Image analysis and machine vision should be an open-source field. I don't want to re-invent the wheel in this area. I have a few applications I would love to use such tech in, but I have shied away from the task due to the daunting work in entails.
Agreed, the camera should just take pictures. The high-level work should be handled by more powerful computer systems.
One approach that is being used is distributing the processing as well. Many of the high level functions do not need to be performed at the camera level. Putting the "low level" image functions in the camera reduces the amount of data that needs to be transmitted. The systems you speak of are capable of going through feature extraction at the camera level and then communicating that higher level information to a centralized system (or a hierarichy of processors) to provide system function.
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