公开(公告)号：US20040257622A1

公开(公告)日：2004-12-23

申请号：US10825797

申请日：2004-04-09

发明人： Hiroyuki Shibaki ,  Noriko Miyagi ,  Hirosi Ishii ,  Kazunari Tonami

IPC分类号： H04N001/40 ,  H04N001/405 ,  H04N001/56

CPC分类号： G06K15/02 ,  G06K15/1851 ,  H04N19/12 ,  H04N19/136 ,  H04N19/17 ,  H04N19/187 ,  H04N19/46

摘要： An image processing apparatus includes an image attribute determining unit that determines an image attribute of an image data, an object dissolving unit that dissolves the image data into a plurality of objects based on the image attribute, and an object describing unit that describes the objects in predetermined formats and converts the objects into a file of a predetermined file format. The object describing unit describes an object having a predetermined image attribute among the objects by associating an additional object representing information on the predetermined image attribute with the object.

摘要翻译： 图像处理装置包括：图像属性确定单元，其确定图像数据的图像属性;基于图像属性将图像数据溶解成多个对象的对象解决单元;以及描述对象的对象描述单元 预定格式并将对象转换成预定文件格式的文件。 对象描述单元通过将表示关于预定图像属性的信息的附加对象与对象相关联来描述在对象之间具有预定图像属性的对象。

公开(公告)号：US20040239996A1

公开(公告)日：2004-12-02

申请号：US10804069

申请日：2004-03-19

发明人： Koji Hayashi

IPC分类号： G06K015/00 ,  H04N001/405 ,  H04N001/52 ,  H04N001/40 ,  H04N001/56

CPC分类号： G06T1/20 ,  H04N1/4052

摘要： An image processing system includes an image input unit having a plurality of image input channels; a parallel image data processing unit that receives image data from the image input channels of the image input unit, divides the image data received into a plurality of divided data, each divided data including data in a number that is less than a predetermined number, and processes in parallel the divided image data; and a sequential image data processing unit that sequentially processes the divided image data output from the image parallel data processing unit while switching the divided image data for the image input channels.

摘要翻译： 图像处理系统包括具有多个图像输入通道的图像输入单元; 从图像输入单元的图像输入通道接收图像数据的并行图像数据处理单元，将接收到的图像数据划分为多个分割数据，每个划分的数据包括小于预定数量的数据，以及 处理分割图像数据; 以及顺序图像数据处理单元，其在切换图像输入通道的分割图像数据的同时，顺序地处理从图像并行数据处理单元输出的分割图像数据。

公开(公告)号：US20040233477A1

公开(公告)日：2004-11-25

申请号：US10442854

申请日：2003-05-21

申请人： International Business Machines Corporation

发明人： Mikel J. Stanich ,  Gerhard R. Thompson ,  Chai Wah Wu

IPC分类号： H04N001/405

CPC分类号： H04N1/4051

摘要： A method is disclosed for halftoning images either via a direct method or a threshold array construction. The method includes comparing a pattern to an image and calculating a first potential in order to determine a first set of pixels to move; calculating a second potential in order to determine a second set of pixels in which to move the first set of pixels; and then moving pixels in the first set of pixels having high first potentials to pixel locations in the second set of pixels having low second potentials. The method may further include an inner program loop that decreases the number of pixels to move in the first and second sets and iteratively repeats the above steps; and an outer program loop that resets the number of pixels moved in the first and second sets and iteratively repeating the process to further optimize the pattern.

摘要翻译： 公开了一种通过直接方法或阈值阵列构造对图像进行半色调的方法。 该方法包括将图案与图像进行比较并计算第一电位以便确定要移动的第一组像素; 计算第二电位以便确定其中移动第一组像素的第二组像素; 然后将具有高第一电位的第一组像素中的像素移动到具有低第二电位的第二组像素中的像素位置。 该方法还可以包括内部程序循环，其减少在第一和第二组中移动的像素的数量并且迭代地重复上述步骤; 以及外部程序循环，其重置在第一和第二组中移动的像素的数量并且迭代地重复该过程以进一步优化图案。

公开(公告)号：US20040218221A1

公开(公告)日：2004-11-04

申请号：US10487376

申请日：2004-02-20

发明人： Masanori Hirano ,  Masakazu Yoshida

IPC分类号： H04N001/405 ,  G06K015/00

CPC分类号： H04N1/40087 ,  H04N1/4051 ,  H04N1/4057 ,  H04N1/4058

摘要： A threshold matrix creating method creates threshold value matrixes for quantizing multi-level image data into three or more valued data in order to represent halftone by ON and OFF states of a plurality of kinds of dots. The method includes a first stage which determines a threshold value layout order of the threshold value matrixes for binarizing the multi-level image data in order to represent the halftone by ON and OFF states of one kind of dot, and a second stage which creates each of threshold value matrixes for quantizing the multi-level image data into three or more valued data, according to the threshold value layout order determined by the first stage.

摘要翻译： 阈值矩阵创建方法创建用于将多级图像数据量化为三个或更多个值数据的阈值矩阵，以便通过多个点的ON和OFF状态来表示半色调。 该方法包括第一阶段，其确定用于二值化多级图像数据的阈值矩阵的阈值布局顺序，以便通过一种点的ON和OFF状态来表示半色调，以及创建每个点的第二阶段 用于根据由第一级确定的阈值布局顺序将多级图像数据量化为三个或更多个值数据的阈值矩阵。

公开(公告)号：US20040150858A1

公开(公告)日：2004-08-05

申请号：US10732142

申请日：2003-12-10

发明人： Tomasz J. Cholewo ,  Brian W. Damon

IPC分类号： H04N001/405 ,  H04N001/52

CPC分类号： H04N1/6027 ,  H04N1/407

摘要： Image data is corrected in a device or system using multiple halftones by predicting a second tone transfer curve corresponding to a second halftone based on a first tone transfer curve corresponding to a first halftone. First and second tone transfer curve compensate for application of the first halftone and the second halftone, respectively, to image data. The first tone transfer curve is determined by measuring image data halftoned with the first halftone and developing a first tone transfer curve that linearizes the measured image data. To produce the second tone transfer response curve, measured values of image data halftoned with the second halftone are estimated based on a predetermined relationship between the measured image data that is halftoned with the first halftone and image data that is halftoned with the second halftone. The second tone transfer curve is then developed as the curve that linearizes the estimated measured values of image data halftoned with the second halftone.

摘要翻译： 基于与第一半色调对应的第一色调传递曲线，通过预测对应于第二半色调的第二色调传递曲线，在使用多个半色调的设备或系统中校正图像数据。 第一和第二色调传送曲线分别补偿第一半色调和第二半色调的应用到图像数据。 通过测量用第一半色调半色调的图像数据并且开发使所测量的图像数据线性化的第一色调传递曲线来确定第一色调传递曲线。 为了产生第二色调传送响应曲线，基于用第一半色调半色调的测量图像数据和用第二半色调半色调的图像数据之间的预定关系来估计用第二半色调半色调的图像数据的测量值。 然后，将第二色调传递曲线作为将第二半色调半色调的图像数据的估计测量值线性化的曲线展开。

公开(公告)号：US20040136035A1

公开(公告)日：2004-07-15

申请号：US10725739

申请日：2003-12-02

发明人： Rudi Bartels

IPC分类号： H04N001/405

CPC分类号： H04N1/4055

摘要： A method for generating a screened representation of an image, includes the steps of: (a) generating a first dot of the screened representation, wherein the first dot has a first dot size of at least two microdots; (b) repeating the dot generation step until a first number of the first dots are generated; (c) arranging the first number of dots in a frequency modulated pattern; (d) selecting a second number of second dots out of the first dots, wherein the second number is at most equal to the first number and larger than zero; and (e) enlarging the second dots by adding one or more microdots to each of the second dots.

摘要翻译： 一种用于生成图像的被屏蔽表示的方法，包括以下步骤：（a）产生所述被筛选表示的第一点，其中所述第一点具有至少两个微点的第一点大小; （b）重复所述点生成步骤，直到产生第一数量的第一点; （c）以频率调制图案排列第一数量的点; （d）从所述第一点中选择第二数量的第二点，其中所述第二数目最多等于所述第一数目并且大于零; 和（e）通过向每个第二点添加一个或多个微点来扩大第二点。

公开(公告)号：US20040130753A1

公开(公告)日：2004-07-08

申请号：US10337031

申请日：2003-01-06

发明人： Kenneth R. Crounse

IPC分类号： H04N001/405 ,  H04N001/409 ,  H04N001/52 ,  H04N001/58

CPC分类号： H04N1/4057

摘要： A threshold mask for converting a contone image to a halftone image defines halftone cells that define halftone dots that undergo a growth in population as tone levels increase. After some growth in population, the halftone cells define halftone dots that then grow in size from a first predetermined size as tone levels increase further. During the growth in population, the halftone dots having a second predetermined size are placed into halftone gaps. The second predetermined size is smaller than the first predetermined size. In the simplest implementation, FM screening is used up to a tone level where the FM dither pattern holes begin to become visible. At this point AM screening is applied only to the remaining dot centers (corresponding to those holes) until they reach the stable dot size. Then, the dots are further grown according to the method used outside of the FM regime (e.g. the conventional AM process). In the FM regime, two types of visual disturbances can arise. The nullFM regimenull is the range of tones for which some form of FM screening is being used, and applies to all tones lighter than the one in which all halftone dot centers have, at minimum, achieved the stable halftone dot. In this regime, disturbances can arise due to: 1) variations in printed halftone dots smaller than the minimum stable size; and 2) unpleasant patterns produced by the dithered stable dots. The present invention allows for the creation of a screen with the best trade-off between these disturbances at tone levels in the FM regime.

摘要翻译： 用于将连续色调图像转换为半色调图像的阈值掩码定义了定义半色调单元，该色调单元定义随着色调级别增加而经历增长的半色调点。 在群体的一些增长之后，半色调细胞限定半色调点，然后随着色调水平的进一步增加，第一预定尺寸的大小也随之增长。 在种群生长期间，将具有第二预定尺寸的半色调点放置在半色调间隙中。 第二预定尺寸小于第一预定尺寸。 在最简单的实现中，FM屏蔽被使用到音调级别，其中FM抖动图案孔开始变得可见。 此时，AM筛选仅应用于剩余的点中心（对应于那些孔），直到它们达到稳定的点尺寸。 然后，根据在FM状态之外使用的方法进一步生长点（例如常规AM工艺）。 在FM方案中，可能会出现两种类型的视觉障碍。 “FM方式”是使用某种形式的FM屏幕的音调范围，并且适用于所有色调比所有网版中心所具有的色调都至少达到稳定的半色调点。 在这种情况下，可能会出现干扰：1）印刷半色调点的变化小于最小稳定尺寸; 和2）由抖动的稳定点产生的不愉快的图案。 本发明允许创建一个屏幕，在FM状态下，在音调级别的这些干扰之间具有最佳权衡。

公开(公告)号：US20040114185A1

公开(公告)日：2004-06-17

申请号：US10318614

申请日：2002-12-12

申请人： Xerox Corporation

发明人： Jeng-nan Shiau ,  Ying-wei Lin

IPC分类号： H04N001/405 ,  G06T007/00 ,  G06K009/56

CPC分类号： G06K9/00456 ,  H04N1/40062 ,  H04N1/405

摘要： A method to detect frequency and angle of a binary halftone pattern. The method employs an exclusive-or operation which is applied locally to a region of a binary bit map and its spatially shifted version. The resulting bits from the exclusive-or operation are summed over the region. The exclusive-or operation is repeated for a range of shift values. In a halftone region, the shift at which the minimum sum occurs reflects the angle and the frequency of the halftone.

摘要翻译： 检测二进制半色调图案的频率和角度的方法。 该方法采用本地应用于二进制位图及其空间位移版本的区域的异或运算。 来自独占或操作的结果位在该区域相加。 对一系列移位值重复执行异或操作。 在半色调区域中，最小和发生的偏移反映了半色调的角度和频率。

公开(公告)号：US20040095610A1

公开(公告)日：2004-05-20

申请号：US10713077

申请日：2003-11-17

申请人： Silverbrook Research Pty Ltd.

发明人： Simon Robert Walmsley ,  Paul Lapstun

IPC分类号： H04N001/405

CPC分类号： G06F3/1208 ,  G06F3/1213 ,  G06F3/1277 ,  G06F3/1282

摘要： A print engine/controller chip (10) is configurable to be coupled with other like devices to drive a printhead (33). The print engine/controller chip has an interface (27) for receiving compressed page data. Image decoders (28, 88) decode compressed image planes image decoders to perform an expansion, in pipeline fashion, for the received compressed page data. A half-toner/compositer (29) composites respective strips of the decoded image planes and sends output to a printhead interface (32). A printhead interface (32) interfaces with the printhead. A synchronization signal generator (89,90) may output a synchronization signal that is used to synchronize print engine/controllers. One printhead interface (32) preferably acts as master generating the synchronization signal to synchronize all the print engine/controllers to drive the printhead at any one or more of higher speed, higher input resolution, higher outlet resolution or wider format. The print engine/controller is a chip having a micro-controller CPU core.

摘要翻译： 打印引擎/控制器芯片（10）可配置为与其他类似设备耦合以驱动打印头（33）。 打印引擎/控制器芯片具有用于接收压缩页面数据的接口（27）。 图像解码器（28,88）解码压缩图像平面图像解码器，以流水线方式对接收到的压缩页面数据进行扩展。 半色调/合成器（29）复合各个解码图像平面的条，并将输出发送到打印头接口（32）。 打印头接口（32）与打印头接口。 同步信号发生器（89,90）可以输出用于同步打印引擎/控制器的同步信号。 优选地，一个打印头接口（32）充当主产生同步信号以同步所有打印引擎/控制器以以更高速度，更高输入分辨率，更高出口分辨率或更宽格式的任何一个或多个来驱动打印头。 打印引擎/控制器是具有微控制器CPU内核的芯片。

公开(公告)号：US20040095607A1

公开(公告)日：2004-05-20

申请号：US10713081

申请日：2003-11-17

申请人： Silverbrook Research Pty Ltd

发明人： Simon Robert Walmsley ,  Paul Lapstun

IPC分类号： G06K015/02 ,  H04N001/405 ,  H04N001/387 ,  H04N001/52 ,  H04N001/50 ,  H04N001/64 ,  H04N001/21 ,  G06T001/20

CPC分类号： G06F3/1208 ,  G06F3/1213 ,  G06F3/1277 ,  G06F3/1282

摘要： A printer with synchronized engine/controllers is disclosed. The printer has a multi-segment printhead. Each engine/controller (10) configured to be coupled with others to drive the printhead (33). Each engine/controller (10) has an interface (27) at which to receive compressed page data. Image decoders (28, 88) decode compressed image planes image decoders to perform an expansion, in pipeline fashion, for the received compressed page data. A half-toner/compositor (29) composites respective strips of the decoded image planes and sends output to a printhead interface (32). A printhead interface (32) interfaces with the printhead. A synchronization signal generator (89, 90) may output a synchronization signal that is used to synchronize print engine/controllers. One printhead interface (32) preferably acts as master generating the synchronization signal to synchronize all the print engine/controllers to drive the printhead at any one or more of higher speed, higher input resolution, higher outlet resolution or wider format. The printhead interface comprises two LineSyncGen units, a first LineSyncGen unit providing a synchronization signal for multiple print engine/controller chips and a second LineSyncGen unit adapted to pulse a paper drive stepping motor.

摘要翻译： 公开了具有同步引擎/控制器的打印机。 打印机具有多段打印头。 每个发动机/控制器（10）被配置为与其他装置联接以驱动打印头（33）。 每个发动机/控制器（10）具有用于接收压缩页面数据的接口（27）。 图像解码器（28,88）解码压缩图像平面图像解码器，以流水线方式对接收到的压缩页面数据进行扩展。 半色调剂/合成器（29）将各个解码图像平面的条带复合并将输出发送到打印头接口（32）。 打印头接口（32）与打印头接口。 同步信号发生器（89,90）可以输出用于同步打印引擎/控制器的同步信号。 优选地，一个打印头接口（32）充当主产生同步信号以同步所有打印引擎/控制器以以更高速度，更高输入分辨率，更高出口分辨率或更宽格式的任何一个或多个来驱动打印头。 打印头接口包括两个LineSyncGen单元，第一LineSyncGen单元为多个打印引擎/控制器芯片提供同步信号，以及第二LineSyncGen单元，适用于脉冲纸驱动步进电机。