The only thing that really makes it more compact is that flo-control used a big box and a lamp to produce an ideal and consistent input image which took a pictu

The only thing that really makes it more compact is that flo-control used a big box and a lamp to produce an ideal and consistent input image which took a picture of the cat's head in silhouette. Honestly, the image acquisition method that the original system used combined with a modern ml based image classifier would probably work better than just hoping your camera can see it from the front.