G - Physics – 06 – K
Patent
G - Physics
06
K
G06K 9/00 (2006.01) G06K 9/62 (2006.01) G06K 9/66 (2006.01) G06K 9/68 (2006.01)
Patent
CA 2105854
Data samples describing a plurality of micro-segments that compose a symbol to be recognized are received from a device such as an electronic pad. A preprocessor maps the micro-segments into cells of an array that has several feature dimensions. The preprocessor assigns values to the cells based on the length of a micro-segment associated with the cell, and how well the features of the associated micro-segment correspond to the feature label of the cell. The cell values are used as inputs to at least one of a plurality of neural networks, where each neural network is trained to identify symbols from a different group of symbols. A sorter examines the symbol to determine which neural network should be used to recognize the symbol. An output produced by the sorter controls a switching means that communicates the cell values to the proper neural network. The systemovercomes problems of previous systems, namely undue complexity and unacceptable error rates.
Lecun Yann Andre
Wu Quen-Zong
American Telephone And Telegraph Company
Kirby Eades Gale Baker
Motc Telecommunication Laboratories Dgt
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