Ask Your Question

Joe95ec's profile - activity

2021-02-03 23:17:59 -0600 received badge  Notable Question (source)
2020-09-08 04:27:07 -0600 received badge  Popular Question (source)
2019-07-09 10:11:30 -0600 commented answer How can I get the values of the pixels that are inside a contour?

Thanks a lot! I didn't get the user selection as a contour but I made a binary image of the input image with a lower and

2019-07-09 09:34:04 -0600 marked best answer How can I get the values of the pixels that are inside a contour?

I'm developing an application that allows the user to load an image, make a selection of a certain region (by drawing a random closed shape) and I want to have the values of the pixels that are inside this region but I'm having trouble doing so. All the functionality of drawing the shape on top of the image I've done it with PyQt and later the image with the draw on it is passed to a function where I want to analyze it with OpenCV.

Here is an example of the input image:

image description

So basically I want to get the values of the pixels inside the red shape. I know OpenCV already has a ROI function, but unfortunately the ROI selection is a square shape and I can't make square selections. They have to be a shape drawn by the user.

2019-07-09 09:34:04 -0600 received badge  Scholar (source)
2019-07-08 01:15:34 -0600 received badge  Enthusiast
2019-06-27 15:18:24 -0600 asked a question How can I get the values of the pixels that are inside a contour?

How can I get the values of the pixels that are inside a contour? I'm developing an application that allows the user to