why does it take gold standard data to detect face which data sets are available for face recognition? what data does a face recognition device need do i need gold standard data for face recognition does face recognition require gold standard is there any data that is available for face recognition? what data is required for face recognition are there any data requirements for face recognition what is gold standard data do you need gold standard data for face recognition what is gold standard data how to compare gold standard data with face recognition data what data do you need to use for face recognition why use the gold data what data is required for face recognition data what is gold standard data do you need gold standard data for facial recognition why do we have gold standard data what is the gold standard data why do you need a gold standard data source?