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    Methods and apparatuses for controlling print density
    3.
    发明授权
    Methods and apparatuses for controlling print density 失效
    用于控制打印浓度的方法和装置

    公开(公告)号：US07729015B2

    公开(公告)日：2010-06-01

    申请号：US11313018

    申请日：2005-12-20

    申请人： Howard A. Mizes ,  Robert P. Loce ,  Lalit K. Mestha ,  Peter Paul

    发明人： Howard A. Mizes ,  Robert P. Loce ,  Lalit K. Mestha ,  Peter Paul

    IPC分类号： G06K15/00 ,  H04N1/405 ,  H04N1/46

    CPC分类号： H04N1/6033 ,  H04N1/4015 ,  H04N1/6041

    摘要： Multiple input patches are received on an output media, which patches are characterized by print density representing a document processing system's response to different input grayscale values over a potential response space. Values associated with the print density of each input grayscale value are measured. Reference Engine Response Curves are determined from the measured print density values and input gray scale values. A variance data representative of a difference between each measured print density value and a respective reference Engine Response Curve is determined. The variance data is transformed into individual components. Based at least on one selected individual component, a set of calibration compensating Tone Reproduction Curves is determined. The determined calibration compensating Tone Reproduction Curves are applied to input grayscale values.

    摘要翻译： 在输出介质上接收多个输入补丁，这些补丁的特征在于打印密度，表示文档处理系统对潜在响应空间上的不同输入灰度值的响应。 测量与每个输入灰度值的打印浓度相关联的值。 参考引擎响应曲线由测量的打印浓度值和输入灰度值确定。 确定表示每个测量的打印浓度值和各个参考引擎响应曲线之间的差异的方差数据。 方差数据被转换为单个组件。 至少基于一个所选择的单独组件，确定一组校准补偿音再现曲线。 确定的校准补偿色调再现曲线被应用于输入灰度值。

    Compensation of MPA polygon once around with exposure modulation
    4.
    发明授权
    Compensation of MPA polygon once around with exposure modulation 失效
    用曝光调制补偿MPA多边形

    公开(公告)号：US07492381B2

    公开(公告)日：2009-02-17

    申请号：US11315978

    申请日：2005-12-21

    申请人： Howard Mizes ,  Peter Paul ,  Jack LeStrange ,  Nancy B. Goodman ,  R. Enrique Viturro

    发明人： Howard Mizes ,  Peter Paul ,  Jack LeStrange ,  Nancy B. Goodman ,  R. Enrique Viturro

    IPC分类号： B41J2/385 ,  B41J2/435 ,  G06F15/00

    CPC分类号： G02B27/0031 ,  G02B26/127

    摘要： Many xerographic machines have a motor polygon assembly (MPA), which is a rotating polygonal mirror. As the MPA rotates, it reflects a modulated light beam to produce scan lines on a photoreceptor. Inconsistencies in the MPA can cause inconsistencies in the scan lines, and therefore banding in a printed document. Misalignment, improper mounting, improper manufacture, or sources can cause the MPA inconsistencies. The banding is periodic, can be measured and can be compensated for. Although the modulated light beam can be modulated by many sources, further modulation using a compensation source can reduce banding.

    摘要翻译： 许多静电复印机具有马达多边形组件（MPA），它是旋转的多面镜。 当MPA旋转时，其反射调制的光束以在感光体上产生扫描线。 MPA中的不一致可能导致扫描线不一致，因此打印文档中的条带。 未对准，不正确的安装，不正确的制造或来源可能会导致MPA的不一致。 条带是周期性的，可以测量并可以补偿。 虽然调制光束可以被许多光源调制，但使用补偿源的进一步的调制可以减少条带。

    Multiple view transportation imaging systems
    5.
    发明授权
    Multiple view transportation imaging systems 有权
    多视图运输成像系统

    公开(公告)号：US08731245B2

    公开(公告)日：2014-05-20

    申请号：US13414167

    申请日：2012-03-07

    申请人： Helen HaeKyung Shin ,  Robert P. Loce ,  Wencheng Wu ,  Thomas F. Wade ,  Peter Paul ,  Edgar Bernal

    发明人： Helen HaeKyung Shin ,  Robert P. Loce ,  Wencheng Wu ,  Thomas F. Wade ,  Peter Paul ,  Edgar Bernal

    IPC分类号： G06K9/00

    CPC分类号： G08G1/04 ,  G08G1/017

    摘要： A camera may be positioned to have a direct view of on-coming vehicle traffic from a first perspective. Additionally, a reflective surface, such as a mirror, may be positioned within the viewing area of the same camera to provide the camera with a reflected view of vehicle traffic from a second perspective. The images recorded by the camera may then be received by a computing device. The computing device may separate the images into a direct view region and a reflected view region. After separation, the regions may be analyzed independently and/or combined with other regions, and the analyzed data may be stored. The regions may be analyzed to determine various vehicle characteristics, including, but not limited to, vehicle speed, license plate identification, vehicle occupancy, vehicle count, and vehicle type.

    摘要翻译： 照相机可以从第一角度定位成直接观看即将到来的车辆交通。 此外，诸如反射镜的反射表面可以被定位在同一照相机的观看区域内，以从第二角度向相机提供车辆交通的反射视图。 然后可以由计算设备接收由相机记录的图像。 计算设备可以将图像分离成直视区域和反射视区。 分离后，可以独立地和/或与其它区域组合分析区域，并且可以存储分析的数据。 可以分析区域以确定各种车辆特性，包括但不限于车辆速度，车牌识别，车辆占用，车辆数量和车辆类型。

    Motion quality error detection in printing systems using documents having text or line content
    6.
    发明授权
    Motion quality error detection in printing systems using documents having text or line content 有权
    使用具有文本或行内容的文档的打印系统中的运动质量错误检测

    公开(公告)号：US08649566B2

    公开(公告)日：2014-02-11

    申请号：US12838942

    申请日：2010-07-19

    申请人： Beilei Xu ,  Wencheng Wu ,  Peter Paul ,  Palghat Ramesh

    发明人： Beilei Xu ,  Wencheng Wu ,  Peter Paul ,  Palghat Ramesh

    IPC分类号： G06K9/00 ,  G06K9/03 ,  G06K9/20

    CPC分类号： H04N1/00002 ,  G06K9/036 ,  H04N1/00018 ,  H04N1/00047 ,  H04N1/00084

    摘要： A method for detecting motion quality error of printed documents having text in a printing system includes: printing a document having text lines, each text line comprising a plurality of characters; scanning the printed document to generate a scanned image; detecting positions in a process direction of the printing system of one of text lines and characters in the scanned image; determining position errors in the process direction in the printed document based on the detected positions in the scanned image; determining at least one motion quality defect of the printing system in the process direction based on the determined position errors; and initiating an activity associated with said printing system in response to a motion quality error having been determined. A system for detecting motion quality error of printed documents is also disclosed.

    摘要翻译： 一种用于检测在打印系统中具有文本的打印文档的运动质量错误的方法，包括：打印具有文本行的文档，每个文本行包括多个字符; 扫描打印文档以生成扫描图像; 检测所述扫描图像中的文本行和文字之一的所述打印系统的处理方向的位置; 基于扫描图像中检测到的位置确定打印文档中的处理方向上的位置误差; 基于所确定的位置误差，确定所述打印系统在所述处理方向上的至少一个运动质量缺陷; 以及响应于已经确定的运动质量错误，发起与所述打印系统相关联的活动。 还公开了一种用于检测打印文件的运动质量误差的系统。

    MOTION QUALITY ERROR DETECTION IN PRINTING SYSTEMS USING DOCUMENTS HAVING TEXT OR LINE CONTENT
    7.
    发明申请
    MOTION QUALITY ERROR DETECTION IN PRINTING SYSTEMS USING DOCUMENTS HAVING TEXT OR LINE CONTENT 有权
    使用文本或行内容的文件在打印系统中的运动质量错误检测

    公开(公告)号：US20120014566A1

    公开(公告)日：2012-01-19

    申请号：US12838942

    申请日：2010-07-19

    申请人： Beilei Xu ,  Wencheng Wu ,  Peter Paul ,  Palghat Ramesh

    发明人： Beilei Xu ,  Wencheng Wu ,  Peter Paul ,  Palghat Ramesh

    IPC分类号： G06K9/00

    CPC分类号： H04N1/00002 ,  G06K9/036 ,  H04N1/00018 ,  H04N1/00047 ,  H04N1/00084

    摘要： A method for detecting motion quality error of printed documents having text in a printing system includes: printing a document having text lines, each text line comprising a plurality of characters; scanning the printed document to generate a scanned image; detecting positions in a process direction of the printing system of one of text lines and characters in the scanned image; determining position errors in the process direction in the printed document based on the detected positions in the scanned image; determining at least one motion quality defect of the printing system in the process direction based on the determined position errors; and initiating an activity associated with said printing system in response to a motion quality error having been determined. A system for detecting motion quality error of printed documents is also disclosed.

    摘要翻译： 一种用于检测在打印系统中具有文本的打印文档的运动质量错误的方法，包括：打印具有文本行的文档，每个文本行包括多个字符; 扫描打印文档以生成扫描图像; 检测所述扫描图像中的文本行和文字之一的所述打印系统的处理方向的位置; 基于扫描图像中检测到的位置确定打印文档中的处理方向上的位置误差; 基于所确定的位置误差，确定所述打印系统在所述处理方向上的至少一个运动质量缺陷; 以及响应于已经确定的运动质量错误，发起与所述打印系统相关联的活动。 还公开了一种用于检测打印文件的运动质量误差的系统。