Inventor
HONGU TAKAHIRO
JP14 patents
Patents
14 patentsUS6757427B1Jun 29, 2004
Edge enhancement preprocessing with image region determining function
NEC CORP83 citations97
US5867600AFeb 2, 1999
Image coding method and system for providing reduced bit rate arithmetic codes
NEC CORP90 citations97
US6016361AJan 18, 2000
Method and apparatus for compressing binary data using pattern matching encoding
NEC CORP102 citations96
US6327384B1Dec 4, 2001
Character recognition apparatus and method for recognizing characters
NEC CORP76 citations95
US5555323ASep 10, 1996
System for bi-level symbol coding/decoding with saved storage and method for same
NEC CORP48 citations92
US5491564AFeb 13, 1996
Data compression method and apparatus for binary image using Markov model encoding
NEC CORP21 citations92
US5319463AJun 7, 1994
Arrangement and method of preprocessing binary picture data prior to run-length encoding
NEC CORP80 citations92
US5587808ADec 24, 1996
Image processing apparatus for identifying character, photo and dot images in image area
NEC CORP20 citations89
US5872639AFeb 16, 1999
Multi-function facsimile apparatus connectible to computers and communication lines
NEC CORP10 citations73
US6122402ASep 19, 2000
Pattern encoding and decoding method and encoder and decoder using the method
NEC CORP13 citations72
US6701022B2Mar 2, 2004
Pattern matching coding device and method thereof
NEC CORP9 citations69
US6690375B2Feb 10, 2004
Line segment detector
NEC CORP8 citations66
US6574367B1Jun 3, 2003
Method and apparatus for pattern matching encoding
NEC CORP2 citations61
US6553144B1Apr 22, 2003
Coding method and coding apparatus for bi-level document image
NEC CORP6 citations61