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    • 34. 发明授权
    • Apparatus and method for encoding and reconstructing image data
    • 用于编码和重建图像数据的装置和方法
    • US5659634A
    • 1997-08-19
    • US315275
    • 1994-09-29
    • Thomas I. YehFrancis K. TseAnthony M. FrumusaAron NacmanKenneth D. Romano
    • Thomas I. YehFrancis K. TseAnthony M. FrumusaAron NacmanKenneth D. Romano
    • B41J5/30G06T1/00H04N1/411G06K9/36
    • H04N1/411
    • An apparatus for processing an input image, represented by an input bit stream including a plurality of first bit sets, is provided. The apparatus includes a device for processing the input bit stream in such a manner that each of the first bit sets is represented by a second bit set with each of the second bit sets having less bits than each of the first bit sets and a selected number of bits in the input bit stream, corresponding to image-related information, being discarded as a result of the encoding. The apparatus is provided with an electronic volatile memory for storing a resulting encoded bit stream and a bit stream analyzer for analyzing the stored encoded bit stream to generate positional signals. The apparatus is further provided with a reconstruction circuit for reconstructing the stored encoded bit stream, by reference to the positional signals. The reconstruction circuit operates in such a manner that, upon outputting an image representation of the reconstructed bit stream, the outputted image includes at least a part of the discarded, image-related information.
    • 提供一种用于处理由包括多个第一位组的输入比特流表示的输入图像的装置。 该装置包括用于以这样的方式处理输入比特流的装置,即每个第一比特组由第二比特组表示,其中每个第二比特组具有比每个第一比特组少的比特, 与图像相关的信息对应的输入比特流中的比特被作为编码的结果被丢弃。 该装置设置有用于存储所得到的编码比特流的电子易失性存储器和用于分析所存储的编码比特流以产生位置信号的比特流分析器。 该装置还设置有重建电路,用于通过参考位置信号重建存储的编码比特流。 重建电路以这样的方式工作,即在输出重构位流的图像表示时,输出的图像至少包括丢弃的图像相关信息的一部分。
    • 35. 发明授权
    • Monochrome to full color scaleable image processing system for printing
systems and machines
    • 单色到全彩色可扩展图像处理系统,用于打印系统和机器
    • US5572599A
    • 1996-11-05
    • US273261
    • 1994-07-11
    • Francis K. Tse
    • Francis K. Tse
    • B41J2/525B41J5/30G03G15/01H04N1/60G06K9/48H04N9/77
    • H04N1/6016
    • To make the architecture of an image processing module of a monochrome printing machine convertible to a full color printing machine, bypass circuits are included in the luminance processing circuit of the monochrome printing system. These bypass circuits are inserted between a conventional shading circuit and conventional two-dimensional filter and auto-segmentation circuit of the luminance image processing system and between a conventional brightness adjustment circuit and a conventional one-dimensional image processor/screening circuit of the luminance image processing system. This inclusion of bypass circuits enables a chroma processing circuit to be installed in parallel with the luminance processing to make the monochrome system convertible to a full color system. The converted full color system utilizes the luminance processing system of the monochrome system to realize fully color processed signals ready for transmission to a printing subsystem.
    • 为了将单色打印机的图像处理模块的结构转换为全色印刷机,在单色打印系统的亮度处理电路中包括旁路电路。 这些旁路电路插入在传统的阴影电路和亮度图像处理系统的常规二维滤波器和自动分割电路之间以及常规亮度调节电路和传统的亮度图像处理的一维图像处理器/屏蔽电路之间 系统。 这种包含旁路电路使得色度处理电路能够与亮度处理并行安装,以使单色系统可转换成全色系统。 转换的全色系统利用单色系统的亮度处理系统实现准备好传输到打印子系统的完全颜色处理的信号。
    • 36. 发明授权
    • Method and apparatus for controlling the processing of digital image
signals
    • 用于控制数字图像信号的处理的方法和装置
    • US5307180A
    • 1994-04-26
    • US809807
    • 1991-12-18
    • Leon C. WilliamsFrancis K. TseRobert F. Buchheit
    • Leon C. WilliamsFrancis K. TseRobert F. Buchheit
    • H04N1/387G06T3/00G09G5/14H04N1/40G06K9/36
    • G09G5/14
    • A method and apparatus for controlling the execution of image processing operations carried out on an array of image signals, the specific operations having been identified by a plurality of predefined windows. The windows are divided into a plurality of non-overlapping tiles, the boundaries of which correspond to transitions from one window region to another. Each tile therefore defines an exclusive region within the array of image signals, and the image processing operations to be applied to the signals within the boundaries of that region. Tile data is stored in one of two memory banks, thereby enabling bank switching and reprogramming of the device in real-time to permit management of complex window shapes. The apparatus is designed to efficiently manage the identification of tile regions while minimizing the required decoding hardware. The apparatus also provides flexibility of programming resulting in greater efficiency of memory usage.
    • 一种用于控制对图像信号阵列执行的图像处理操作的执行的方法和装置,该特定操作已经被多个预定窗口识别。 窗口被分成多个不重叠的瓦片,其边界对应于从一个窗口区域到另一个窗口区域的过渡。 因此,每个瓦片在图像信号阵列内定义独占区域,并且将图像处理操作应用于该区域的边界内的信号。 平铺数据存储在两个存储体之一中,从而能够实时地对设备进行库切换和重新编程,以允许管理复杂的窗口形状。 该设备被设计为在最小化所需的解码硬件的同时有效地管理瓦片区域的识别。 该设备还提供了编程的灵活性,从而提高了存储器使用的效率。
    • 40. 发明授权
    • Text representation method and apparatus
    • 文本表示方法和装置
    • US08086040B2
    • 2011-12-27
    • US11950883
    • 2007-12-05
    • Zhigang FanFrancis K. Tse
    • Zhigang FanFrancis K. Tse
    • G06K9/00
    • G06K9/6202G06K2209/01H04N1/41
    • A text-like data representation technique and a text-like data representation apparatus are disclosed that may: acquire image data from a scanned image; segment text regions from the image data; further extract each connected component in the text regions; form clusters based on the connected components; group each connected component in the text regions into one of the clusters with similar or identical characters; generate a high-resolution representative for each cluster; generate a vector representation for each high-resolution representative; and code the text as text data by associating each connected component with its vectorized high-resolution representative, and location in the document.
    • 公开了类似文本的数据表示技术和文本数据表示设备,其可以:从扫描图像获取图像数据; 从图像数据中分割文本区域; 进一步提取文本区域中的每个连接的组件; 基于连接的组件形成集群; 将文本区域中的每个连接的组件分组成具有相似或相同字符的集群之一; 为每个集群生成高分辨率代表; 为每个高分辨率代表生成矢量表示; 并通过将每个连接的组件与其向量化的高分辨率代表和文档中的位置相关联来将文本编码为文本数据。