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How much oranger do red orange bags make oranges look?

Look at this orange: Now look at this orange: It’s the same orange. But, look how much more orange it looks with the red mesh on top of it: If you buy bags of oranges (at least at many places in the US), they frequently come in this red mesh bag. This bag makes the oranges look more orange. Oranger. Here’s what that looks like at a local grocery store1:

I thought this difference would be visible if we did some quick and tricky digital math: what if we had a picture of the orange with and without the bag under the same light and camera conditions, then checked the average pixel? I found the pixel locations of the square I wanted, then I translated those coordinates into specific offsets for a sips command (Scriptable Image Processing System), which I learned about today. This was also a great example of how much easier this experimentation is with LLMs — being able to easily discover tools for cropping or pixel evaluation meant that the time from idea to proof of concept was very, very short.

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