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    • 4. 发明授权
    • Systems and methods for color data compression
    • 彩色数据压缩的系统和方法
    • US08098942B2
    • 2012-01-17
    • US12165596
    • 2008-06-30
    • Peter Johnston
    • Peter Johnston
    • G36K9/36G36K9/46G36K9/00G36K15/02
    • H04N1/648
    • Systems and methods are provided for reducing data size of at least one bitmap image, wherein the bitmap image comprises a plurality of color blocks, wherein each color block is associated with a distinct color plane. In some embodiments, the bitmap image may be compressed. At least one compressed color block that is contained in a transfer frame may be determined, based on information pertaining to a physical offset between successive color planes when they are rendered on a print medium. Further, at least one compressed color block in the transfer frame may be tagged, if the size of the transfer frame exceeds a threshold, and the resolution of the at least one compressed color block that is tagged may be reduced.
    • 提供了用于减少至少一个位图图像的数据大小的系统和方法,其中位图图像包括多个颜色块,其中每个颜色块与不同的颜色平面相关联。 在一些实施例中,位图图像可以被压缩。 可以基于当在打印介质上呈现连续色彩平面之间的物理偏移的信息时,确定包含在传送帧中的至少一个压缩颜色块。 此外,如果传输帧的大小超过阈值,则可以标记传送帧中的至少一个压缩颜色块,并且可以减少标记的至少一个压缩颜色块的分辨率。
    • 9. 发明授权
    • Systems and methods for processing pixel data for a printer
    • 用于处理打印机像素数据的系统和方法
    • US07957025B2
    • 2011-06-07
    • US11479596
    • 2006-06-30
    • Peter Johnston
    • Peter Johnston
    • H04N1/00G06K15/22G06K15/00
    • H04N1/40
    • An apparatus and method for processing pixel data is presented that includes an image forming apparatus that includes an image forming module coupled to a data control module that comprises a plurality of memory units, wherein each of the memory units stores a corresponding portion of pixel data of an image. The data control module writes out portions of pixel data stored in corresponding memory units to the image forming module and dynamically associates each memory unit with a further portion of pixel data after its corresponding portion of pixel data has been written out.
    • 提出了一种用于处理像素数据的装置和方法,其包括图像形成装置,该图像形成装置包括耦合到数据控制模块的图像形成模块,所述数据控制模块包括多个存储器单元,其中每个存储器单元存储相应部分的像素数据 一个图像。 数据控制模块将存储在相应存储器单元中的像素数据的部分写入图像形成模块,并且在其对应的像素数据部分被写出之后,将每个存储器单元与另一部分像素数据动态关联。
    • 10. 发明授权
    • Systems and methods for processing pixel data for a printer
    • 用于处理打印机像素数据的系统和方法
    • US07907303B2
    • 2011-03-15
    • US11479896
    • 2006-06-30
    • Peter Johnston
    • Peter Johnston
    • G06K15/00G06F3/12
    • G06K15/128G06K15/1204G06K15/1857
    • An apparatus and method for processing pixel data is presented that includes a plurality of image forming modules coupled to a data control module. The data control module includes a plurality of memory units. Each memory unit can store a portion of an image. The data control module receives a first signal and a second signal and selects at least one of the plurality of image forming modules to send the image portions stored in the plurality of memory units based on a timing relationship between a first image alignment event on the first signal and a second image alignment event on the second signal.
    • 提出了一种用于处理像素数据的装置和方法,其包括耦合到数据控制模块的多个图像形成模块。 数据控制模块包括多个存储单元。 每个存储单元可以存储图像的一部分。 数据控制模块接收第一信号和第二信号,并且选择多个图像形成模块中的至少一个,基于第一图像对准事件在第一图像对准事件之间的定时关系发送存储在多个存储单元中的图像部分 信号和第二图像对准事件。