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    • 3. 发明申请
    • Image Generation
    • 图像生成
    • US20140267321A1
    • 2014-09-18
    • US13798309
    • 2013-03-13
    • DISPLAYLINK (UK) LIMITED
    • William Stoye
    • G09G5/395
    • G09G5/006G06F3/1415G06F3/1423G06T1/60G09G5/395G09G2340/02G09G2370/12H04N21/4122H04N21/43632
    • A method of generating an image comprises receiving a signal over a USB interface comprising encoded display data for one or more rectangular group of pixel tiles within an image and position data for the or each group of pixel tiles. The coefficients are obtained from the encoded display data, maybe by converting variable bit length fields into AC coefficients and an inverse Haar transform performed on them to generate pixel data for each rectangular group of pixel tiles. A frame buffer, which may be part of the display, is then updated with the generated pixel data ready for output to the display device. Copy protection may also be incorporated using AES negotiated over HDPC.
    • 生成图像的方法包括通过USB接口接收信号,该USB接口包括图像内的一个或多个矩形像素块的编码显示数据,以及用于所述或每组像素瓦片的位置数据。 从编码的显示数据获得系数,可能通过将可变比特长度字段转换为AC系数,并对其进行反Haar变换,以生成每个矩形像素块的像素数据。 然后,可以是显示器的一部分的帧缓冲器随着生成的像素数据被更新,准备输出到显示设备。 复制保护也可以使用通过HDPC协商的AES来合并。
    • 4. 发明授权
    • Image generation
    • 图像生成
    • US09165538B2
    • 2015-10-20
    • US13798309
    • 2013-03-13
    • DisplayLink (UK) Limited
    • William Stoye
    • G09G5/00G09G5/395
    • G09G5/006G06F3/1415G06F3/1423G06T1/60G09G5/395G09G2340/02G09G2370/12H04N21/4122H04N21/43632
    • A method of generating an image comprises receiving a signal over a USB interface comprising encoded display data for one or more rectangular group of pixel tiles within an image and position data for the or each group of pixel tiles. The coefficients are obtained from the encoded display data, maybe by converting variable bit length fields into AC coefficients and an inverse Haar transform performed on them to generate pixel data for each rectangular group of pixel tiles. A frame buffer, which may be part of the display, is then updated with the generated pixel data ready for output to the display device. Copy protection may also be incorporated using AES negotiated over HDPC.
    • 生成图像的方法包括通过USB接口接收信号,该USB接口包括图像内的一个或多个矩形像素块的编码显示数据,以及用于所述或每组像素瓦片的位置数据。 从编码的显示数据获得系数,可能通过将可变比特长度字段转换为AC系数,并对其进行反Haar变换,以生成每个矩形像素块的像素数据。 然后,可以是显示器的一部分的帧缓冲器随着生成的像素数据被更新,准备输出到显示设备。 复制保护也可以使用通过HDPC协商的AES来合并。