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公开(公告)号：US06816604B2
公开(公告)日：2004-11-09
申请号：US09751471
申请日：2000-12-29
IPC分类号： G06K900
CPC分类号： H04N1/00267 , H04N1/00795 , H04N1/00816 , H04N1/38 , H04N1/40056 , H04N1/4076 , H04N2201/0408
摘要： One aspect of the invention is a method for locating an unexposed region of film. The method includes the step of illuminating film with a light source while the film has developing chemical applied thereto, the film comprising at least two edges along an x direction perpendicular to a y direction parallel to a surface of the film. The method also includes the step of identifying an unexposed region of the film as a region containing ones of a first plurality of columns of the film, the columns disposed generally in the y direction and captured using at least one sensor operable to capture light reflected from the film, and wherein a representative value for each of the ones of first plurality of columns exceeds a threshold.
摘要翻译： 本发明的一个方面是一种用于定位未曝光的膜的区域的方法。 该方法包括在薄膜具有显影化学品的情况下用光源照射薄膜的步骤，该薄膜包括沿垂直于平行于薄膜表面的y方向的x方向的至少两个边缘。 该方法还包括以下步骤：将膜的未曝光区域识别为包含膜的第一多个列中的一个的区域，所述区域大致沿y方向排列，并且使用至少一个传感器进行捕获，该传感器可操作以捕获从 并且其中，所述第一列中的每一列的代表值超过阈值。
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2.发明授权Method and system for estimating sensor dark current drift and sensor/illumination non-uniformities 失效用于估计传感器暗电流漂移和传感器/照明非均匀性的方法和系统公开(公告)号：US06707557B2
公开(公告)日：2004-03-16
申请号：US09753431
申请日：2001-01-02
申请人： Robert S. Young, Jr. , Richard D. Ball , Mark S. Bishop , Marc C. Digby , Christopher P. Hansen , Clyde W. Hinkle, II , Philip E. Cannata
发明人： Robert S. Young, Jr. , Richard D. Ball , Mark S. Bishop , Marc C. Digby , Christopher P. Hansen , Clyde W. Hinkle, II , Philip E. Cannata
IPC分类号： G01N2186
CPC分类号： H04N1/401 , H04N2201/0408
摘要： One aspect of the present invention is a system for estimating sensor and illumination non-uniformities. The system comprises a first light source, and a first sensor operable to capture light reflected from a first side of film illuminated by the light source while the film has a developer chemical applied thereto and processing circuitry coupled to the first sensor. The processing circuitry is operable to capture a first plurality of readings from the sensor responsive to light reflected from an unexposed region of film to determine a first set of non-uniformity data and adjust image data obtained from the film in response to the first set of non-uniformity data. In a further embodiment, the processing circuitry is further operable to dim the first light source for at least a portion of the time that the sensor is being used to sense the unexposed region of the film. The processing circuitry may also capture a second plurality of readings from the sensor while the first light source is dimmed to determine a second set of non-uniformity data and adjust image data obtained from the film in response to the second set of non-uniformity data.
摘要翻译： 本发明的一个方面是用于估计传感器和照明不均匀性的系统。 该系统包括第一光源和第一传感器，第一传感器可操作以捕获由光源照射的膜的第一侧反射的光，同时膜具有施加于其上的显影剂化学品和耦合到第一传感器的处理电路。 所述处理电路可操作以响应于从未曝光区域反射的光来从所述传感器捕获第一多个读数，以确定第一组不均匀性数据，并响应于所述第一组的第一组调整从所述胶片获得的图像数据 不均匀数据。 在另一个实施例中，处理电路还可操作以在传感器被用于感测胶片的未曝光区域的至少一部分时间内调暗第一光源。 当第一光源被调暗以确定第二组不均匀性数据并且响应于第二组非均匀性数据调整从胶片获得的图像数据时，处理电路还可以从传感器捕获第二多个读数 。
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3.发明授权Method and system for using calibration patches in electronic film processing 失效在电子薄膜加工中使用校准贴片的方法和系统公开(公告)号：US06439784B1
公开(公告)日：2002-08-27
申请号：US09640853
申请日：2000-08-17
IPC分类号： G03D500
摘要： A method and system (100) for using reference patches (108) to enhance electronic film processing of a scene image (104) contained on a first area of a film (112) include creating a reference patch (108) on a second area of the film (112); coating the film (112) with a developing solution to form a scene image (104) and a patch image (108); scanning the film (112) coated with the developing solution to generate signals corresponding to digital representations of the scene image (104) and the patch image (108); calculating image processing parameters from the signals associated with the patch image (108); and processing the digital representations of the scene image (104) using the image processing parameters calculated from the patch image (108) to produce color values which more accurately reflect the original scene and which are pleasing to the eye.
摘要翻译： 一种用于使用参考补片（108）来增强包含在胶卷（112）的第一区域上的场景图像（104）的电子胶片处理的方法和系统（100）包括在第一区域 胶片（112）; 用显影液涂覆薄膜（112）以形成场景图像（104）和斑块图像（108）; 扫描涂有显影液的胶片（112）以产生对应于场景图像（104）和斑块图像（108）的数字表示的信号; 从与所述补丁图像（108）相关联的信号计算图像处理参数; 以及使用从补丁图像（108）计算出的图像处理参数来处理场景图像（104）的数字表示，以产生更准确地反映原始场景并且对于令人愉悦的颜色值。
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公开(公告)号：US06915021B2
公开(公告)日：2005-07-05
申请号：US09728365
申请日：2000-11-30
CPC分类号： H04N1/409 , H04N1/6072
摘要： A method and apparatus for selectively applying image enhancement processing to parts of an image. In one embodiment, spatial processing transformations, such as sharpening for example, are reduced or bypassed for pixels having color code values within a range known to be adversely affected by the spatial processing transformations. In another embodiment, color correction processing transformations are bypassed for pixels having color code values within a neutral color range. These neutral colors may have a gray-correction transformation applied in order to better separate the neutral colors from the other colors. According to another embodiment, color code values for pixels are transformed to two or more different color spaces. If a color correction transformation will have adverse affects on a pixel in one color space, corrected data from a different color space can be utilized for the pixel.
摘要翻译： 一种用于对图像的部分选择性地应用图像增强处理的方法和装置。 在一个实施例中，对于具有已知受到空间处理变换的不利影响的范围内的颜色代码值的像素，空间处理变换（例如，锐化）被减少或旁路。 在另一个实施例中，对于具有在中性色范围内的颜色代码值的像素，旁路颜色校正处理变换。 这些中性色可能会应用灰度校正变换，以便更好地将中性色与其他颜色分开。 根据另一实施例，用于像素的颜色代码值被变换为两个或更多个不同的颜色空间。 如果颜色校正变换将对一个颜色空间中的像素产生不利影响，则可以对该像素利用来自不同颜色空间的校正数据。
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公开(公告)号：US06985585B2
公开(公告)日：2006-01-10
申请号：US09822960
申请日：2001-03-30
IPC分类号： H04N7/50
CPC分类号： H04K1/00 , G09C5/00 , H04L9/3066 , H04L9/3093
摘要： A method for the encryption and decryption of digital images based on cyclotomic polynomials and radiometric expressions comprising the steps of generating an encrypting transform, partitioning the digital images into data blocks, along with encrypting, transmitting, and decrypting the data blocks. Three common radiometric expressions are fundamental metamers, black metamers, and radiometric functions. In one embodiment, the mathematical equation that represents the encrypting transform is a cyclotomic polynomial. In another embodiment, a cyclotomic polynomial is used to calculate the coefficients of the mathematical equation that represents the encrypting transform. In other embodiments, the encrypting transform is generated with a radiometric expression, and the encrypted data blocks are calculated with a radiometric expression.
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