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    • 5. 发明申请
    • METHOD OF IMAGE COMPENSATION FOR WATERMARKED FILM
    • 水印影像补偿方法
    • US20050135802A1
    • 2005-06-23
    • US10742167
    • 2003-12-19
    • Robert ZollaPaul Jones
    • Robert ZollaPaul Jones
    • G06T1/00G03B41/00
    • G06T1/0028
    • A method for obtaining an adjusted digital image which is compensated for a watermark exposure is described comprising: determining a first sensitometric response of a photographic media without a watermark exposure; determining a second sensitometric response of the photographic media with a watermark exposure; generating a look-up table (LUT) from the first and second sensitometric responses; and modifying a digital representation of an image which is to be printed onto the photographic media in accordance with the look-up table to produce an adjusted digital image. The adjusted digital image may be printed directly onto a final print photographic film that receives a watermark exposure, or may be printed onto a printing negative photographic film to produce a printing negative with an adjusted image, which adjusted image is then printed onto a final print photographic film that receives a watermark exposure. In another embodiment, the characteristic response of a digital film printer may be modified in accordance with a LUT generated from the first and second sensitometric responses, instead of modifying the digital representation of the image which is to be printed onto the photographic media.
    • 描述了一种用于获得补偿水印曝光的经调整的数字图像的方法,包括:确定没有水印曝光的照相介质的第一感光度响应; 使用水印曝光确定所述照相介质的第二感光度响应; 从所述第一和第二感光度响应生成查找表(LUT); 以及根据查找表修改要打印到照相介质上的图像的数字表示,以产生经调整的数字图像。 调整后的数字图像可以直接打印到接收水印曝光的最终打印摄影胶片上,或者可以打印到打印负片照相胶片上以产生具有调整图像的印刷负片,然后将经调整的图像印刷到最终印刷品上 摄影胶片接收水印曝光。 在另一个实施例中,可以根据从第一和第二感光度响应产生的LUT来修改数字胶片打印机的特征响应,而不是修改要打印到照相介质上的图像的数字表示。
    • 6. 发明申请
    • Method and apparatus for exposing a latent watermark on film
    • 用于在电影上暴露潜在水印的方法和装置
    • US20050063742A1
    • 2005-03-24
    • US10669069
    • 2003-09-23
    • James RoddyRobert ZollaLouis Horvath
    • James RoddyRobert ZollaLouis Horvath
    • G03B17/24G03B27/52G03B27/54
    • G03B17/245G03B27/521G03B27/547
    • A printing method and apparatus (100) for pre-exposing a digital watermark along a length of photosensitive medium at the time of manufacture is disclosed. The printing apparatus has an illumination source (60) for providing an exposure illumination, first and second LCD spatial light modulators (90a, 90b) for modulating the exposure illumination to form first and second exposure patterns according to image data, combining optics providing a single output path for directing both first and second exposure patterns onto the photosensitive medium and transport means for providing, during exposure, lengthwise displacement of the photosensitive medium with respect to the output path. The first and second exposure patterns form, lengthwise along the photosensitive medium, a latent image with modulated stripes having a predetermined intensity corresponding to the exposure patterns.
    • 公开了一种用于在制造时沿光敏介质的长度预曝光数字水印的打印方法和装置(100)。 打印设备具有用于提供曝光照明的照明源(60),用于根据图像数据调制曝光照明以形成第一和第二曝光图案的第一和第二LCD空间光调制器(90a,90b),组合提供单个 用于将第一和第二曝光图案指向感光介质的输出路径和用于在曝光期间提供感光介质相对于输出路径的纵向位移的传送装置。 第一和第二曝光图案沿着感光介质纵向地形成具有与曝光图案对应的预定强度的调制条纹的潜像。