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    • 3. 发明公开
    • Method of reconstructing an image
    • 威尔法罕zur Wiederherstellung eines Bildes
    • EP1933546A2
    • 2008-06-18
    • EP07023127.9
    • 2007-11-29
    • Pitney Bowes, Inc.
    • Cordery, Robert A.Haas, BertrandGou, Hongmei
    • H04N1/387
    • H04N1/387
    • A method of reconstructing an original image from a printed and scanned image (5) includes determining (10) a plurality of transformation parameters including a rotation α of the scanning grid relative to the printing grid and a plurality of translation parameters which give a position of a node on the printing grid in a coordinate system of the scanning grid, generating (15) a system of non-linear equations which represent the printed and scanned image as a function of: (i) the original image, (ii) a print/scan resolution ratio, and (iii) the transformation parameters, computing coefficients (20) for the system using the resolution ratio, the transformation parameters and the given print model, generating (25) a linear approximation of the system of non-linear equations, solving (30) the linear approximation for an approximation of the original image, and creating (35) a reconstructed original image from the approximation of the original image.
    • 一种从打印和扫描图像(5)重建原始图像的方法包括:确定(10)包括扫描网格相对于打印网格的旋转±的多个变换参数,以及多个转换参数,其给出 在扫描网格的坐标系中的打印网格上的节点,生成(15)表示作为以下功能的表示打印和扫描图像的非线性方程式的系统:(i)原始图像,(ii)打印 /扫描分辨率,以及(iii)变换参数,使用分辨率的系统的计算系数(20),变换参数和给定的打印模型,生成(25)非线性方程组的线性近似 求解(30)原始图像近似的线性近似,以及根据原始图像的近似创建(35)重建的原始图像。
    • 6. 发明公开
    • System and method for adding a graphic security element to a document at the time of printing
    • 系统和方法,用于在印刷插入图形安全元件到文档
    • EP2357782A1
    • 2011-08-17
    • EP10194302.5
    • 2010-12-09
    • Pitney Bowes Inc.
    • Haas, BertrandCordery, Robert A.
    • H04N1/32B41J2/085B41J2/09
    • H04N1/32203B41J2/08H04N1/32106H04N1/32219H04N1/32235H04N2201/3271H04N2201/3274
    • A method of printing an image having a graphic security element included therein includes receiving (42) main image data representing a main image, receiving (40) graphic security element data representing a graphic security element to be included in the main image, receiving (44) a request to print the main image, responsive to receiving the request to print the main image, determining (48) particular pixels of the main image data that are to be shifted based on the graphic security element data, and causing (50) a plurality of ink deposits to be deposited on the print medium based on the main image data including causing (52) the position of each of the ink deposits on the print medium that is determined to correspond to shifted pixels to be shifted relative to a normal position that would normally result from the main image data. Also, a system that implements the method is provided.
    • 在被包括在主图像,接收在打印具有包含在其内部包括接收表示主图像(42)的主图像数据,接收(40)表示的图形安全元件图形安全元件数据的图形安全元件的图像的方法(44 )到主图像,响应打印于接收请求以打印主图像,确定性采矿的请求(48)的主图像数据的特定的像素也将被基于图形的安全元件的数据移位,并且使(50)中的 积墨的多个基于所述主图像数据包括使打印介质上沉积(52),每个所述打印介质上的墨沉积的位置没有被确定性开采向移位像素对应于相对于正常位置偏移 并通常会从主图像数据结果。 所以,系统没有提供的方法实现。