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1. 发明申请

US20070110301A1 Gamut selection in multi-engine systems 失效
标题翻译：多引擎系统中的色域选择
公开(公告)号：US20070110301A1
公开(公告)日：2007-05-17
申请号：US11274638
申请日：2005-11-15
申请人： Wencheng Wu , Edul Dalal , Zhigang Fan
发明人： Wencheng Wu , Edul Dalal , Zhigang Fan
IPC分类号： G06K9/00
CPC分类号： H04N1/603 , G06K9/00449
摘要： In preparation for rendering respective portions of a document via a respective plurality of engines, objects within the document are identified and characterized. A determination is made as to whether gamut variations between the engines might result in objectionable variations in the appearance of rendered versions of identified objects having similar characteristics. For those objects within the document for which the determination is made that variations might be objectionable, a target gamut is selected to be an intersection gamut of the engines to be used to render the document. For those objects within the document for which the determination is made that variations would be unobjectionable, the target gamut is selected to be that of selected individual engines. A system for selecting target gamuts for objects within a document can include an object identifier, a characteristic identifier and a gamut selector.
摘要翻译：在准备通过相应的多个引擎呈现文档的各个部分时，识别和表征文档内的对象。确定发动机之间的色域变化是否可能导致具有相似特征的识别对象的渲染版本的外观的令人反感的变化。对于确定变化可能令人反感的文档中的那些对象，目标色域被选择为用于呈现文档的引擎的交叉色域。对于确定变化是无反应的文档中的那些对象，目标色域被选择为所选择的各个引擎的目标色域。用于为文档中的对象选择目标色域的系统可以包括对象标识符，特征标识符和色域选择器。

2. 发明申请

US20050286742A1 Dynamic test pattern composition for image-analysis based automatic machine diagnostics 有权
标题翻译：用于基于图像分析的自动机器诊断的动态测试图案组合
公开(公告)号：US20050286742A1
公开(公告)日：2005-12-29
申请号：US10878265
申请日：2004-06-28
申请人： D. Rasmussen , Meera Sampath , Edul Dalal
发明人： D. Rasmussen , Meera Sampath , Edul Dalal
IPC分类号： B41J29/393 , G06K9/00
CPC分类号： B41J29/393 , H04N1/00002 , H04N1/00005 , H04N1/00015 , H04N1/00018 , H04N1/00034 , H04N1/00045 , H04N1/0005 , H04N1/00063 , H04N1/00068 , H04N1/00087
摘要： The present invention is directed to a system and method for test target selection in conjunction with dynamic test pattern generation. In the invention, a test pattern page(s) is composed using an optimal set of test targets, which can be accommodated or adjusted to fit within size constraints of the test pattern. The method of the present invention makes use of layout optimization to ensure that related and optimized test targets are accommodated on a single test pattern. For example, it may be preferable to “squeeze in” a smaller-than-normal uniform area target, rather than not to print it at all during a test.
摘要翻译：本发明涉及一种结合动态测试图形生成的测试目标选择的系统和方法。在本发明中，测试图案页面是使用最佳的一组测试目标来构成的，该测试目标可被容纳或调整以适应测试图案的尺寸限制。本发明的方法利用布局优化来确保相关和优化的测试目标被容纳在单个测试图案上。例如，优选的是“挤压”小于正常的均匀面积目标，而不是在测试期间根本不打印它。

3. 发明授权

US08211600B2 Toner compositions 有权
公开(公告)号：US08211600B2
公开(公告)日：2012-07-03
申请号：US13214193
申请日：2011-08-21
申请人： Daryl Vanbesien , Karen Moffat , Yi Xin Gong , Edul Dalal , Jing Wang , Richard Veregin , Jordan Wosnick , Cuong Vong , Valerie Farrugia
发明人： Daryl Vanbesien , Karen Moffat , Yi Xin Gong , Edul Dalal , Jing Wang , Richard Veregin , Jordan Wosnick , Cuong Vong , Valerie Farrugia
IPC分类号： G03G9/09
CPC分类号： G03G9/0906 , G03G9/0804 , G03G9/08755 , G03G9/08782 , G03G9/091 , G03G9/0926
摘要： The present disclosure provides processes for producing images of excellent color fidelity when incorporating a magenta toner with a lower colorant loading in addition to a first magenta toner. In embodiments, the magenta pigmented particles may be magenta emulsion aggregation toners. In accordance with the present disclosure, a pair of magenta toners are matched in color, wherein the color of a first magenta toner printed at a predetermined halftone area coverage on a substrate substantially matches the color of the solid (100%) printed patch of the second magenta toner, which is lighter than the first magenta toner, thus avoiding a visible hue shift on the print that would otherwise be objectionable. In embodiments, the light magenta toner is color matched by adding a hue-adjusting colorant or combination of colorants which absorb wavelengths of light between 400 and 500 nanometers, and optionally adding a shade-adjusting colorant or combination of colorants which absorb wavelengths of light between 600 and 700 nanometers.

4. 发明申请

US20070058222A1 Intelligent trapping 有权
标题翻译：智能捕捉
公开(公告)号：US20070058222A1
公开(公告)日：2007-03-15
申请号：US10997316
申请日：2004-11-23
申请人： Edul Dalal , D. Rasmussen , Peter Crean
发明人： Edul Dalal , D. Rasmussen , Peter Crean
IPC分类号： G03F3/08 , H04N1/60
CPC分类号： H04N1/58
摘要： This invention relates to a method and apparatus for implementing a trapping operation on a digital image during image processing. Some embodiments of the present invention provide an intelligent trapping process to compensate for registration errors or halo effect errors by an imaging device. At various times, a set of customized trapping parameters may be determined for the device based on its actual or estimated performance. The imaging device may be checked automatically on a periodic basis, in response to an event, or upon request. The trapping parameters may be unidirectional and may vary temporally or spatially. The imaging device can then print images based on its customized set of trapping parameters.
摘要翻译：本发明涉及一种用于在图像处理期间对数字图像进行捕获操作的方法和装置。本发明的一些实施例提供智能捕获过程以补偿成像装置的配准误差或光晕效应误差。在不同时间，可以基于其实际或估计的性能来为装置确定一组定制的捕获参数。可以根据事件或者根据要求周期性地自动检查成像装置。捕获参数可以是单向的，并且可以在时间上或空间上变化。然后，成像装置可以基于其定制的捕获参数集来打印图像。

5. 发明申请

US20070056458A1 Non-offset image forming device with stimulated ink key interface and method 有权
标题翻译：具有刺激墨水键接口和方法的非偏移图像形成装置
公开(公告)号：US20070056458A1
公开(公告)日：2007-03-15
申请号：US11214912
申请日：2005-08-31
申请人： Edul Dalal , D. Rasmussen , Norman Zeck
发明人： Edul Dalal , D. Rasmussen , Norman Zeck
IPC分类号： B41F33/00
CPC分类号： H04N1/407 , G03G15/5016 , G03G15/5075 , G03G2215/00109
摘要： An ink key simulator for image forming devices may simulate the effect of ink key adjustments in offset presses. The image adjustment may be made in response to activation of a simulated ink key, for example, by adjusting the pixel values of the stored data and/or by adjusting imaging light source intensity within a given region of the image. Using the ink key simulator, adjustments to image quality from printers may be made on-the-fly using an interface which is familiar to the operators of offset presses.
摘要翻译：用于图像形成装置的墨水键模拟器可以模拟胶版印刷机中的墨键调节的效果。可以例如通过调整存储的数据的像素值和/或通过调整图像的给定区域内的成像光源强度来响应于模拟墨水键的激活而进行图像调整。使用墨水键模拟器，可以使用胶版印刷机的操作者熟悉的界面来即时地对打印机的图像质量进行调整。

6. 发明申请

US20070216746A1 Page scheduling for printing architectures 有权
标题翻译：打印架构的页面调度
公开(公告)号：US20070216746A1
公开(公告)日：2007-09-20
申请号：US11378046
申请日：2006-03-17
申请人： Charles Rizzolo , Edul Dalal , Dusan Lysy , Dale Mashtare , R. Klassen , Wencheng Wu , Nancy Goodman
发明人： Charles Rizzolo , Edul Dalal , Dusan Lysy , Dale Mashtare , R. Klassen , Wencheng Wu , Nancy Goodman
IPC分类号： G03G15/01
CPC分类号： G03G15/238 , G03G2215/0119
摘要： At least sequential current and subsequent sheets of a print job are received in a document processing system. Each sheet includes a front image and a back image. The received sheets are scheduled to be printed with at least one of a first and a second sequence by at least one of a first and a second marking engine based on a comparison of the image content in corresponding selected portions of each front and back image.
摘要翻译：在文档处理系统中接收打印作业的至少连续的当前和后续页。每张纸包括前图像和后图像。基于每个前后图像的对应选择部分中的图像内容的比较，所接收的纸张被安排为由第一和第二标记引擎中的至少一个打印的第一和第二序列中的至少一个。

7. 发明申请

US20070041745A1 Modular marking architecture for wide media printing platform 失效
标题翻译：宽媒体打印平台的模块化标记架构
公开(公告)号：US20070041745A1
公开(公告)日：2007-02-22
申请号：US11208871
申请日：2005-08-22
申请人： Edul Dalal , Mark Jackson
发明人： Edul Dalal , Mark Jackson
IPC分类号： G03G15/22
CPC分类号： G03G15/5029 , G03G15/16 , G03G15/6594 , G03G2215/00016 , G03G2215/00021 , G03G2215/00468
摘要： In one embodiment, a printing platform is illustrated which includes two or more marking modules offset perpendicular to a process direction to create an aggregate imageable area that is wider than an imageable area of any of the individual marking modules.
摘要翻译：在一个实施例中，示出了印刷平台，其包括垂直于过程方向偏移的两个或更多个标记模块，以产生比任何单个标记模块的可成像区域更宽的聚集可成像区域。

8. 发明申请

US20060274337A1 Inter-separation decorrelator 有权
公开(公告)号：US20060274337A1
公开(公告)日：2006-12-07
申请号：US11143818
申请日：2005-06-02
申请人： Edul Dalal , Wencheng Wu , Robert Loce , Raja Bala , Yeqing Zhang , Norman Zeck
发明人： Edul Dalal , Wencheng Wu , Robert Loce , Raja Bala , Yeqing Zhang , Norman Zeck
IPC分类号： G06F15/00
CPC分类号： H04N1/6038 , H04N1/6041
摘要： Spatially dependent colorant interaction effects are identified and isolated from other aspects of spatially dependent colorant appearance nonuniformities. A decorrelating function for compensating for the identified spatially dependent colorant interaction effects is determined. Spatially dependent single colorant compensating functions for compensating for the other aspects of the spatially dependent colorant appearance nonuniformities may also be determined. Image data is processed through the decorrelating function, thereby generating colorant values that are compensated for spatially dependent colorant interaction effects. Optionally, image data is also processed through the spatially dependent single colorant compensating functions, thereby generating colorant values that are compensated for both aspects of colorant appearance nonuniformities. The two kinds of compensating functions may be determined, calibrated and/or stored at different spatial and temporal frequencies or resolutions. One or both of the compensating functions may be employed to maintain consistency across a plurality of rendering devices (e.g., marking engines).

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