发明名称 |
A method and apparatus for improving the display of greys in a two-tone digitised image. |
摘要 |
<p>A method and associated apparatus for enhancing the display or print of greys in a two-tone digitised image consisting of storing a portion of a binary image map including a central bit under examination to be displayed and in testing if the said central bit is representative of an isolated dot or whether in a region around the said central bit in one of a plurality of predetermined directions there is an isolated dot at a predetermined distance from the said central bit, to display the central bit as a dot of reduced dimensions in such a way as to convert the display of an isolated dot in the display into a plurality of smaller dots with aggregate areas equivalent to the isolated dot and distributed around the location of the isolated dot identified from the image map. <IMAGE></p> |
申请公布号 |
EP0626778(A1) |
申请公布日期 |
1994.11.30 |
申请号 |
EP19930830177 |
申请日期 |
1993.04.26 |
申请人 |
BULL HN INFORMATION SYSTEMS ITALIA S.P.A. |
发明人 |
ZULIAN, FERRUCCIO |
分类号 |
H04N1/405;(IPC1-7):H04N1/40 |
主分类号 |
H04N1/405 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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