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(QuditRegisterState, CandidateSet) -> CandidateIndex
Identify a target image from $n$ candidates using a Hilbert space of dimension smaller than $n$ via quantum state classification.
Problem it solves
Standard quantum search/discrimination scales poorly when candidate set sizes exceed the physical qudit dimension limit.
Consumes
Emits
The real projects this mechanism was found in. Attribution is the point — this is how the best teams actually do it.