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1. 发明申请

US20130101171A1 SYSTEM FOR AND METHOD OF SELECTIVE VIDEO FRAME COMPRESSION AND DECOMPRESSION FOR EFFICIENT EVENT-DRIVEN SEARCHING IN LARGE DATABASES 有权
标题翻译：选择性视频帧压缩和解码的系统和方法，用于大数据库中有效的事件驱动搜索
公开(公告)号：US20130101171A1
公开(公告)日：2013-04-25
申请号：US13277719
申请日：2011-10-20
申请人： Orhan Bulan , Edgar A. Bernal , Robert Loce , Wencheng Wu
发明人： Orhan Bulan , Edgar A. Bernal , Robert Loce , Wencheng Wu
IPC分类号： G06K9/00 , G06K9/46 , H04N7/26
CPC分类号： G08G1/0133 , G06K9/00785 , H04N19/107 , H04N19/139 , H04N19/172 , H04N19/513 , H04N19/61
摘要： A method of, and system for, selective video frame compression and decompression is presented. The disclosed technique is particularly suited for efficient event-driven searching in large databases. The technique involves designating certain frames in a video sequence as reference frames, to be compressed using a first compression technique, where the remaining frames are compressed using a second compression technique. The first compression technique may be implemented without requiring data from any neighboring frames.
摘要翻译：提出了选择性视频帧压缩和解压缩的方法和系统。所公开的技术特别适用于在大数据库中有效的事件驱动搜索。该技术涉及将视频序列中的某些帧指定为参考帧，以使用第一压缩技术进行压缩，其中使用第二压缩技术来压缩剩余的帧。可以实现第一压缩技术，而不需要来自任何相邻帧的数据。

2. 发明申请

US20070052991A1 Methods and systems for determining banding compensation parameters in printing systems 失效
标题翻译：确定打印系统中条带补偿参数的方法和系统
公开(公告)号：US20070052991A1
公开(公告)日：2007-03-08
申请号：US11222260
申请日：2005-09-08
申请人： Nancy Goodman , Robert Loce , William Nowak , Howard Mizes , Peter Paul , Beilei Xu , Wencheng Wu , Jack Lestrange
发明人： Nancy Goodman , Robert Loce , William Nowak , Howard Mizes , Peter Paul , Beilei Xu , Wencheng Wu , Jack Lestrange
IPC分类号： G06K15/00
CPC分类号： B41J29/393 , G03G15/5062 , G03G2215/00067
摘要： A test target is written in a non image zone at set time intervals. The test target is sensed. At least one of frequency, amplitude and phase of banding, which is inherent in a printing device, is determined based on the sensed test target. At least one banding compensation parameter based at least on one of the determined frequency, amplitude and phase of banding is determined. Characteristics of producing an image based on the determined banding compensation parameter are adjusted to compensate the banding inherent in the printing device.
摘要翻译：测试目标以设定的时间间隔写入非图像区域。感测测试目标。基于感测的测试目标来确定打印设备中固有的条带的频率，幅度和相位中的至少一个。确定至少一个带状补偿参数，至少基于所确定的条带的频率，振幅和相位之一。调整基于确定的条带补偿参数产生图像的特性，以补偿打印装置固有的条带。

3. 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).

4. 发明申请

US20060077489A1 Uniformity compensation in halftoned images 有权
公开(公告)号：US20060077489A1
公开(公告)日：2006-04-13
申请号：US10923116
申请日：2004-08-20
申请人： Yeqing Zhang , Robert Loce , Beilei Xu
发明人： Yeqing Zhang , Robert Loce , Beilei Xu
IPC分类号： H04N1/46
CPC分类号： H04N1/603
摘要： Compensation for rendering device non-uniformities is provided for halftoned images. A spatially dependent tone reproduction curve (TRC) provides compensation values. Pixel location information is used to access TRC values. For example, the values are modification values. The modification values are added to the pixel values to generate combined values. Quantization is applied to the combined values to prepare compensated image data for rendering. For example, Rank Ordered Error Diffusion is applied to the combined values. The combined values may include diffused error from previously processed pixels. Gray values may be estimated for the respective pixels. The estimated gray values may be used to access compensation information from a TRC that is both spatially and gray value dependent. Mathematical basis decomposition is used to reduce TRC memory requirements. For example, Discrete Cosine Transformation, Singular Value Decomposition or Principal Component Analysis is used to determine a compact form for the TRC.

5. 发明申请

US20050275855A1 Measurement and control of high frequency banding in a marking system 有权
标题翻译：标记系统中高频带测量与控制
公开(公告)号：US20050275855A1
公开(公告)日：2005-12-15
申请号：US10852243
申请日：2004-05-25
申请人： Howard Mizes , Beilei Xu , Chu-heng Liu , Robert Loce , Michael Thompson , Eric Hamby , R. Viturro
发明人： Howard Mizes , Beilei Xu , Chu-heng Liu , Robert Loce , Michael Thompson , Eric Hamby , R. Viturro
IPC分类号： B41J29/46 , G01N21/88 , G03G21/00 , H04N1/00 , H04N1/409 , H04N1/58
CPC分类号： H04N1/00002 , H04N1/00015 , H04N1/00031 , H04N1/00045 , H04N1/00053 , H04N1/00063 , H04N1/00068 , H04N1/00087
摘要： A method of measuring and controlling high frequency banding, the method includes creating a test pattern, sensing the test pattern with optical sensors, determining a beat frequency based on the sensed test pattern, and determining the frequency, phase and amplitude of high frequency banding based on the beat frequency. An exemplary embodiment of a feedback control method for controlling high frequency banding includes creating a test pattern, sensing the test pattern with optical sensors, measuring high frequency banding and adjusting the imaging parameters based on the measured high frequency banding in order to decrease the extent of high frequency banding. Moreover, an exemplary embodiment of a system for measuring high frequency banding includes an image marking device having a receiving member, optical sensors arranged on the receiving member, and a controller that is functionally coupled to the optical sensors and to the marking device.
摘要翻译：一种测量和控制高频带的方法，该方法包括创建测试图案，用光学传感器感测测试图案，基于感测到的测试图案确定拍频，以及确定基于高频带的频率，相位和幅度在拍频上用于控制高频带的反馈控制方法的示例性实施例包括创建测试图案，用光学传感器感测测试图案，测量高频带并基于所测量的高频带来调整成像参数，以便降低高频带。此外，用于测量高频带的系统的示例性实施例包括具有接收构件的图像标记装置，布置在接收构件上的光学传感器以及功能上耦合到光学传感器和标记装置的控制器。

6. 发明申请

US20070147684A1 Edge pixel identification 失效
标题翻译：边缘像素识别
公开(公告)号：US20070147684A1
公开(公告)日：2007-06-28
申请号：US11317818
申请日：2005-12-23
申请人： Robert Loce , Beilei Xu , Stuart Schweid , Son Nguyen , Michael Branciforte
发明人： Robert Loce , Beilei Xu , Stuart Schweid , Son Nguyen , Michael Branciforte
IPC分类号： G06K9/48 , G06K9/40
CPC分类号： G06K9/00986 , G06K9/4609 , G06K9/56
摘要： The teachings provided herein disclose a method for the identification of edge pixels within a digital image. The method operates by generating edge-state codes for a plurality of pairs of neighboring vectors of pixels within a given observation window, and generating an edge-identification code from the plurality of edge-state codes using a look-up table. The edge identification provides information that can be used for subsequent treatments such as rendering anti-aliased pixels, selecting preferred halftoning and tone reproduction for edge pixels, corner sharpening, and object recognition and segmentation.
摘要翻译：本文提供的教导公开了一种用于识别数字图像内的边缘像素的方法。该方法通过为给定观察窗口内的多个相邻像素向量对生成边缘状态码，并且使用查找表从多个边缘状态码生成边缘识别码来操作。边缘识别提供可用于后续处理的信息，例如渲染抗锯齿像素，选择边缘像素的优选半色调和色调再现，角锐化和对象识别和分割。

7. 发明申请

US20070139733A1 Methods and apparatuses for controlling print density 失效
标题翻译：用于控制打印浓度的方法和装置
公开(公告)号：US20070139733A1
公开(公告)日：2007-06-21
申请号：US11313018
申请日：2005-12-20
申请人： Howard Mizes , Robert Loce , Lalit Mestha , Peter Paul
发明人： Howard Mizes , Robert Loce , Lalit Mestha , Peter Paul
IPC分类号： 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。

8. 发明申请

US20070053003A1 Color management of halftoned images 有权
标题翻译：半色调图像的颜色管理
公开(公告)号：US20070053003A1
公开(公告)日：2007-03-08
申请号：US11218966
申请日：2005-09-02
申请人： Robert Loce , Beilei Xu , Raja Bala
发明人： Robert Loce , Beilei Xu , Raja Bala
IPC分类号： H04N1/405
CPC分类号： H04N1/60 , H04N1/40075
摘要： Aspects of color of a halftoned image are controlled or adjusted. A method for adjustment can include determining a color description of a color of an area or window associated with a target halftoned pixel, determining a desired adjustment to the color associated with the target pixel, determining a color change value based on the desired adjustment and the color description associated with the target pixel, combining the color change value with at least one value of the target halftoned pixel, thereby generating at least one combined target pixel value and quantizing the at least one combined target pixel value. For instance error diffusion and/or rank-ordered error diffusion is used to perform the quantization. Color adjustments can be based on user preference and/or calibration compensations between original and target devices.
摘要翻译：控制或调整半色调图像的颜色方面。一种用于调整的方法可以包括确定与目标半色调像素相关联的区域或窗口的颜色的颜色描述，确定与目标像素相关联的颜色的期望调整，基于期望的调整确定颜色变化值，以及与目标像素相关联的颜色描述，将颜色变化值与目标半色调像素的至少一个值组合，从而生成至少一个组合目标像素值并量化至少一个组合目标像素值。例如，误差扩散和/或等级有序误差扩散用于执行量化。颜色调整可以基于原始设备和目标设备之间的用户偏好和/或校准补偿。

9. 发明申请

US20050062995A1 Method of selective edge softening and rendering for the suppression of halo 有权
标题翻译：选择性边缘软化和抑制晕圈的方法
公开(公告)号：US20050062995A1
公开(公告)日：2005-03-24
申请号：US10985133
申请日：2004-11-10
申请人： Robert Loce , Clara Cuciurean-Zapan
发明人： Robert Loce , Clara Cuciurean-Zapan
IPC分类号： G06T5/00 , H04N1/409 , H04N1/58 , H04N1/405 , H04N1/52
CPC分类号： H04N1/4092 , G06K15/1826 , G06T5/002 , G06T5/003 , G06T5/30 , G06T2207/20192 , G06T2207/30144 , G06T2207/30176 , H04N1/58
摘要： Selective edge softening and selective edge dithering is introduced into an image representation to improve local control where halo problems are expected. Selective areas of dilation are isolated and separately dithered or halftoned, the result of which is then swapped back into or substituted for the stored original image. In this manner misregistration and color plane-to-plane interactions can be compensated for in plural image forming station architecture systems. The same technique is also valuable in monochrome systems as an aid to overcoming edge displacement and slow toner problems when the selective edge softening is selectively applied to edges which are in particular perpendicular to the fast scan direction.
摘要翻译：选择性边缘柔化和选择性边缘抖动被引入到图像表示中以改善局部控制，其中预期光晕问题。选择性扩张区域是隔离的，并且分开地抖动或半色调，然后将其结果交换回或代替所存储的原始图像。以这种方式，在多个图像形成站架构系统中可以补偿不对准和彩色平面到平面的相互作用。当选择性边缘软化选择性地施加到特别是垂直于快速扫描方向的边缘时，相同的技术在单色系统中也是有价值的，以帮助克服边缘位移和缓慢的调色剂问题。

10. 发明申请

US20070140552A1 Optimal test patch level selection for systems that are modeled using low rank eigen functions, with applications to feedback controls 失效
标题翻译：使用低等级特征函数建模的系统的最佳测试补丁级别选择，应用于反馈控制
公开(公告)号：US20070140552A1
公开(公告)日：2007-06-21
申请号：US11314670
申请日：2005-12-21
申请人： Zhigang Fan , Lalit Mestha , Yao Wang , Robert Loce , Yeqing Zhang
发明人： Zhigang Fan , Lalit Mestha , Yao Wang , Robert Loce , Yeqing Zhang
IPC分类号： G06K9/00 , H04N1/60
CPC分类号： H04N1/4015
摘要： A method and system for selecting an optimal set of S number of calibration patches for an image producing system. The method of selecting the S number of calibration patches includes acquiring a set of K number of basis eigen vectors and model parameters which represent the image producing system having G number of colors and computing the optimal set of S number of colors selected from the set of G number of colors. Each one of the computed set of S number of colors is used for one of the S number of calibration patches.
摘要翻译：一种用于为图像产生系统选择S个校准块的最佳集合的方法和系统。选择S个校准贴片的方法包括获取K个基本特征向量和模型参数的集合，所述基本特征向量和模型参数表示具有G个颜色的图像生成系统，并且计算从该组中选择的S个颜色的最佳集合 G色数。所计算的S个颜色的组合中的每一个用于S个校准块中的一个。

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