| 摘要 |
PROCOSS AND APPARATUS FOR REDUCING PICTURE WITH FINE LINE DISAPPEARANCE PREVENTION OF THE DISCLOSVRE A process for reducing a picture by determining monochrome data of converted picture pixels according to logical calculations based on monochrome data of original picture pixels by using divisional regions o picture area according to a reduction rate, for avoiding disappearance of fine lines from the converted picture. The process includes the steps of: successively receiving monochrome data of original picture pixels in the vicinity of a converted picture pixel; producing data of a line susceptible to disappearance, such data being necessary for detecting pixels along a line in the converted picture which could disappear from the converted picture due to picture conversion; discriminating regions in which the converted picture pixels are located; calculating monochrome data of a converted picture pixel based on the genexated data a line susceptible to disappearance, data o regions in which the converted picture pixels ar located, and monochrome data of the original picture pixels; and producing a signal indicating the monochrome data;of the converted picture pixel according to the calculation of monochrome data of the converted picture pixel. |
