Color Detection With OpenCV

--1: Color input image is loaded into the program

--2b. Trackbars are created with lower/ upper colorspace options,

--2c. Image, image mask and trackbars are displayed.

--2d. Mask is overlayed with imaged showing color selection. User selects color range with H,S,V trackbars.

--3a. H,S,V values indicate selected color. Note OpenCV HSV colorspace range is H: 0 - 180, S: 0 - 255, V: 0 – 255.

More info:

More detection examples and software code at:

For more examples of Raspberry PI image processing see: