专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

31. 发明授权

US08760714B1 Color space conversion 失效
标题翻译：色彩空间转换
公开(公告)号：US08760714B1
公开(公告)日：2014-06-24
申请号：US12868562
申请日：2010-08-25
申请人： Douglas G. Keithley
发明人： Douglas G. Keithley
IPC分类号： H04N1/60
CPC分类号： H04N1/60 , G06K15/102 , G06K15/129 , G06K15/1878 , H04N1/6019 , H04N2201/0094
摘要： A color space converter converts data points from one color space to another color space using a lookup table. Color space converters may be used in any device that involves image processing, such as displays and printers. An interface receives an input value in a first color space. A controller access a lookup table stored in memory to determine an upper bound and a lower bound of a subset of the color space. An output value is interpolated between the upper bound and the lower bound using interpolation values. The interpolation values of the last subset in any dimension of the color space are modified by a scale factor to approximate ideal values.
摘要翻译：色彩空间转换器使用查找表将数据点从一个颜色空间转换到另一个颜色空间。彩色空间转换器可用于涉及图像处理的任何设备，如显示器和打印机。接口在第一个颜色空间中接收输入值。控制器访问存储在存储器中的查找表，以确定颜色空间的子集的上限和下限。使用插补值在上限和下限之间插值输出值。颜色空间的任何维度中最后一个子集的内插值由比例因子修改为近似理想值。

32. 发明授权

US08643661B1 Non raster row pixel processing 失效
标题翻译：非栅格行像素处理
公开(公告)号：US08643661B1
公开(公告)日：2014-02-04
申请号：US11801884
申请日：2007-05-11
申请人： Douglas G. Keithley , Gordon R. Clark , John D. Marshall , William R. Schmidt
发明人： Douglas G. Keithley , Gordon R. Clark , John D. Marshall , William R. Schmidt
IPC分类号： G09G5/36
CPC分类号： G06T1/60
摘要： A system and method for processing digital images that efficiently buffers pixel data relating to digital images is disclosed. Pixel values are read from an image storage memory and temporarily stored in a buffer memory according to a non-raster pattern. The processing of pixels also occurs according to a more efficient non-raster pattern.
摘要翻译：公开了一种用于处理有效缓冲与数字图像相关的像素数据的数字图像的系统和方法。从图像存储存储器读取像素值，并根据非光栅图案临时存储在缓冲存储器中。像素的处理也根据更有效的非光栅图案进行。

33. 发明授权

US08630031B1 Color adjustment for a scanned image 失效
标题翻译：扫描图像的颜色调整
公开(公告)号：US08630031B1
公开(公告)日：2014-01-14
申请号：US11811990
申请日：2007-06-13
申请人： Douglas G. Keithley
发明人： Douglas G. Keithley
IPC分类号： G03F3/08
CPC分类号： H04N1/60 , H04N1/608
摘要： The color of a pixel in a scanned image is represented by two color components and is adjustable by interpolating between color component values obtained from elements in a bidimensional color remap look-up table. The table is sparsely populated and may be readily implemented in most scanner circuits without adding memory.
摘要翻译：扫描图像中的像素的颜色由两个颜色分量表示，并且可以通过在从二值颜色重映射查找表中的元素获得的颜色分量值之间进行内插来进行调整。表格稀疏，并且可以容易地在大多数扫描仪电路中实现，而不增加存储器。

34. 发明授权

US08537424B1 On-the-fly halftone image generation 失效
标题翻译：实时半色调图像生成
公开(公告)号：US08537424B1
公开(公告)日：2013-09-17
申请号：US12858346
申请日：2010-08-17
申请人： Douglas G. Keithley , Roy G. Moss
发明人： Douglas G. Keithley , Roy G. Moss
IPC分类号： H04N1/40 , H04N1/60 , H04N1/52
CPC分类号： G06K15/1881 , H04N1/4058
摘要： Some of the embodiments of the present disclosure provide a method comprising forming an array comprising a plurality of microcells, each microcell of the plurality of microcells including a plurality of pixels; for each pixel in each of the plurality of microcells, assigning (i) a respective pixel offset factor that is associated with a relative position of the pixel in the respective microcell, and (ii) a respective microcell offset factor that is associated with an index of the respective microcell; and for each pixel in each of the plurality of microcells, determining a respective final offset factor that is based at least in part on the respective pixel offset factor and the respective microcell offset factor. Other embodiments are also described and claimed.
摘要翻译：本公开的一些实施例提供了一种方法，包括形成包括多个微小区的阵列，所述多个微小区中的每个微小区包括多个像素; 对于所述多个微单元中的每一个中的每个像素，分配（i）与相应微小区中的像素的相对位置相关联的相应像素偏移因子，以及（ii）与索引相关联的相应微小区偏移因子的微单元; 并且对于多个微小区中的每一个中的每个像素，确定至少部分地基于相应的像素偏移因子和相应的微小区偏移因子的相应的最终偏移因子。还描述和要求保护其他实施例。

35. 发明申请

US20120154829A1 METHODS AND SYSTEMS FOR IMAGE SCALING 有权
标题翻译：图像缩放方法与系统
公开(公告)号：US20120154829A1
公开(公告)日：2012-06-21
申请号：US13399411
申请日：2012-02-17
申请人： Douglas G. Keithley , David A. Bartle
发明人： Douglas G. Keithley , David A. Bartle
IPC分类号： G06K15/02 , G06K9/68
CPC分类号： G06T3/4023
摘要： A controller for scaling an input image is provided. The controller selects a pixel neighborhood that includes a plurality of pixels neighboring a pixel. The controller compares at least part of the pixel neighborhood to a pattern. If the pattern is present in the pixel neighborhood, the controller applies a scaling algorithm to at least a portion of the pixel neighborhood in order to obtain a scaled image. The controller also selects another pixel neighborhood that includes a plurality of pixels neighboring a pixel in the scaled image, and compares at least part of the another pixel neighborhood to another pixel pattern. If the another pixel pattern is present in the another pixel neighborhood, the controller applies a correction algorithm to at least a portion of the another pixel neighborhood in order to obtain a processed scaled image.
摘要翻译：提供了用于缩放输入图像的控制器。控制器选择包括与像素相邻的多个像素的像素邻域。控制器将像素邻域的至少一部分与图案进行比较。如果图案存在于像素邻域中，则控制器将缩放算法应用于像素邻域的至少一部分以获得缩放图像。控制器还选择另外的像素邻域，该像素邻域包括与缩放图像中的像素相邻的多个像素，并且将另一个像素邻域的至少一部分与另一个像素图案进行比较。如果另一像素图案存在于另一个像素邻域中，则控制器对另一像素邻域的至少一部分应用校正算法，以获得经处理的缩放图像。

36. 发明授权

US08085287B2 Laser printer with reduced banding artifacts 有权
标题翻译：具有减少条带伪影的激光打印机
公开(公告)号：US08085287B2
公开(公告)日：2011-12-27
申请号：US11856478
申请日：2007-09-17
申请人： Douglas G. Keithley
发明人： Douglas G. Keithley
IPC分类号： B41J2/435
CPC分类号： B41J2/435 , B41J2/47 , G03G15/754 , G06K15/1204 , G06K2215/111 , H04N1/1135 , H04N1/12 , H04N2201/0458
摘要： A laser scanning assembly generates a laser beam and scans the laser beam through a plurality of scan lines to form desired dots. Each scan line is positioned to overlap an adjacent scan line and each dot includes a plurality of segments. The scanning assembly scans the laser beam through multiple scan lines to fully discharge each segment of each dot. The laser scanner assembly would typically be part of a laser printer.
摘要翻译：激光扫描组件产生激光束并通过多条扫描线扫描激光束以形成所需的点。每个扫描线被定位成与相邻扫描线重叠，并且每个点包括多个段。扫描组件通过多个扫描线扫描激光束，以完全放电每个点的每个段。激光扫描器组件通常是激光打印机的一部分。

37. 发明授权

US07904614B1 Direct memory access controller with multiple transaction functionality 有权
标题翻译：具有多种交易功能的直接内存访问控制器
公开(公告)号：US07904614B1
公开(公告)日：2011-03-08
申请号：US11821406
申请日：2007-06-22
申请人： John D. Marshall , Douglas G. Keithley , William R. Schmidt
发明人： John D. Marshall , Douglas G. Keithley , William R. Schmidt
IPC分类号： G06F13/28 , G06F3/00
CPC分类号： G06F13/28
摘要： A direct memory access controller is set forth. The direct memory access controller includes first and second registers storing various values that are used to set the parameters of DMA transfers that take place during a single data transaction. The first register stores a start address location value used to define a start address at which direct memory access transfers for the transaction are to begin. The second register stores a value used to end data transfers of the data transaction. The DMA controller also includes transfer control circuitry for executing the data transaction. The transfer control circuitry is adapted to automatically execute multiple, consecutive data transactions using the values stored in the first and second registers.
摘要翻译：提出了一种直接存储器访问控制器。直接存储器访问控制器包括第一和第二寄存器，其存储用于设置在单个数据事务期间发生的DMA传输的参数的各种值。第一个寄存器存储一个起始地址位置值，用于定义起始地址，交易的直接存储器访问转移开始。第二个寄存器存储用于结束数据事务的数据传输的值。 DMA控制器还包括用于执行数据事务的传输控制电路。转移控制电路适于使用存储在第一和第二寄存器中的值来自动执行多个连续的数据事务。

38. 发明授权

US07839424B1 Horizontal strip column-first two-dimensional scaling 有权
标题翻译：水平条柱首先二维缩放
公开(公告)号：US07839424B1
公开(公告)日：2010-11-23
申请号：US11827931
申请日：2007-07-13
申请人： Gordon R. Clark , Douglas G. Keithley
发明人： Gordon R. Clark , Douglas G. Keithley
IPC分类号： G09G5/00
CPC分类号： G09G5/393 , G09G5/395 , G09G2340/0407 , G09G2340/0414 , G09G2340/0421 , G09G2340/0428 , G09G2340/0471 , G09G2340/0478
摘要： A system is provided for scaling image data comprising a Direct Memory Access (DMA) engine adapted to read the image data from a horizontal pixel strip in a column-by-column format, a scaling block adapted to scale the image data read by the read DMA engine into scaled column output data, and a buffer memory for storing the scaled column output data for the horizontal pixel strip. A method is also provided for scaling an image comprising reading pixel values from a pixel strip in a column-by-column manner across the pixel strip and scaling the pixel values for each column to produce scaled column output data. The scaled column output data for a plurality of columns is then read and the scaled column output data is scaled from the plurality of columns to produce scaled row output data for a row of pixels.
摘要翻译：提供了一种用于缩放图像数据的系统，该图像数据包括适于以逐列格式从水平像素条读取图像数据的直接存储器访问（DMA）引擎，适于缩放由读取的读取的图像数据的缩放块 DMA引擎转换为缩放列输出数据，以及缓冲存储器，用于存储水平像素条的缩放列输出数据。还提供了一种用于缩放图像的方法，该图像包括以逐列方式跨越像素条读取像素值并缩放每列的像素值以产生缩放的列输出数据。然后读取多个列的缩放的列输出数据，并且从多个列缩放缩放的列输出数据，以产生一行像素的缩放的行输出数据。

39. 发明授权

US07707349B1 USB isochronous data transfer for a host based laser printer 失效
标题翻译：用于基于主机的激光打印机的USB等时数据传输
公开(公告)号：US07707349B1
公开(公告)日：2010-04-27
申请号：US11803115
申请日：2007-05-11
申请人： Douglas G. Keithley
发明人： Douglas G. Keithley
IPC分类号： G06F13/20 , G06F13/00
CPC分类号： G06F13/385 , H04N1/00214 , H04N1/00217 , H04N1/00278 , H04N2201/0041 , H04N2201/0049
摘要： A system, method, and processor executable instructions to isochronously communicate in standard USB mode laser printer scan data from a host computer to a laser printer. The host computer transmits a data stream that includes data packets having laser printer scan data, error detection information, and correction packets such as parity packets for use to reconstruct packets having an error. The laser printer receives the data stream, processes the error detection information, data packets and parity packets, and provides a continuous stream of laser printer scan data for printing.
摘要翻译：一种系统，方法和处理器可执行指令，以标准USB模式激光打印机将数据从主机扫描数据同步到激光打印机。主计算机发送包括具有激光打印机扫描数据的数据包，错误检测信息和诸如用于重建具有错误的分组的奇偶校验分组的校正分组的数据流。激光打印机接收数据流，处理错误检测信息，数据包和奇偶数据包，并提供连续的激光打印机扫描数据流打印。

40. 发明申请

US20100047001A1 MULTI-FUNCTION DEVICE ARCHITECTURE 有权
标题翻译：多功能设备架构
公开(公告)号：US20100047001A1
公开(公告)日：2010-02-25
申请号：US12543209
申请日：2009-08-18
申请人： Mark D. Montierth , Douglas G. Keithley , Richard D. Taylor
发明人： Mark D. Montierth , Douglas G. Keithley , Richard D. Taylor
IPC分类号： B41J11/44
CPC分类号： H04N1/10 , G03G15/04072 , G03G21/1666 , G03G2215/0404 , G03G2221/1636 , H04N1/00525 , H04N1/195 , H04N2201/0091 , H04N2201/0094
摘要： Embodiments of the present invention provide a multi-function device including a housing, a printing assembly disposed within the housing, the printing assembly being configured to print a document, and a copying assembly comprising a complementary metal-oxide-semiconductor (CMOS) image sensor and an illumination source disposed within the housing, the copying assembly further including a substantially flat transparent surface disposed in an optical path of the CMOS image sensor, the substantially flat transparent surface to support an object for image capture by the CMOS image sensor, wherein the illumination source is configured to provide illumination during image capture. Other embodiments may be described and/or claimed.
摘要翻译：本发明的实施例提供一种多功能装置，其包括壳体，设置在壳体内的打印组件，打印组件被配置为打印文档，以及复印组件，包括互补金属氧化物半导体（CMOS）图像传感器以及设置在所述壳体内的照明源，所述复印组件还包括设置在所述CMOS图像传感器的光路中的基本上平坦的透明表面，所述基本平坦的透明表面用于支撑由CMOS图像传感器进行图像捕获的物体，其中，照明源被配置为在图像捕获期间提供照明。可以描述和/或要求保护其他实施例。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式