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    • 22. 发明授权
    • Halftone method and apparatus that provides a line screen frequency of N/2 for a printer resolution of N dots per inch without negative print effects
    • 半色调方法和设备,提供N / 2的线屏幕频率,用于打印机分辨率为N点/英寸,无负面打印效果
    • US07835034B1
    • 2010-11-16
    • US09571968
    • 2000-05-16
    • Joan LaVerne MitchellTimothy James TrenaryDanielle K. DittrichYue Qiao
    • Joan LaVerne MitchellTimothy James TrenaryDanielle K. DittrichYue Qiao
    • G06K15/00
    • H04N1/52
    • A halftone method and apparatus provides a line screen frequency of N/2 for a printer resolution of N without negative print effects. A 300 lines per inch halftone screen for a 600 dpi printer may thus be created by alternating white and saturated colored lines when half of a given color component's pels are on. Empirical rules are used to create the screens based on how that printer creates consistent and reliable levels for each color component. These rules allow intermediate intensity values between white and full-on at each pel. Since the halftoning is done in the hardware just before printing, the print direction relative to the threshold matrix is known. No rotation capability is needed in the hardware. If an image needs to be rotated, it can be done previously to being sent to the hardware. Furthermore, because a pair of pels are turned on for the lightest values (or possibly with a one level difference between the first and second dots in the pair), the electronics are stressed less. Moreover, the drive will be at a lower frequency than the first dot in the traditional halftone cell, which remains isolated for many levels.
    • 半色调方法和装置为N的打印机分辨率提供N / 2的线屏幕频率,而不产生负打印效果。 因此,当一个给定的颜色分量的像素的一半被打开时,可以通过交替的白色和饱和的彩色线来创建用于600dpi打印机的300线/英寸半色调屏幕。 经验规则用于根据打印机为每个颜色组件创建一致和可靠的级别创建屏幕。 这些规则允许在每个像素之间的白色和全开之间的中间强度值。 由于半色调在打印之前的硬件中完成,所以相对于阈值矩阵的打印方向是已知的。 在硬件中不需要旋转能力。 如果需要旋转图像,则可以先将图像发送到硬件。 此外,由于一对像素被打开以获得最轻的值(或者可能具有一对中的第一和第二点之间的一个电平差),所以电子元件的应力较小。 此外,驱动器将处于比传统半色调电池中的第一个点更低的频率,其保持隔离许多级别。
    • 23. 发明授权
    • Scaling of multi-dimensional data in a hybrid domain
    • 在混合域中缩放多维数据
    • US07489827B2
    • 2009-02-10
    • US12176262
    • 2008-07-18
    • Joan LaVerne MitchellTimothy James Trenary
    • Joan LaVerne MitchellTimothy James Trenary
    • G06K9/36G06K9/48
    • G06T3/4084H04N19/60
    • At least a system and data structure for the scaling of data is provided. An exemplary use of the disclosed embodiments involves the scaling up in size or the scaling down in size of computer images. n-dimensional transformed data representing some original n-dimensional real data is received. An m-dimensional inverse transform on the n-dimensional transformed data is performed to produce hybrid data, where 1≦m≦n. The hybrid data is scaled in p dimensions to produce scaled hybrid data representing a desired p-dimensional change in the n-dimensional real data where p≦m. Finally, an m-dimensional forward transform is performed on the scaled hybrid data to produce n-dimensional scaled transformed data.
    • 至少提供了用于缩放数据的系统和数据结构。 所公开的实施例的示例性用途涉及放大尺寸或缩小计算机图像的尺寸。 接收表示一些原始n维实数据的n维变换数据。 执行对n维变换数据的m维逆变换以产生混合数据,其中1 <= m <= n。 混合数据以p维度缩放以产生表示n维实数据中所需p维变化的缩放混合数据,其中p <= m。 最后,对经缩放的混合数据执行m维正交变换以产生n维缩放变换数据。
    • 27. 发明授权
    • Halftone apparatus that provides simultaneous, multiple lines per inch screens
    • 半色调设备可同时提供每英寸屏幕多行
    • US08004721B2
    • 2011-08-23
    • US11879888
    • 2006-09-06
    • Danielle Kathryn DittrichJoan LaVerne MitchellYue Qiao
    • Danielle Kathryn DittrichJoan LaVerne MitchellYue Qiao
    • H04N1/407H04N1/409
    • H04N1/405
    • A halftone threshold matrix includes a plurality of submatrices, wherein a first group of the plurality of submatrices has a line screen frequency different from a second group of the plurality of submatrices. The halftone method and apparatus removes the restriction that at most one pel is turned on per basic cell for the next constant input level and allows the pels in some basic cells to be turned on much sooner that the corresponding positions in other basic cells. This creates a dominant low frequency line screen simultaneously with the higher frequency line screen of the other basic cells. The present invention also allows the basic cells inside the threshold matrix to have different shapes and sizes. Thus, the cells participating in the low frequency screen could be larger than the cells generating the higher frequency screen. For example, the low frequency screen's pleasing patterns can distract the eye from noticing less pleasing patterns in the high frequency grid and vice versa.
    • 半色调阈值矩阵包括多个子矩阵,其中多个子矩阵中的第一组具有与多个子矩阵的第二组不同的行画面频率。 半色调方法和装置去除了对于下一个恒定输入电平,每个基本单元至多打开一个像素的限制,并允许一些基本单元中的像素更快地打开其它基本单元中的相应位置。 这与其他基本单元的较高频率线屏幕同时产生主导低频线屏幕。 本发明还允许阈值矩阵内的基本单元具有不同的形状和尺寸。 因此,参与低频屏幕的单元可以大于产生较高频率屏幕的单元。 例如,低频屏幕的令人愉悦的图案可以分散注意力,注意高频电网中不太令人愉快的图案,反之亦然。
    • 28. 发明授权
    • Methodology for the automatic capture of process information in federated knowledge systems
    • 在联合知识体系中自动捕获过程信息的方法
    • US07945598B2
    • 2011-05-17
    • US12259680
    • 2008-10-28
    • Sandra K. JohnsonJoan LaVerne MitchellDavid Ward
    • Sandra K. JohnsonJoan LaVerne MitchellDavid Ward
    • G06F17/30G06F7/00
    • G06F17/30566
    • A mechanism for automatically managing process information stored in federated repositories. When practice requirements are collected for a multi-step process, a process metadata data structure comprising process information conforming to the practice requirements is created in a metadata repository. The structure is created by creating a template document for each task in the multi-step process and populating the template documents with the procedure information in the practice requirements. Hierarchical and horizontal associations are created among the template documents based on the execution order of the tasks in the procedure information. Process documents for each task in the multi-step process are created and populated with information about the tasks. The task information, procedure information, and association information for each task is then stored as metadata in the process metadata structure.
    • 用于自动管理存储在联合存储库中的进程信息的机制。 当为多步骤流程收集实践要求时,在元数据存储库中创建包含符合实践要求的流程信息的流程元数据结构。 通过在多步骤过程中为每个任务创建一个模板文档并使用实践要求中的过程信息填充模板文档来创建该结构。 基于过程信息中任务的执行顺序,在模板文档之间创建分层和水平关联。 使用有关任务的信息创建并填充多步骤过程中每个任务的处理文档。 然后将每个任务的任务信息,过程信息和关联信息作为元数据存储在过程元数据结构中。
    • 29. 发明授权
    • Reduced-error processing of transformed digital data
    • 转换数字数据的减误错误处理
    • US07194138B1
    • 2007-03-20
    • US09186247
    • 1998-11-04
    • Martin James BrightJoan LaVerne Mitchell
    • Martin James BrightJoan LaVerne Mitchell
    • G06K9/46
    • H04N19/45H04N19/60H04N19/61H04N19/63
    • This invention solves problems due to employing error degraded data in digital processing. It particularly solves multi-generation problems wherein transform data degrade during each inverse transform and forward transform cycle even without any processing due to the rounding and clipping errors. It provides methods, systems and devices for reduced-error processing of transform-coded data. After inverse transformation of transform data, high-precision numbers are manipulated. The converting to integers and clipping to an allowed range steps are executed at any stage in the manipulation to obtain integer representation of the inverse transformed data such as for displaying of the data. However, further processing including forward transforming back to the transform domain is executed on the high-precision numbers. Thus, the rounding and clipping errors are not present in the processed data. Although advantageous to many applications employing digital transformed data, the invention is particularly advantageous for use in digital studios during editing of MPEG-coded, JPEG-coded and wavelet-coded video and audio data.
    • 本发明解决了由于在数字处理中采用错误退化数据而引起的问题。 它特别解决了在每个逆变换和正向变换循环期间变换数据都会降级的多代问题,即使没有任何处理,由于舍入和剪切错误。 它提供了用于变换编码数据的减少错误处理的方法,系统和设备。 在对变换数据进行逆变换之后,操纵高精度数字。 在操作的任何阶段都执行转换为整数和裁剪到允许的范围步骤以获得逆变换数据的整数表示,例如用于显示数据。 然而,对高精度数字执行包括向变换域的向前变换的进一步处理。 因此,在处理的数据中不存在舍入和限幅错误。 虽然对于使用数字变换数据的许多应用是有利的,但是本发明在编码MPEG编码的,JPEG编码的和小波编码的视频和音频数据期间在数字工作室中是特别有利的。