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    • 47. 发明授权
    • Image processing method and apparatus for color enhancement and correction
    • 用于颜色增强和校正的图像处理方法和装置
    • US07986833B2
    • 2011-07-26
    • US11436173
    • 2006-05-18
    • Chung-Li ShenYu-Shan Hsu
    • Chung-Li ShenYu-Shan Hsu
    • G06K9/00G06K9/46G06K9/66G06K9/40
    • H04N1/62H04N1/6058H04N1/628
    • An image processing method and an image processing apparatus for color correction are provided. The image processing method for color correction comprises the steps of: (a) determining an angle on a color space according to an image data of a basic color, (b) determining a first straight line on the color space according to the angle, (c) determining a second straight line on the color space according to an image data of a pixel, wherein the second straight line is parallel to the first straight line, (d) calculating a distance between the second straight line and the first straight line in order to obtain a color intensity difference value, (e) correcting the image data of the pixel according to the color intensity difference.
    • 提供了一种用于颜色校正的图像处理方法和图像处理装置。 用于颜色校正的图像处理方法包括以下步骤:(a)根据基本颜色的图像数据确定颜色空间上的角度,(b)根据角度确定颜色空间上的第一直线, c)根据像素的图像数据确定颜色空间上的第二直线,其中第二直线平行于第一直线,(d)计算第二直线与第一直线之间的距离, 以获得颜色强度差值,(e)根据颜色强度差校正像素的图像数据。
    • 49. 发明申请
    • Gateway Shared Key
    • 网关共享密钥
    • US20080298593A1
    • 2008-12-04
    • US11755524
    • 2007-05-30
    • Li Shen
    • Li Shen
    • H04L9/14
    • H04L63/06H04L9/083H04L9/0838H04L63/0428H04L2209/60
    • Procedures for using common encrypt/decrypt keys are described. In an example, a scale key is generated for encrypting host media stream for more than one client. The scale key may be exchanged with a first client so that the host receives a first client key for decrypting a first client media stream. The host may send a gateway device the scale key such that the gateway device may use the scale key. In implementations, the host may receive a share key for decrypting end client media stream forwarded through the gateway device.
    • 描述使用通用加密/解密密钥的步骤。 在一个示例中,生成用于加密多于一个客户端的主机媒体流的缩放键。 缩放密钥可以与第一客户端交换,使得主机接收用于解密第一客户端媒体流的第一客户端密钥。 主机可以向网关设备发送比例密钥,使得网关设备可以使用比例密钥。 在实现中,主机可以接收用于解密通过网关设备转发的终端客户端媒体流的共享密钥。