This is an awesome project concept!
I really want to take this on but worry I wouldn’t have the time to finish it on an acceptable timeframe. Nonetheless, I have some questions:
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How open/closed is the project? Can the designer post the documentation and build logs, or is this a design you wish to keep under wraps?
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How many output hoppers to you imagine? In other words, how many categories can the machine sort in a single run?
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What’s the benchmark for success? Building the mechanics is one thing, but there is significant risk in getting the computer-vision classifier working perfectly, and is dependent on the design of the cards and the variation therein. What is an acceptable rate for false positives (category includes a wrong card) and false negatives (card is not identified and goes to an “unknown” bucket)?
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Is a training set available? Is there a database of all cards in existence that could be used?