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    • 72. 发明授权
    • Method and apparatus for providing a camera accessory with compression
    • 用于提供相机附件压缩的方法和装置
    • US06792148B1
    • 2004-09-14
    • US09680287
    • 2000-10-06
    • Sofie WergelandIvan MedvedHenrik BengtssonOla LennartssonKjell GustafssonTorsten CarlssonMagnus HollströmAnders LingeMagnus Tillgren
    • Sofie WergelandIvan MedvedHenrik BengtssonOla LennartssonKjell GustafssonTorsten CarlssonMagnus HollströmAnders LingeMagnus Tillgren
    • G06K936
    • H04N7/148H04N19/61H04N2007/145
    • A method and apparatus is described for providing a camera accessory to a wireless mobile terminal in a wireless radiocommunication system. The wireless mobile terminal has an image data interface and a physical interface for detachably coupling the camera accessory thereto. One or more frames of image data is captured in the camera accessory and compressed according to one or more compression formats. The captured and compressed frames are transferred to the wireless mobile terminal over the image data interface. The camera accessory does not include a display. Image data is captured in a predetermined format including a CIF format. Still image frames are compressed using a JPEG format and an image stream is compressed using an MPEG format. The captured and compressed frames are transferred to the wireless mobile terminal over the image data interface using respective predetermined formats including RGB CIF, YUV CIF, JPEG, MPEG, and MPEG-4 with CIF to QCIF conversion format. The image data interface includes a wired interface and wherein the camera accessory derives a power supply from the wireless mobile terminal or includes a wireless interface.
    • 描述了一种在无线无线电通信系统中为无线移动终端提供照相机附件的方法和装置。 无线移动终端具有图像数据接口和用于将照相机附件可拆卸地连接到其上的物理接口。 一个或多个图像数据帧在相机附件中被捕获并根据一种或多种压缩格式进行压缩。 捕获和压缩的帧通过图像数据接口传送到无线移动终端。 相机配件不包括显示屏。 以包括CIF格式的预定格式捕获图像数据。 静止图像帧使用JPEG格式压缩,图像流使用MPEG格式进行压缩。 捕获和压缩的帧通过图像数据接口使用各自的预定格式传送到无线移动终端,包括具有CIF至QCIF转换格式的RGB CIF,YUV CIF,JPEG,MPEG和MPEG-4。 图像数据接口包括有线接口,并且其中相机配件从无线移动终端获得电源或者包括无线接口。