Number | Date | Country | Kind |
---|---|---|---|
63-054621 | Mar 1988 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4084196 | Tissue et al. | Apr 1978 | |
4575768 | Sakai et al. | Mar 1986 | |
4667227 | Ikeda | May 1987 | |
4667250 | Murai | May 1987 | |
4672433 | Yamamoto et al. | Jun 1987 | |
4731862 | Tsuda et al. | Mar 1988 | |
4748677 | Yokomizo | May 1988 | |
4751585 | Shibazaki | Jun 1988 | |
4827351 | Sakamoto | May 1989 | |
4876610 | Ohsawa et al. | Oct 1989 | |
4878125 | Katayama et al. | Oct 1989 |
Entry |
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"An Adaptive Algorithm for Spatial Gray Scale", in SID Digest, 1975, Floyd et al. |