A notable study published in 2013, "Pashto Isolated Character Recognition Using K-NN Classifier," explored ways to achieve better accuracy in Optical Character Recognition (OCR). It highlighted how K-Nearest Neighbor (K-NN) classifiers could uniquely identify alphabets, though they remained sensitive to variations in style and size.
: This era predated the move toward overly minimalist or "flat" designs that some users find less intuitive. pashtoxnx 2013 better