For audiovisual applications, the ultimate criteria has been the human perception, assessed in well calibrated subjective testing, which become objective criteria if performed with the right methodology.
What needs to be done if the beneficiaries of the coding, transmission, retrieval, rendering are not human, but machines performing actions?
The scene is set in more details in this presentation:
Presentation Machine Perception criteria added to Human Perception criter...
What is your view, how do you address such a matter?
What would you recommend?
Any significant publications in that domain?