Replicate Dog vision

[chrisl68328119]

I want to create/edit some photos so that they are in the same colours a dog would see the world. Dogs are dicromatic so only see shades of yellow and blue, ive attached a link below with some information on it. Ive spent a fair ammount of trime trawling the web for something to help, ive found that dogs vision is simular to someone who suffers from the form of colour blindness called deuteranopia. Now photoshop has a filter that shows this effect (view>proof setup> Colour Blindness deuternaopia), however when you save the image the photo saves in its nomral colour profile. Is anyone able to point me to, or create a LUT, or tell me how to save the image so that it is how a dog would see it. 

TIA 
Chris

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[Stephen Marsh · Accepted solution]

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chrisl68328119 wrote:

or tell me how to save the image so that it is how a dog would see it. 

I can't vouch for how a dog sees things, however, I can tell you how to remove the magenta/green component, leaving the blue/yellow:

1. Image > Mode > Lab
2. Target/activate the "a" channel
3. Fill with 50% grey
4. Edit > Convert to Profile and select an appropriate RGB destination

[chrisl68328119]

 So followed your instructions and thats braught me fairly close but its not quite right. 
my attempt is  the left image, the original is the middle, dog vission is on the right 

[chrisl68328119]

i know i can just add gaussian blur to reduce the sharpness/clarity

[chrisl68328119]

Addiotnal:

ive just been pointed to this website, but i dont know how it translates to editing images in photoshop, the source java code and everything is there.

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