发明名称 IMAGE AREA SEPARATION SYSTEM IN SMOOTHING INTERPOLATION
摘要 <p>PURPOSE:To obtain a better smoothing image by switching a smoothing system in accordance with an image part to be processed at the time of smoothing interpolation as line density conversion in a facsimile equipment or a printer. CONSTITUTION:This system is provided with a window memory part 4 of an (m) line (n) column window with the reference picture element of white/black binarized data in a center, a means (a changing point arithmetic operation part 5) counting the changing points of data in the window memory part 4 and a selector part 9 switching the smoothing interpolation system in accordance with the number of the changing points. Consequently, the smoothing image of either a character part or a dummy intermediate gradation part also attains a good quality by this system.</p>
申请公布号 JPH0654192(A) 申请公布日期 1994.02.25
申请号 JP19920200965 申请日期 1992.07.28
申请人 NEC CORP 发明人 KUSAKA TAMOTSU
分类号 H04N1/40;G06T3/40;H04N1/409;(IPC1-7):H04N1/40;G06F15/66 主分类号 H04N1/40
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