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    • 3. 发明授权
    • Parallel pipelined image processor
    • 并行流水线图像处理器
    • US5287416A
    • 1994-02-15
    • US931654
    • 1992-08-17
    • Joseph M. CapoRobert D'AoustDebora Y. GrosseRobert KleinRavi K. NigamGeorge E. Reasoner, Jr.David C. Williams
    • Joseph M. CapoRobert D'AoustDebora Y. GrosseRobert KleinRavi K. NigamGeorge E. Reasoner, Jr.David C. Williams
    • G06T1/20G06K9/36
    • G06T1/20
    • A pipelined image processor generates an image of the information contained on first and second portions of a document. The pipelined image processor includes a first pipe for processing information contained on the first portion of the document, and second pipe for processing information contained on the second portion of the document. The pipes receive the output from two camera assemblies which are used for generating an electrical signal in response to information contained on the document, an image digitizer for generating digitized information from the electrical signal by the means for generating an electrical signal. In addition, both pipes also include a resequencer for generating resequenced information from the digitized information, as well as an image processor for generating processed information from the resequenced information. Finally, the first and second pipes include a transposer/compressor assembly for generating transposed and compressed information from the processed information, and a compressed data buffer for storing the transposed and compressed information.
    • 流水线图像处理器生成包含在文档的第一和第二部分上的信息的图像。 流水线图像处理器包括用于处理包含在文档的第一部分上的信息的第一管道和用于处理包含在文档的第二部分上的信息的第二管道。 管道接收来自两个照相机组件的输出,这些照相机组件用于响应于文档中包含的信息而产生电信号,图像数字转换器用于通过用于产生电信号的装置从电信号产生数字化信息。 此外,两个管道还包括用于从数字化信息生成可重新排序的信息的再同步器,以及用于从重新排序的信息产生处理的信息的图像处理器。 最后,第一和第二管道包括用于从经处理的信息产生转置和压缩信息的转移器/压缩机组件,以及用于存储转置和压缩信息的压缩数据缓冲器。
    • 4. 发明授权
    • Parallel pipelined image processor
    • 并行流水线图像处理器
    • US5420941A
    • 1995-05-30
    • US123531
    • 1993-09-17
    • Joseph M. CapoRobert D'AoustDebora Y. GrosseRobert KleinRavi K. NigamGeorge E. Reasoner, Jr.David C. Williams
    • Joseph M. CapoRobert D'AoustDebora Y. GrosseRobert KleinRavi K. NigamGeorge E. Reasoner, Jr.David C. Williams
    • G06T1/20G06K9/60
    • G06T1/20
    • A pipelined image processor generates an image of the information contained on first and second portions of a document. The pipelined image processor includes a first pipe for processing information contained on the first portion of the document, and second pipe for processing information contained on the second portion of the document. The pipes receive the output from two camera assemblies which are used for generating an electrical signal in response to information contained on the document, an image digitizer for generating digitized information from the electrical signal by the means for generating an electrical signal. In addition, both pipes also include a resequencer for generating resequenced information from the digitized information, as well as an image processor for generating processed information from the resequenced information. Finally, the first and second pipes include a transposer/compressor assembly for generating transposed and compressed information from the processed information, and a compressed data buffer for storing the transposed and compressed information.
    • 流水线图像处理器生成包含在文档的第一和第二部分上的信息的图像。 流水线图像处理器包括用于处理包含在文档的第一部分上的信息的第一管道和用于处理包含在文档的第二部分上的信息的第二管道。 管道接收来自两个照相机组件的输出,这些照相机组件用于响应于文档中包含的信息而产生电信号,图像数字转换器用于通过用于产生电信号的装置从电信号产生数字化信息。 此外,两个管道还包括用于从数字化信息生成可重新排序的信息的再同步器,以及用于从重新排序的信息产生处理的信息的图像处理器。 最后,第一和第二管道包括用于从经处理的信息产生转置和压缩信息的转移器/压缩机组件,以及用于存储转置和压缩信息的压缩数据缓冲器。
    • 5. 发明授权
    • Method for background suppression in an image data processing system
    • 图像数据处理系统背景抑制方法
    • US5157740A
    • 1992-10-20
    • US653403
    • 1991-02-07
    • Robert KleinKaren A. WildsMichael Higgins-LuthmanDavid C. Williams
    • Robert KleinKaren A. WildsMichael Higgins-LuthmanDavid C. Williams
    • G06K9/38
    • G06K9/38G06K2209/01
    • A digital image preprocessing method for eliminating background patterns and scenes from digitized gray level document image data. The method accepts multi-gray level image data as input and produces a gray level output image containing a "white" background. Document image backgrounds are eliminated (or suppressed) by computing a separate (and typically different) threshold value for each gray level pixel of the original document image. Input image pixels whose gray level is greater (brighter) than the threshold value are assumed to be background picture data and are modified to be "white" pixels in the output image. The pixel threshold value is determined dynamically pixel-to-pixel based on gray level pixel data observed within the input image. Additionally, the pixel threshold can be automatically controlled to insure retention of written and/or printed information present in the input image. Threshold control is accomplished by specifying a print contrast signal (PCS) parameter to the image preprocessing method. Documents which might use this preprocessing technique include, but are not limited to, bank checks, remittance documents, charge card slips, deposit slips and similar type financial documents.
    • 一种用于从数字化灰度文档图像数据中消除背景图案和场景的数字图像预处理方法。 该方法接受多灰度级图像数据作为输入,并产生包含“白色”背景的灰度级输出图像。 通过为原始文档图像的每个灰度级像素计算单独的(并且通常不同的)阈值来消除(或抑制)文档图像背景。 其灰度比阈值大(亮度)的输入图像像素被假设为背景图像数据,并且在输出图像中被修改为“白色”像素。 基于输入图像中观察到的灰度级像素数据,动态地像素到像素确定像素阈值。 此外,可以自动控制像素阈值,以确保输入图像中存在的写入和/或打印信息的保留。 通过为图像预处理方法指定打印对比度信号(PCS)参数来实现阈值控制。 可能使用这种预处理技术的文件包括但不限于银行支票,汇款单,收费卡单,存单和类似类型的财务文件。
    • 8. 发明申请
    • PREDICTIVE HARD AND SOFT HANDOVER
    • 预测硬和软切换
    • US20110059741A1
    • 2011-03-10
    • US12557254
    • 2009-09-10
    • Robert Klein
    • Robert Klein
    • H04W36/00
    • H04W36/30H04B17/10H04B17/15H04B17/318H04B17/336H04W36/00H04W36/24H04W72/085
    • Methods and apparatus that facilitate predictive hard and soft handover are presented herein. A measurement component can measure signal strength data associated with a source cell and one or more target cells. One or more linear regression lines can be computed based on the signal strength data. Rates of at least one of an increase or a decrease in the signal strength data per unit of time can be determined based on a slope of the one or more linear regression lines—the slope can comprise a change in signal strength data per unit of time. A time to trigger at least one of a hard or soft handover can be triggered based on the rates.
    • 本文介绍了促进预测性硬切换和软切换的方法和装置。 测量组件可以测量与源小区和一个或多个目标小区相关联的信号强度数据。 可以基于信号强度数据来计算一个或多个线性回归线。 可以基于一个或多个线性回归线的斜率来确定每单位时间的信号强度数据的增加或减少中的至少一个的速率 - 该斜率可以包括每单位时间的信号强度数据的变化 。 可以基于速率触发触发硬切换或软切换中的至少一个的时间。
    • 10. 发明申请
    • Waveform lineariser
    • 波形lineariser
    • US20060164173A1
    • 2006-07-27
    • US10523713
    • 2003-07-29
    • Robert KleinPeter Justin
    • Robert KleinPeter Justin
    • H03L7/00
    • G01S7/4008G01S7/35G01S13/34H03L7/08
    • An improved apparatus and method of generating swept frequency waveforms in the field of digital lineariser technology, using a phase-locked loop frequency synthesiser, is provided. Preferably, a ramp generator 120 is used to apply a modulation signal to the frequency control input of a voltage controlled oscillator via a summer component 110. A direct digital synthesis (DDS) reference component 400 is used to controllably produce a progressive shift in threshold crossing points of the signal (on line 144) such as to compensate for the ramp signals generated by the generator 120 which is compared with the signal (on line 146) from the reference frequency source (line 140). Advantageously, the proposed apparatus/method finds utility in various FM CW-based radar applications.
    • 提供了一种改进的使用锁相环频率合成器在数字线性化技术领域产生扫频信号波形的装置和方法。 优选地,斜坡发生器120用于经由加法器部件110将调制信号施加到压控振荡器的频率控制输入端。 直接数字合成(DDS)参考组件400用于可控制地产生信号(在线144上)的阈值交叉点的逐行移位,以便补偿由发生器120产生的与信号( 在线146上)从参考频率源(线路140)。 有利地,所提出的装置/方法在各种基于FM CW的雷达应用中发现效用。