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    • 52. 发明授权
    • Content processing methods using reversible watermarking
    • 使用可逆水印的内容处理方法
    • US08019116B2
    • 2011-09-13
    • US12476844
    • 2009-06-02
    • Jun TianJohn Stach
    • Jun TianJohn Stach
    • H04K1/00
    • H04N1/32299H04N1/32144H04N1/32304H04N1/3232H04N1/32331H04N1/32347
    • The ability to remove a watermark from encoded content (e.g., an image) opens the possibility of various novel applications. Several such applications are detailed. One employs a reversible watermark in conjunction with a second (robust) watermark. In this arrangement, the payload of the reversible watermark conveys information about the robust watermark (e.g., encoding parameters, or an error signal), permitting removal of the robust watermark from an uncorrupted encoded image. By such arrangements, the encoded image can be fully restored to its pristine, unencoded state even if several different watermarks have been applied.
    • 从编码内容(例如,图像)中去除水印的能力打开了各种新颖应用的可能性。 几个这样的应用程序是详细的。 一个结合第二(鲁棒)水印采用可逆水印。 在这种布置中,可逆水印的有效载荷传达关于鲁棒水印的信息(例如,编码参数或误差信号),允许从未损坏的编码图像中去除鲁棒水印。 通过这样的布置,即使已经应用了几个不同的水印,编码图像也可以完全恢复到其原始的未编码状态。
    • 53. 发明授权
    • Devices and methods for content sharing
    • 用于内容共享的设备和方法
    • US07970350B2
    • 2011-06-28
    • US11930310
    • 2007-10-31
    • Arnold SheynmanDaniel R. MuehlYingchun RanJun Tian
    • Arnold SheynmanDaniel R. MuehlYingchun RanJun Tian
    • H04B5/00
    • H04W8/005H04L67/1095H04M1/7253H04M1/72555H04M2250/02H04M2250/04H04M2250/64H04W4/80H04W8/22H04W12/04H04W28/18H04W76/14H04W84/12H04W88/06
    • Described are methods and devices for automatically coupling two or more mobile communication devices (502, 541) to share content such as calls, music, documents, video and games where two or more devices automatically determine the feasibility of sharing the content and negotiate to find an efficient manner in which to do so. In this way, the pairing between devices may be transparent to the users. Moreover, a better choice in a transport may be selected without user input. Each device may include a near field communication (NFC) device that when in range of the other device may automatically initiate pairing between the devices so that the devices may share content. The users of NFC enabled devices may have little or minimal interactions except that one or more users may bring the devices within range so that the NFCs may initiate the pairing between the devices.
    • 描述了用于自动耦合两个或多个移动通信设备(502,541)以共享诸如呼叫,音乐,文档,视频和游戏之类的内容的方法和设备,其中两个或多个设备自动地确定共享内容的可行性并且协商寻找 有效的方式来做到这一点。 以这种方式,设备之间的配对可能对用户是透明的。 此外,可以在没有用户输入的情况下选择运输中的更好的选择。 每个设备可以包括近场通信(NFC)设备,当在其他设备的范围内可以自动发起设备之间的配对,使得设备可以共享内容。 NFC使能的设备的用户可能具有很少或最小的相互作用,除了一个或多个用户可能使设备在范围内,使得NFC可以发起设备之间的配对。
    • 57. 发明申请
    • Establishing Full-Duplex Audio Over an Asynchronous Bluetooth Link
    • 通过异步蓝牙链路建立全双工音频
    • US20100273417A1
    • 2010-10-28
    • US12428642
    • 2009-04-23
    • Jun TianArnold SheynmanPhan Dao Minh Truong
    • Jun TianArnold SheynmanPhan Dao Minh Truong
    • H04B7/00
    • H04W80/06H04M1/6066H04W76/00
    • A method to establish a full-duplex audio connection over an asynchronous Bluetooth link between an audio terminal and a wireless audio device exchanges supported service classes and codecs between the audio terminal and the wireless audio device, negotiates a service class and a codec that are common to the audio terminal and the wireless audio device, and establishes an asynchronous audio connection between the audio terminal and the wireless audio device using the common service class and the codec. The audio connection established can depend on the software application desiring the audio connection plus the available service classes and codecs at the audio terminal and wireless audio device. For non-internet protocol (non-IP) audio applications, an ACL using AVDTP may be selected; for IP audio applications, an ACL using BNEP may be selected. Both AVDTP and BNEP can use codecs that support wide bandwidth audio.
    • 通过音频终端和无线音频设备之间的异步蓝牙链路建立全双工音频连接的方法在音频终端和无线音频设备之间交换支持的服务类别和编解码器,协商常见的服务类别和编解码器 到音频终端和无线音频设备,并且使用公共服务类和编解码器在音频终端和无线音频设备之间建立异步音频连接。 建立的音频连接可以取决于期望音频连接的软件应用加上音频终端和无线音频设备上的可用服务类别和编解码器。 对于非互联网协议(非IP)音频应用,可以选择使用AVDTP的ACL; 对于IP音频应用,可以选择使用BNEP的ACL。 AVDTP和BNEP都可以使用支持宽带宽音频的编解码器。
    • 59. 发明申请
    • Data Hiding Technique
    • 数据隐藏技术
    • US20090251490A1
    • 2009-10-08
    • US12227465
    • 2007-05-08
    • Dekun ZouJun TianJiefu ZhaiJeffrey Adam BloomJoan Llach
    • Dekun ZouJun TianJiefu ZhaiJeffrey Adam BloomJoan Llach
    • G09G5/00
    • H04N1/32251H04N1/32309H04N2201/3205H04N2201/3214H04N2201/3215H04N2201/323H04N2201/3236H04N2201/3239
    • Information available at a decoder is embedded into image content after decoding by first representing that information by at least one film grain pattern and then blending that at least one film grain pattern with the decoded image content. Such image content is typically in the form of a movie and examples of the information to be embedded include identification of the specific decoding device, the user of the decoding device, the time and date of decoding, the model number of the device, the versions of software running on the device, the status of the device or connections to the device, the contents of device registers or memory locations within the device, among many other possible data. When an unauthorized copy of image content is discovered, the copied image content undergoes a comparison to the decoded image content to generate difference data. Thereafter, the difference data undergoes comparison with a database of film grain patterns to recover the embedded data.
    • 通过首先通过至少一个胶片颗粒图案表示该信息,然后将该至少一个胶片颗粒图案与解码的图像内容进行混合,将解码器可用的信息嵌入到解码之后的图像内容中。 这样的图像内容通常是电影的形式,并且要嵌入的信息的示例包括特定解码装置的识别,解码装置的用户,解码的时间和日期,装置的型号,版本 在设备上运行的软件,设备的状态或与设备的连接,设备寄存器的内容或设备内的存储器位置以及许多其他可能的数据。 当发现图像内容的未授权复制时,复制的图像内容经历与解码图像内容的比较以产生差异数据。 此后,差分数据与胶片颗粒图案的数据库进行比较以恢复嵌入数据。