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1. 发明申请

US20050259276A1 Methods, systems, and media to calibrate a reprographic system 有权
标题翻译：用于校准复制系统的方法，系统和媒体
公开(公告)号：US20050259276A1
公开(公告)日：2005-11-24
申请号：US10403971
申请日：2003-03-28
申请人： James Smith , Hong Li , Joseph Czyszczewski , Mikel Stanich
发明人： James Smith , Hong Li , Joseph Czyszczewski , Mikel Stanich
IPC分类号： G06F3/12 , H04N1/407 , H04N1/60
CPC分类号： H04N1/4072 , H04N1/60
摘要： Methods, systems, and media to calibrate a reprographic system are disclosed. Embodiments of the invention may calibrate a component like scanner and/or printer in response to user input and/or coupling the component to the reprographic system. More specifically, embodiments may generate a curve that describes tone differences between an image scanned by a scanner or an image printed by the printer by comparing the outputs to acceptable tone descriptions for the image. Some embodiments comprise a graphical user interface (GUI) to communicate with the user, allowing the user to select user preference curves to change, for example, the brightness of an image being copied. Some embodiments incorporate network and phone system interfaces to communicate with remote components as well as to receive input from and/or output to other systems via email, facsimile, etc.
摘要翻译：公开了用于校准复制系统的方法，系统和介质。本发明的实施例可以响应于用户输入和/或将组件耦合到复制系统来校准诸如扫描仪和/或打印机的组件。更具体地，实施例可以生成描述由扫描仪扫描的图像或由打印机打印的图像之间的色差的曲线，通过将输出与图像的可接受的色调描述进行比较。一些实施例包括与用户通信的图形用户界面（GUI），允许用户选择用户偏好曲线来改变例如被复制的图像的亮度。一些实施例将网络和电话系统接口与远程组件进行通信，以及通过电子邮件，传真等从其他系统接收和/或输出输入。

2. 发明申请

US20050069220A1 Detecting and compensating for color misregistration produced by a color scanner 有权
标题翻译：检测和补偿由彩色扫描仪产生的颜色重合失调
公开(公告)号：US20050069220A1
公开(公告)日：2005-03-31
申请号：US10672234
申请日：2003-09-25
申请人： Joseph Czyszczewski , Hong Li , James Smith , Mikel Stanich , Gerhard Thompson , Chai Wu
发明人： Joseph Czyszczewski , Hong Li , James Smith , Mikel Stanich , Gerhard Thompson , Chai Wu
IPC分类号： G06K9/00 , G06K9/32 , G06K9/40 , H04N1/58
CPC分类号： H04N1/58
摘要： A method, computer program product and system for detecting and compensating for color misregistration. A black/white edge or a solid color edge on a target may be scanned. A black/white edge may refer to a black image, e.g., black text, on a white surrounding background having a rapid spatial transition from black to white. A solid color edge may refer to a solid color image, e.g., solid color text, on a white surrounding background having a rapid spatial transition from color to white. A curve of gray values versus spatial pixel positions for each color channel, e.g., red, green and blue color channels, may be generated. A misregistration error may then be calculated by calculating the offset between the color channel curves. The misregistration error may then be used to calibrate the scanner to compensate for the detected color misregistration.
摘要翻译：一种用于检测和补偿颜色错配的方法，计算机程序产品和系统。可以扫描目标上的黑色/白色边缘或纯色边缘。黑白边缘可以指白色周围背景上的黑色图像，例如黑色文本，其具有从黑色到白色的快速空间转变。纯色边缘可以指在白色周围背景上具有从颜色到白色的快速空间转变的纯色图像，例如纯色文本。可以生成灰度值与每个颜色通道（例如红色，绿色和蓝色通道）的空间像素位置的曲线。然后可以通过计算颜色通道曲线之间的偏移来计算重合失误。然后可能会使用重合失误来校准扫描仪以补偿检测到的颜色重合失调。

3. 发明申请

US20060171602A1 Method and system for using a look-up table for a linear operation in image processing 审中-公开
标题翻译：在图像处理中使用查找表进行线性运算的方法和系统
公开(公告)号：US20060171602A1
公开(公告)日：2006-08-03
申请号：US11045372
申请日：2005-01-31
申请人： Larry Ernst , Hong Li , Yue Qiao , Mikel Stanich , Chai Wu
发明人： Larry Ernst , Hong Li , Yue Qiao , Mikel Stanich , Chai Wu
IPC分类号： G06K9/36 , G06K9/40 , G06K9/64
CPC分类号： G06T5/00 , G06T2200/28
摘要： A method and system obtains a linear combination in accordance with an image processing algorithm using at least one lookup table that is indexed by at least one subset of bits from a set of pixels in an image.
摘要翻译：方法和系统根据图像处理算法获得线性组合，所述图像处理算法使用至少一个查找表，该查找表由图像中的一组像素的至少一个比特子集索引。

4. 发明申请

US20060244981A1 System and method for multi-bit halftoning 失效
公开(公告)号：US20060244981A1
公开(公告)日：2006-11-02
申请号：US11117426
申请日：2005-04-29
申请人： Hong Li , Mikel Stanich , Gerhard Thompson , Chai Wu
发明人： Hong Li , Mikel Stanich , Gerhard Thompson , Chai Wu
IPC分类号： G06F15/00
CPC分类号： H04N1/40087
摘要： A method (and system) of multi-bit halftoning includes comparing values of an image to threshold values of a halftone threshold matrix, and generating output values that provide a greater than minimum level of contrast.

5. 发明申请

US20070024911A1 Bandless halftone design for multiple beam printers employing non-orthogonal halftones 失效
标题翻译：使用非正交半色调的多光束打印机的无带半色调设计
公开(公告)号：US20070024911A1
公开(公告)日：2007-02-01
申请号：US11193960
申请日：2005-07-29
申请人： Hong Li , Mikel Stanich , Gerhard Thompson , Chai Wu
发明人： Hong Li , Mikel Stanich , Gerhard Thompson , Chai Wu
IPC分类号： H04N1/405
CPC分类号： H04N1/4055
摘要： A multiple beam printer system having N laser beams receives print job information from a print host. A rendering application uses a threshold array to generate halftone image data from the print job. The threshold array is defined based on a spot function. The defined screen is non-orthogonal and includes Y pels in a direction that is perpendicular to a scanning direction of the laser beams where Y is an integer multiple of N. A distance between screen dots in pels is preferably equal to an integer multiple of N. The screen dot may be defined by a supercell encompassing two screen dots and having an odd number of pels in a direction that is parallel to the scanning direction. The spot function may include a snap feature that snaps a screen dot to the nearest printer grid pel. The spot function may include scaling to compensate for the distortion of the non-orthogonal screen dot.
摘要翻译：具有N个激光束的多光束打印机系统从打印主机接收打印作业信息。渲染应用程序使用阈值阵列从打印作业生成半色调图像数据。基于点函数定义阈值数组。定义的屏幕是非正交的，并且在垂直于激光束的扫描方向的Y方向上包括Y个像素，其中Y是N的整数倍。像素中的屏幕点之间的距离优选等于N的整数倍屏幕点可以由包含两个屏幕点的超细胞定义，并且在平行于扫描方向的方向上具有奇数个像素。斑点功能可以包括将屏幕点捕捉到最近的打印机网格像素的快照特征。点功能可以包括缩放以补偿非正交屏幕点的失真。

6. 发明申请

US20060279787A1 Method and system for designing multilevel halftone screens using spot functions 有权
公开(公告)号：US20060279787A1
公开(公告)日：2006-12-14
申请号：US11149235
申请日：2005-06-10
申请人： Hong Li , Mikel Stanich , Gerhard Thompson , Chai Wu
发明人： Hong Li , Mikel Stanich , Gerhard Thompson , Chai Wu
IPC分类号： G06K15/00 , H04N1/405
CPC分类号： H04N1/4055 , H04N1/40087
摘要： A method and system for generating halftone tables, using a spot function, subdivides the pixels within the halftone cell of a halftone matrix into a plurality of sub-pixels, determines the value of the spot function corresponding to the position of each of the sub-pixels within the halftone matrix, repeats the subdividing and determining for all of the sub-pixels in the halftone matrix, ranks the values for the entire halftone matrix, normalizes the ranked values, generates a cumulative histogram based upon the normalized values, and stores the cumulative histogram as a halftone table.

7. 发明授权

US07557964B2 Methods, systems, and media to calibrate a reprographic system 有权
标题翻译：用于校准复制系统的方法，系统和媒体
公开(公告)号：US07557964B2
公开(公告)日：2009-07-07
申请号：US10403971
申请日：2003-03-28
申请人： James T. Smith, II , Hong Li , Joseph Stanley Czyszczewski , Mikel Stanich
发明人： James T. Smith, II , Hong Li , Joseph Stanley Czyszczewski , Mikel Stanich
IPC分类号： H04N1/00 , H04N1/46
CPC分类号： H04N1/4072 , H04N1/60
摘要： Methods, systems, and media to calibrate a reprographic system are disclosed. Embodiments of the invention may calibrate a component like scanner and/or printer in response to user input and/or coupling the component to the reprographic system. More specifically, embodiments may generate a curve that describes tone differences between an image scanned by a scanner or an image printed by the printer by comparing the outputs to acceptable tone descriptions for the image. Some embodiments comprise a graphical user interface (GUI) to communicate with the user, allowing the user to select user preference curves to change, for example, the brightness of an image being copied. Some embodiments incorporate network and phone system interfaces to communicate with remote components as well as to receive input from and/or output to other systems via email, facsimile, etc.
摘要翻译：公开了用于校准复制系统的方法，系统和介质。本发明的实施例可以响应于用户输入和/或将组件耦合到复制系统来校准诸如扫描仪和/或打印机的组件。更具体地，实施例可以生成描述由扫描仪扫描的图像或由打印机打印的图像之间的色差的曲线，通过将输出与图像的可接受的色调描述进行比较。一些实施例包括与用户通信的图形用户界面（GUI），允许用户选择用户偏好曲线来改变例如被复制的图像的亮度。一些实施例将网络和电话系统接口与远程组件进行通信，以及通过电子邮件，传真等从其他系统接收和/或输出输入。

8. 发明申请

US20060215186A1 Method and system for scaling with dot gain control 有权
公开(公告)号：US20060215186A1
公开(公告)日：2006-09-28
申请号：US11085161
申请日：2005-03-22
申请人： Larry Ernst , Hong Li , Yue Qiao , Mikel Stanich , Chai Wu
发明人： Larry Ernst , Hong Li , Yue Qiao , Mikel Stanich , Chai Wu
IPC分类号： G06K15/02
CPC分类号： G06K15/02
摘要： A method (and system) for changing spatial resolution of an image includes systematically creating an image scaling look-up table including at least one pixel replacement pattern and applying a scaling algorithm to modify the image using the image scaling look-up table, thereby allowing a user to scale binary images with easy control of dot gain, output bit depth and other printer parameters.

9. 发明公开

US20240278585A1 AUTOMATIC TUNING COMPENSATION MECHANISM 审中-公开
公开(公告)号：US20240278585A1
公开(公告)日：2024-08-22
申请号：US18171852
申请日：2023-02-21
申请人： Ziling Zhang , Farnaz Hajiahmadi Foomani , Mikel Stanich
发明人： Ziling Zhang , Farnaz Hajiahmadi Foomani , Mikel Stanich
IPC分类号： B41J2/21 , H04N1/52 , H04N1/60
CPC分类号： B41J2/2132 , H04N1/52 , H04N1/6094
摘要： A printing system is disclosed. The printing system includes at least one physical memory device to store compensation logic and one or more processors coupled with the at least one physical memory device to execute the compensation logic to receive measurement data corresponding to a print medium printed with a plurality of non-functioning pel forming elements, a plurality of functioning pel forming elements and a plurality of tint levels; wherein adjacent ones of the plurality of functioning pel forming elements print with compensated halftone designs applied to pels adjacent to the plurality of non-functioning pel forming elements, associate measurement data with the plurality of non-functioning pel forming elements, corresponding compensated halftone designs and the plurality of tint levels and determine optimal compensation by selecting the compensated halftone designs that have corresponding measurement data values closest to compensation target values for each of the plurality of tint levels.

10. 发明授权

US11900187B1 Automatic tuning compensation mechanism 有权
公开(公告)号：US11900187B1
公开(公告)日：2024-02-13
申请号：US18177243
申请日：2023-03-02
申请人： Ziling Zhang , Farnaz Hajiahmadi Foomani , Mikel Stanich
发明人： Ziling Zhang , Farnaz Hajiahmadi Foomani , Mikel Stanich
IPC分类号： G06K15/02 , G06K15/00 , B41J2/21
CPC分类号： G06K15/027 , B41J2/2132 , G06K15/1881 , G06K15/408
摘要： A printing system is disclosed. The printing system includes at least one physical memory device to store compensation logic and one or more processors coupled with the at least one physical memory device to execute the compensation logic to receive measurement data corresponding to a print medium printed with a plurality of pel forming elements in adjacent printheads and a plurality of tint levels, wherein the plurality of pel forming elements comprise gap adjacent pel forming elements that print with applied compensation halftone design and non-gap adjacent pel forming elements, associate measurement data values with the gap adjacent pel forming elements, the applied compensation halftone design and the plurality of tint levels and determine optimal compensation by selecting the compensation halftone design that has corresponding measurement data values closest to compensation target values for each of the plurality of tint levels.

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