Number | Name | Date | Kind |
---|---|---|---|
3611267 | Edling | Oct 1971 | |
3805239 | Watanabe | Apr 1974 | |
3813485 | Arps | May 1974 | |
3927251 | White et al. | Dec 1975 | |
4000397 | Hebert et al. | Dec 1976 | |
4072818 | Coviello | Feb 1978 | |
4091424 | Widergren | May 1978 | |
4143401 | Coviello | Mar 1979 | |
4264808 | Owens et al. | Apr 1981 | |
4326258 | de la Guardia | Apr 1982 | |
4468703 | Fujiwara et al. | Aug 1984 |
Entry |
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Frei et al., "Fast Boundary Detection: a Generalization and a New Algorithm", Digital Image Processing (Andrews, ed.), IEEE Cat. #EHO 133-9, 1978, pp. 556-566. |
D. G. Abraham, Rotating Image Data, Sep. 1978, IBM Technical Disclosure Bulletin, vol. 21, No. 4, pp. 1424-1426. |