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    • 3. 发明授权
    • Document processing
    • 文件处理
    • US5768446A
    • 1998-06-16
    • US314737
    • 1994-09-29
    • George E. Reasoner, Jr.Daniel R. EdwardsGerald R. SmithDebora Y. GrosseRobert C. Kidd
    • George E. Reasoner, Jr.Daniel R. EdwardsGerald R. SmithDebora Y. GrosseRobert C. Kidd
    • G06T9/00G06K9/54G06K9/60
    • G06T9/007
    • In a system for processing and imaging documents to develop a stream of digital, video bit sets, each related to a different document is a passing array, this system including an arrangement for simultaneously compressing a number of said bit-sets for different document images and sending the results to output, this arrangement as comprising: a preprocessing stage for distributing each said bit set in a pair, of like parallel bit-compression paths, one, a Master path for half the bits in a set, the other a Slave path for the other half as controlled by The Master, with both input to a common buffer, each compression path being adapted to execute a first compression and then a conditional second compression when certain initial factors are indicated and to provide a real-time-compressed output to this buffer; and both said compressions being performed on a single, two pass stage of a Histogram/Compressor printed circuit board.
    • 在用于处理和成像文档以开发数字视频位集合的系统中,每个与不同文档相关的每一个都是通过阵列,该系统包括用于同时压缩多个用于不同文档图像的所述位集合的装置,以及 将结果发送到输出,该布置包括:用于分配一对相似的并行比特压缩路径的每个所述比特集合的预处理阶段,一组,一组中的一半比特的主路径,另一个是从路径 对于由主机控制的另一半,通过两个输入到公共缓冲器,每个压缩路径适于执行第一压缩,然后在指定某些初始因素时进行条件二次压缩,并提供实时压缩输出 到这个缓冲区; 并且所述两个压缩均在直方图/压缩机印刷电路板的单个两通阶段执行。
    • 6. 发明授权
    • Imaging system with scaling/normalizing
    • 具有缩放/归一化的成像系统
    • US5999663A
    • 1999-12-07
    • US300666
    • 1994-09-02
    • Daniel R. EdwardsGeorge R. Reasoner, Jr.Gerald R. Smith
    • Daniel R. EdwardsGeorge R. Reasoner, Jr.Gerald R. Smith
    • G06T3/40G06K9/36
    • G06T3/40
    • An arrangement for extracting and processing image data to form an array of re-scaled pixel data, this arrangement being part of a Normalizer/Scaler stage in an image lift/processing system, and including: a scaler for storing N different selectible scaling algorithms; a scaler-output; an input for receiving scanned lines of pixel data and feeding it sequentially line-by-line, pixel-by-pixel to the scaler, the input including "scale factors" for selecting an algorithm; while the scaler includes a mapping stage for executing a two-dimensional mapping of adjacent pixel values and adjacent scanline values; this arrangement also including a command store for storing scaling algorithms, with a command register input for the scale factors. Preferably the scaler also includes a First ROM for storing pixel values at prescribed addresses; a Second ROM for similarly storing previous pixel values, being input in parallel with the First ROM; a Latch to which the ROMs are output; and a pixel Counter reset with each new scan line; with a "current pixel" value input to a prescribed address in the First ROM, along with a "pixel count" number from the Counter, plus an associated scale factor; with an Adder interposed between the ROMs and the Latch to execute addition mapping.
    • 一种用于提取和处理图像数据以形成重新缩放的像素数据的阵列的布置,该布置是图像提升/处理系统中的归一化器/缩放器级的一部分,并且包括:用于存储N个不同可选缩放算法的缩放器; 缩放器输出; 用于接收像素数据的扫描线并逐行逐行地向定标器馈送它的输入,该输入包括用于选择算法的“比例因子”; 而定标器包括用于执行相邻像素值和相邻扫描线值的二维映射的映射阶段; 该布置还包括用于存储缩放算法的命令存储器,并具有用于比例因子的命令寄存器输入。 优选地,定标器还包括用于在规定地址存储像素值的第一ROM; 用于类似地存储与第一ROM并行输入的先前像素值的第二ROM; 输出ROM的锁存器; 并且每个新扫描线的像素计数器复位; 在第一ROM中输入到规定地址的“当前像素”值以及来自计数器的“像素数”加上相关比例因子; 其中一个加法器介于ROM和Latch之间以执行附加映射。