公开(公告)号：US06270186B1

公开(公告)日：2001-08-07

申请号：US09453791

申请日：1999-12-03

申请人： Glenn K. Smith ,  Peter A. Torpey ,  Virgil Joseph Hull ,  Christopher R. Curtis

发明人： Glenn K. Smith ,  Peter A. Torpey ,  Virgil Joseph Hull ,  Christopher R. Curtis

IPC分类号： B41J2145

CPC分类号： G06K15/102 ,  B41J2/2132 ,  G06K2215/0094 ,  H04N1/58

摘要： The present invention provides a method for processing color image data for printing on an inkjet printer to reduce intercolor bleeding in an image recorded on a receiving medium. The method receives a target pixel comprising multiple separation pixels, wherein each separation is associated with a separate color plane and has at least three states, a first state corresponding to depositing no ink drops, a second state corresponding to depositing one ink drop, and a third state corresponding to depositing more than one ink drop. The method further includes determining if the target pixel is within a black border region near a black/color interface or within a color border region near a black/color interface. If the target pixel is within a black border region, the method replaces the target pixel with a black border output pixel derived from a black pixel modification pattern identifying an arrangement of separation pixels to deposit approximately one drop for each pixel location in the black pixel modification pattern. Similarly, if the target pixel is within a color border region near a black/color interface, the method replaces the target pixel with a color border pixel derived from a color pixel modification pattern identifying an arrangement of separation pixels for each non-black color plane that deposits approximately one drop for each pixel location.

摘要翻译： 本发明提供一种处理用于在喷墨打印机上打印的彩色图像数据的方法，以减少记录在接收介质上的图像中的色间渗色。 该方法接收包括多个分离像素的目标像素，其中每个分离与单独的彩色平面相关联并且具有至少三种状态，对应于不沉积墨滴的第一状态，对应于沉积一个墨滴的第二状态，以及 第三状态对应于沉积多于一个的墨滴。 该方法还包括确定目标像素是否在黑色/彩色界面附近的黑色边框区域内或黑色/彩色界面附近的颜色边界区域内。 如果目标像素在黑色边框区域内，则该方法用从识别分离像素的布置的黑色像素修改图案导出的黑色边框输出像素替换目标像素，以在黑色像素修改中为每个像素位置存储大约一个色阶 模式。 类似地，如果目标像素在黑色/彩色界面附近的颜色边界区域内，则该方法将用于识别每个非黑色平面的分离像素排列的彩色像素修改图案导出的颜色边框像素替换目标像素 它为每个像素位置存放大约一滴。

公开(公告)号：US06183062B2

公开(公告)日：2001-02-06

申请号：US09453792

申请日：1999-12-03

申请人： Christopher R. Curtis ,  Glenn K. Smith ,  Virgil Joseph Hull ,  Peter A. Torpey

发明人： Christopher R. Curtis ,  Glenn K. Smith ,  Virgil Joseph Hull ,  Peter A. Torpey

IPC分类号： B41J2145

CPC分类号： G06K15/102 ,  B41J2/2132 ,  G06K2215/0094 ,  H04N1/58

摘要： The present invention provides a method for processing color image data to maintain edge quality in an image recorded on a receiving medium. The method includes receiving a target pixel comprising multiple separation pixels, each separation being associated with a separate color plane and having at least three states, a first state corresponding to depositing no ink, a second state corresponding to depositing one ink drop, and a third state corresponding to depositing more than one ink drop; determining if the target pixel is within a black border region near a black/non-printed interface; and if so, setting the separation pixel associated with a black color plane to a selected black pixel state.

摘要翻译： 本发明提供一种处理彩色图像数据以保持记录在接收介质上的图像中的边缘质量的方法。 该方法包括：接收包括多个分离像素的目标像素，每个分离与单独的彩色平面相关联并且具有至少三种状态，对应于不沉积墨水的第一状态，对应于沉积一个墨滴的第二状态;以及第三 状态对应于沉积多于一个的墨滴; 确定目标像素是否在黑/非印刷界面附近的黑边区域内; 如果是，则将与黑色平面相关联的分离像素设置为所选择的黑色像素状态。