Count number of pixels with certain color value range

Asked Sep 03 '21 at 12:30

Active Sep 03 '21 at 13:41

Viewed 590 times

I need to count the number of pixels in an image (loaded via OpenCV in Python), which have a certain color.

However, I don't need to count one specific color (= RGB combo), but also pixels with a color close to that color I am looking for.

See for example this image:

Here I need to count the number of pixels that have this light green-blue color. But as you can see there is not only one single RGB combo with this color, there is a range of colors in this green-blue-ish tone.

What would be a fast way to count not only those pixels with a certain color value but also pixels that are "close" to this value?

edited Sep 03 '21 at 13:41

asked Sep 03 '21 at 12:30

Matthias

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have you checked this, I think you are looking for `cv2.inrange()` where you specify an range for which you want to create mask – Epsi95 Sep 03 '21 at 12:37
1

@Epsi95 That looks great, thanks! – Matthias Sep 03 '21 at 14:00

Count number of pixels with certain color value range

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