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    Method and device for converting scanned text to audio data via connection lines and lookup tables
    2.
    发明授权
    Method and device for converting scanned text to audio data via connection lines and lookup tables 有权
    通过连接线和查找表将扫描文本转换为音频数据的方法和设备

    公开(公告)号：US07675641B2

    公开(公告)日：2010-03-09

    申请号：US10975653

    申请日：2004-10-28

    Applicant: Chengwu Cui ,  Stuart Willard Daniel

    Inventor： Chengwu Cui ,  Stuart Willard Daniel

    IPC: G06F3/12 ,  H04N1/04 ,  H04N1/40 ,  G06K9/72

    CPC classification number: H04N1/0019 ,  G06K9/2054 ,  G06K2209/01 ,  G10L13/00 ,  H04N1/00132 ,  H04N1/2112 ,  H04N1/2154

    Abstract: Methods and devices for converting printed media into audio data. In one embodiment, a device includes a scanning platform for supporting the document to be scanned, a scanning mechanism for converting images on the document into image data, and a processor configured to convert the scanned image data into audio data. The device may further include printer components configured to create a hardcopy of the image data, an audio device such as a speaker, and an interface for outputting the image data or audio data.

    Abstract translation: 将印刷媒体转换成音频数据的方法和装置。 在一个实施例中，设备包括用于支持要扫描的文档的扫描平台，用于将文档上的图像转换为图像数据的扫描机构，以及被配置为将扫描的图像数据转换成音频数据的处理器。 该设备还可以包括被配置为创建图像数据的硬拷贝的打印机组件，诸如扬声器的音频设备以及用于输出图像数据或音频数据的接口。

    Method of converting color values
    5.
    发明授权
    Method of converting color values 有权
    转换颜色值的方法

    公开(公告)号：US6115031A

    公开(公告)日：2000-09-05

    申请号：US298741

    申请日：1999-04-23

    Applicant: Shaun Timothy Love ,  Stuart Willard Daniel ,  Steven Frank Weed

    Inventor： Shaun Timothy Love ,  Stuart Willard Daniel ,  Steven Frank Weed

    IPC: G09G5/06

    CPC classification number: H04N1/56 ,  H04N1/6016 ,  G09G5/06

    Abstract: A method of converting a first set of input color values, such as RGB color values, into a set of device colorants, such as CMY color values, includes the step of providing a look-up table associating a respective, predetermined set of CMY color values with each of a plurality of selected sets of RGB color values. The first set of RGB color values includes a first red color value, a first green color value and a first blue color value. A first random number is added to the first red color value to obtain a randomized red color value. A second random number is added to the first green color value to obtain a randomized green color value. A third random number is added to the first blue color value to obtain a randomized blue color value. Each of the randomized red color value, the randomized green color value and the randomized blue color value are compiled together to obtain a set of randomized RGB color values. A closest one of the selected sets of RGB color values in the look-up table is determined which is closest to the set of randomized RGB color values. The first set of RGB color values is converted into a set of CMY color values that is associated with the closest one of the selected sets of RGB color values in the look-up table. The random numbers which are added to the original RGB values are derived through a deterministic process based on the low order bits of those values.

    Abstract translation: 将诸如RGB颜色值的第一组输入颜色值转换为诸如CMY颜色值的一组设备着色剂的方法包括提供将相应的预定CMY颜色集合相关联的查找表的步骤 具有多个所选择的RGB颜色值集合中的每一个的值。 第一组RGB颜色值包括第一红色值，第一绿色值和第一蓝色颜色值。 将第一个随机数添加到第一个红色值，以获得随机的红色值。 将第二随机数添加到第一绿色值以获得随机化的绿色值。 将第三个随机数添加到第一个蓝色颜色值以获得随机的蓝色颜色值。 将随机化的红色值，随机化的绿色值和随机的蓝色颜色值中的每一个编译在一起以获得一组随机的RGB颜色值。 确定查找表中所选择的一组RGB颜色值中最接近的一组最接近随机RGB颜色值的集合。 第一组RGB颜色值被转换成与查询表中所选择的RGB颜色值中最接近的一组相关联的一组CMY颜色值。 通过基于这些值的低阶比特的确定性过程导出添加到原始RGB值的随机数。

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