Help: Using CV to recognize angles and lines from a picture

Hello, sorry if this sounds dumb. I am an animal geneticist, so all of this is well outside my comfort zone.

I am trying to have a program built that can have an image of a horse input, and the output would give values for the horse's conformation. (Horse conformation is how the horse is built structurally and the angles of key joints. )

My thought process is to start with the base of facial recognition, using eigenvectors to turn …

computervision cv