Number | Date | Country | Kind |
---|---|---|---|
9-212104 | Aug 1997 | JP | |
10-071094 | Mar 1998 | JP |
Number | Name | Date | Kind |
---|---|---|---|
5060278 | Fukumizu | Oct 1991 | |
5105468 | Guyon et al. | Apr 1992 | |
5479537 | Hamashima et al. | Dec 1995 | |
5862260 | Rhoads | Jan 1999 | |
6026177 | Mong et al. | Oct 1991 |
Number | Date | Country |
---|---|---|
05-028273 | Feb 1993 | JP |
Entry |
---|
Yasuko Takahashi et al., Character Extraction from Gray Images Based on Mathematical Morphology, Dec. 7-Sep. 1992, pp. 219-222. |
Yasuko Takahashi et al., Morphology Based Thresholding for Character Extraction, 10/93, pp. 1208-1215. |