| 摘要 |
FIELD: technology for recognition of images, possible use for inputting graphic objects into computer, said objects being of varying drawing difficulty. ^ SUBSTANCE: device has two-dimensional optical filters made in form of geometric lengths in elementary recognition field, first one of which is positioned along upper or lower, second one - along left or right edge of elementary recognition field, and third and fourth portions are positioned along diagonal lines of elementary recognition field. ^ EFFECT: higher efficiency. ^ 4 dwg |
