What is the best way to plot real time line graphs in opencv? What is the best way to plot real time line graphs in opencv? I have some opencv code which averages the pixel intensity
2019-04-30 04:15:12 -0600	received badge	● Enthusiast
2019-04-29 05:41:45 -0600	asked a question	How does the Gunnar Farneback algorithm find displacement? How does the Gunnar Farneback algorithm find displacement? I understand that the Gunner Farneback's optical flow functio
2019-04-17 13:34:15 -0600	commented answer	Drawing a rectangle and masking the outside area Thank you, that is what I was looking for.
2019-04-17 13:17:04 -0600	marked best answer	Drawing a rectangle and masking the outside area I wrote some code that uses background subtraction to measure movement. The above image shows the first frame (1), Original video (2), and movement via background subtraction (3). I was able to draw a rectangle during the video and I know that the value (-1) fills the rectangle. Is there a way to have everything outside of the rectangle be masked instead? That way I can reset the first frame and then only measure the inside of the rectangle.
2019-04-17 13:17:04 -0600	received badge	● Scholar (source)
2019-04-15 07:45:26 -0600	asked a question	Drawing a rectangle and masking the outside area Drawing a rectangle and masking the outside area I wrote some code that uses background subtraction to measure movemen