G06V30/00
Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
G06V30/00
Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
G06V30/40
Document-oriented image-based pattern recognition
G06V30/40
Document-oriented image-based pattern recognition
G06V30/412
Layout analysis of documents structured with printed lines or input boxes, e.g. business forms or tables
G06V30/412
Layout analysis of documents structured with printed lines or input boxes, e.g. business forms or tables