How to extract the red layer from BayerRG8 file with VBAI?

Dear readers,
We're currentely trying to build a inspection program using a CVS and two cameras.
A first question to help us: How can we extract the red layer from a Bayer RG8 image?
To illustrate a lit bit more: lets take a picture of chilis and tomatoes plants. We would like to extract the red color of the picture to know where the vegetable are and if they are eatable.
So, in a first time, we just want to see the red layer of the picture.
On a second step, we would like to extract the poistion of the red areas and rank them according to intensities and store all the relevant data in a .txt file.
Thank in advance for the time you will spend on that topic.
Regards

Maybe including a picture with the info you want would help. It sounds like you could use a detect object step (which works with color images), and you could get the position of all red objects. I would also recommend using the Hue plane instead of the Red plane to look for color since this is more robust to lighting changes. Once you have the bounding box for each red object, you can create a programmatic ROI around it and use the Measure Color step to get detailed color information about your reb objects. Here's a sample inspection that uses colored candy to give you an example of what I'm suggesting. Let us know if more specifically what you are looking for if this doesn't help. The example is in VBAI 2012. Let us know what version of VBAI you are using because this may affect what functionality you can use.
Thanks,
Brad
Attachments:
Color Example.zip ‏358 KB

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