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    • 3. 发明申请
    • SYSTEM AND METHOD FOR VIDEO SUMMARIZATION AND NAVIGATION BASED ON STATISTICAL MODELS
    • 基于统计模型的视频总结和导航系统与方法
    • US20120315010A1
    • 2012-12-13
    • US13492510
    • 2012-06-08
    • Xiaoping ZhangJunfeng Jiang
    • Xiaoping ZhangJunfeng Jiang
    • H04N9/80H04N5/775
    • G11B27/005G06F17/30846H04N5/147H04N5/783H04N5/93H04N9/8227H04N21/44008H04N21/47217H04N21/8456
    • The disclosed method calculates video time density functions based on inter-frame mutual information or other similarity measures. The method includes acquiring a video sequence from memory, computing mutual information or other similarity measures between two consecutive frames of the video sequence, and constructing a video temporal density function based on the mutual information or similarity measures. The method enables fast navigation of the video sequence by performing a temporal quantization of the video time density function to determine a set of quanta. The video sequence can be navigated using the nearest neighbor video frames to the set of quanta. The method enables thumbnail extraction of a video sequence using statistical modeling by performing a temporal quantization of the video time density function to segment video sequence in time domain and using mixture (such as Gaussian mixture and ICA mixture) vector quantization to find the sample frames for each temporal segment.
    • 所公开的方法基于帧间相互信息或其他相似性度量来计算视频时间密度函数。 该方法包括从存储器获取视频序列,计算视频序列的两个连续帧之间的相互信息或其他相似性度量,以及基于相互信息或相似性度量构建视频时间密度函数。 该方法通过执行视频时间密度函数的时间量化来确定一组量子,从而能够快速导航视频序列。 视频序列可以使用最近邻视频帧导航到量子集。 该方法通过使用视频时间密度函数的时间量化来在时域中分割视频序列并使用混合(诸如高斯混合和ICA混合)矢量量化来使用统计建模缩略图提取视频序列,以找到用于 每个时间段。
    • 5. 发明申请
    • Virtual network projection system supporting multiple projection sources and method thereof
    • 支持多种投影源的虚拟网络投影系统及其方法
    • US20080270512A1
    • 2008-10-30
    • US12077249
    • 2008-03-18
    • Xiaobing GuoDekui ZhangXiaoping ZhangXiaoyu ZhouShaowei ChenYiqiang Yan
    • Xiaobing GuoDekui ZhangXiaoping ZhangXiaoyu ZhouShaowei ChenYiqiang Yan
    • G06F15/16
    • G09G3/002G06F3/1423G06F3/1454
    • A network projection system and method are disclosed, the system comprises announcement means for announcing virtual network projection device information over a network and receiving a projection request from at least one network projection source, projection data receiving means for receiving data used in projection from the at least one network projection source, processing means for processing the data received from the at least one network projection source to meet a user's requirement, and projection data displaying means for displaying the processed projection data on a connected display device or transmitting the processed projection data to another network projection device over the network. With the structure of the present invention, a common display device can be virtualized as a network projection device to facilitate simultaneous display of projection contents from multiple projection sources on the same screen or switching of display via the network.
    • 公开了一种网络投影系统和方法,所述系统包括用于通过网络通知虚拟网络投影设备信息并从至少一个网络投影源接收投影请求的通知装置,用于接收来自at的投影使用的投影数据接收装置的投影数据接收装置 至少一个网络投影源,用于处理从所述至少一个网络投影源接收的数据以满足用户需求的处理装置;以及投影数据显示装置,用于在所连接的显示装置上显示经处理的投影数据或将所处理的投影数据发送到 网络上的另一个网络投影设备。 利用本发明的结构,可以将公共显示装置虚拟化为网络投影装置,以便同时从同一屏幕上的多个投影源投影内容或通过网络切换显示。
    • 6. 发明授权
    • Basic common optical cell configuration of dual cavities for optical tunable devices
    • US06727562B2
    • 2004-04-27
    • US10165490
    • 2002-06-07
    • Naiqian HanJidong HouXiaoping ZhangLiji HuangGaofeng Wang
    • Naiqian HanJidong HouXiaoping ZhangLiji HuangGaofeng Wang
    • H01L2982
    • H01S5/18366H01S5/0207
    • The present invention discloses a tunable optical device. The tunable optical device includes a tuning cavity having a tuning means provided for alternately bonding to at least two different tunable optical cells each comprising a tuning membrane wherein the tuning cavity disposed near the tuning membrane for moving the tuning membrane for tuning one of the at least two tunable optical cells bonded thereon. In a preferred embodiment, the tuning cavity further includes a first electrode disposed on the tuning membrane and a second electrode disposed on a substrate supporting the tuning cavity for applying a voltage to move the tuning membrane. In a preferred embodiment, the optical device further includes an optical device control circuit connected to the tuning means for controlling and moving the tuning membrane. In a preferred embodiment, the tuning cavity further includes through hole along an optical path for an optical transmission passing through the tunable membrane for providing an interface-free and ripple-free optical path for the optical transmission. In a preferred embodiment, the tunable optical cells constitute an optical filter for bonding to the tuning cavity and tunable by moving the tunable membrane. In a preferred embodiment, the tunable optical cells constitute an optical attenuator for bonding to the tuning cavity and tunable by moving the tunable membrane. In a preferred embodiment, the tunable optical cells constitute an optical switch for bonding to the tuning cavity and tunable by moving the tunable membrane. In a preferred embodiment, the tunable optical cells constitute an optical dispersion compensator for bonding to the tuning cavity and tunable by moving the tunable membrane. In a preferred embodiment, the optical device constitutes a micro-electro-mechanical system (MEMS) optical device manufactured by applying a micro-electro-mechanical system (MEMS) technology.
    • 7. 发明申请
    • INPUT METHOD, SMART TV AND SMART INTERACTION SYSTEM
    • 输入法,智能电视和智能互动系统
    • US20140165099A1
    • 2014-06-12
    • US14233443
    • 2012-06-29
    • Xiaoping ZhangZhepeng Wang
    • Xiaoping ZhangZhepeng Wang
    • H04N21/422
    • H04N21/42218G06F3/04886H04N5/4403H04N5/44591
    • The present invention provides an input method, a smart TV and a smart interaction system. The input method comprises: displaying a virtual keyboard having a key layout corresponding to that of a physical keyboard used for inputting to a smart TV; obtaining from the physical keyboard a first signal that is generated in response to an operator selecting a physical key on the physical keyboard and indicates information on position of the operator on the physical keyboard; and displaying on the virtual keyboard the position of the operator based on the first signal. The physical keyboard is consistent with the virtual keyboard displayed on the smart TV. Thus, each physical key on the physical keyboard can be found in the virtual keyboard. When a physical key on the physical keyboard is selected or triggered, the input process can be viewed visually on the smart TV. In this way, the input speed can be increased and the user experience can be improved.
    • 本发明提供一种输入方法,智能电视和智能交互系统。 输入方法包括:将具有与用于输入的物理键盘的键布局相对应的键布局的虚拟键盘显示到智能电视机; 从物理键盘获得响应于操作者选择物理键盘上的物理键而产生的第一信号,并且指示操作者在物理键盘上的位置的信息; 以及基于所述第一信号在所述虚拟键盘上显示所述操作者的位置。 物理键盘与智能电视机上显示的虚拟键盘一致。 因此,可以在虚拟键盘中找到物理键盘上的每个物理键。 当选择或触发物理键盘上的物理键时,可以在智能电视机上视觉上观看输入过程。 以这种方式,可以提高输入速度并提高用户体验。