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    • 2. 发明授权
    • Correcting row and column shifts in a calibration matrix for a projection system
    • 在投影系统的校准矩阵中校正行和列移位
    • US08267531B2
    • 2012-09-18
    • US12748202
    • 2010-03-26
    • Steve NelsonVictor Ivashin
    • Steve NelsonVictor Ivashin
    • G03B21/26G03B21/14H04N5/66H04N3/22G09G5/00
    • H04N9/3194H04N9/3147H04N9/3185
    • A method for correcting a projection from a plurality of digital projectors is provided. The method includes receiving as an input a matrix which maps each pixel to be projected to a captured pixel that includes a row value and a column value and detecting a shift with respect row or column values in the matrix. The method further includes determining attributes of the shift, wherein the attributes include a type for the shift and an overlap length for the shift. A gradient length is determined from the overlap length. A gradient of pixel weightings is generated for each gradient length. The pixel weightings are uniformly sloping and are associated with pixels in the gradient length and neighboring pixels. Intersecting gradients re merged and a list that includes common points and diagonal points is created from the merging process. The method operations may be embodied as code on a computer readable storage medium.
    • 提供了一种用于从多个数字投影仪校正投影的方法。 该方法包括:接收作为输入的矩阵,其将要投影的每个像素映射到包括行值和列值的捕获像素,并且检测相对于矩阵中的行或列值的移位。 所述方法还包括确定所述偏移的属性,其中所述属性包括所述偏移的类型和所述偏移的重叠长度。 从重叠长度确定梯度长度。 每个梯度长度产生像素加权的梯度。 像素权重是均匀倾斜的,并且与渐变长度和相邻像素中的像素相关联。 相交渐变被合并,包括共同点和对角点的列表是从合并过程中创建出来的。 方法操作可以体现为计算机可读存储介质上的代码。
    • 4. 发明授权
    • Real-time one-button integrated support for networked devices
    • 实时一键式集成支持联网设备
    • US07668912B2
    • 2010-02-23
    • US11073272
    • 2005-03-03
    • Steve NelsonChia-Hsin LiVictor Ivashin
    • Steve NelsonChia-Hsin LiVictor Ivashin
    • G06F15/16
    • H04L29/06027H04L65/4038
    • A method and system for providing technical support for networked devices includes a first client component on a networked device having a conferencing application to enable communication exchange with a second client component. A server component is configured to distribute video and audio data streams to the first client component and the second client component in a conference session. A conference channel communication connection is established over which the video and audio data streams are carried between the first client component, the server component, and the second client component, and a back-channel communication connection is established for transmission of diagnostic and status information. A service call is managed by a service center dispatcher, who connects a technician client and a networked device client in a multi-party conference hosted on one of a plurality of load balanced servers.
    • 用于为网络设备提供技术支持的方法和系统包括具有会议应用以使得能够与第二客户端组件进行通信交换的联网设备上的第一客户端组件。 服务器组件被配置为在会议会话中将视频和音频数据流分发到第一客户端组件和第二客户端组件。 建立会议通道通信连接,在第一客户端组件,服务器组件和第二客户端组件之间承载视频和音频数据流,建立用于传输诊断和状态信息的后向通道通信连接。 服务呼叫由服务中心调度员管理,服务中心调度员在多个负载均衡服务器之一上托管的多方会议中连接技术人员客户端和联网设备客户端。
    • 5. 发明申请
    • Remote Control of Videoconference Clients
    • 视讯会议客户远程控制
    • US20090213205A1
    • 2009-08-27
    • US12037755
    • 2008-02-26
    • Victor IvashinSteve Nelson
    • Victor IvashinSteve Nelson
    • H04N7/15
    • H04N7/15H04L12/1822H04L65/403H04L67/125H04L67/14H04L67/148
    • Computer-readable media, having corresponding methods and apparatus, embodies instructions executable by a first computer to perform a method comprising: executing a first videoconference client application, wherein the first videoconference client application exchanges first audiovisual data with a videoconference server application during a videoconference; sending action commands to a second videoconference client application executing on a second computer, wherein the second videoconference client application exchanges second audiovisual data with the videoconference server application during the videoconference; and wherein the second videoconference client application operates according to the action commands during the videoconference.
    • 具有相应方法和装置的计算机可读介质体现由第一计算机执行的指令,以执行一种方法,该方法包括:执行第一视频会议客户端应用,其中所述第一视频会议客户端应用在视频会议期间与视频会议服务器应用交换第一视听数据; 向在第二计算机上执行的第二视频会议客户端应用发送动作命令,其中所述第二视频会议客户端应用在所述视频会议期间与所述视频会议服务器应用交换第二视听数据; 并且其中所述第二视频会议客户端应用根据所述视频会议期间的动作命令来操作。
    • 6. 发明申请
    • Network Software License Management and Piracy Protection
    • 网络软件许可证管理和盗版保护
    • US20080313743A1
    • 2008-12-18
    • US11762665
    • 2007-06-13
    • Brian ChanSteve NelsonVictor Ivashin
    • Brian ChanSteve NelsonVictor Ivashin
    • G06F7/04
    • G06F21/10G06F21/105G06F2221/0775
    • Apparatus having corresponding methods and computer-readable media comprise an input circuit to receive, from a license management server, a check-in sequence representing a plurality of different check-in times; a processor to execute a software product comprising an application, and a client license management module to add timestamps to a check-in record at the check-in times; and an output circuit to transmit the check-in record to the license management server; wherein the license management server performs a comparison between the check-in record and at least one of the check-in sequence, and an earlier check-in record previously sent by the client license management module to the license management server; and wherein the license management server transmits a violation message to the client license management module when the comparison fails; and wherein the client license management module disables the application based on the violation message.
    • 具有相应方法和计算机可读介质的装置包括输入电路,用于从许可证管理服务器接收表示多个不同登记时间的登记序列; 处理器,用于执行包括应用的软件产品和客户端许可证管理模块,以在登记时间向登记记录添加时间戳; 以及输出电路,用于将所述登记记录传送到所述许可证管理服务器; 其中所述许可证管理服务器执行所述登记记录与所述登记序列中的至少一个之间的比较,以及先前由所述客户端许可证管理模块发送给许可证管理服务器的先前登录记录; 并且其中所述许可证管理服务器在所述比较失败时向所述客户端许可证管理模块发送违规消息; 并且其中所述客户端许可证管理模块基于所述违规消息来禁用所述应用。
    • 7. 发明授权
    • Method and system for delivering produced content to passive participants of a videoconference
    • 将生成的内容传送给视频会议的被动参与者的方法和系统
    • US07454460B2
    • 2008-11-18
    • US10440545
    • 2003-05-16
    • Victor Ivashin
    • Victor Ivashin
    • G06F15/16G09G5/00H04N7/14
    • H04L65/4038H04L29/06027H04N7/152
    • A conferencing system supporting active and passive participants is disclosed. The conferencing system includes a client component defining active and passive participants, and a server component having a connection to each active and passive participant defined in the client component. The server component includes a connection manager for managing the connection between each active and passive participant and the server component, a media mixer for receiving conference media and for distributing conference media to active and passive participants, and a virtual producer for selecting conference media to be distributed to passive participants. The conference media provided to the passive participants is dynamically determined based upon activities and selections of a set of active participants.
    • 公开了一种支持主动和被动参与者的会议系统。 会议系统包括定义主动和被动参与者的客户端组件,以及具有与客户端组件中定义的每个主动和被动参与者的连接的服务器组件。 服务器组件包括用于管理每个主动和被动参与者与服务器组件之间的连接的连接管理器,用于接收会议媒体并用于向主动和被动参与者分发会议媒体的媒体混合器,以及用于选择会议媒体的虚拟制作者 分发给被动参与者。 提供给被动参与者的会议媒体根据一组活跃参与者的活动和选择动态确定。
    • 9. 发明授权
    • Method for remote desktop control by remote host input devices
    • 远程主机输入设备进行远程桌面控制的方法
    • US09256393B2
    • 2016-02-09
    • US13332751
    • 2011-12-21
    • Victor IvashinSteve Nelson
    • Victor IvashinSteve Nelson
    • G06F15/16G06F3/14H04L29/06H04L29/08
    • G06F3/1454H04L63/08H04L63/10H04L67/125H04L67/42
    • A system for establishing a remote desktop connection between a client projector and a host computer, the client projector and the host computer being connected by a network. A private remote desktop service virtual channel is established between the host computer and the client projector. In the client projector, a processor initiates a remote desktop connection process, and completes a remote desktop connection to the host computer. The client projector receives keyboard and mouse events from the host computer across the private remote desktop service virtual channel. The keyboard or mouse events received by the client projector are injected into an operating system of the client projector. They are interpreted by a client application remote desktop connection as a valid input device event, and forwarded to the host computer to actuate a graphical user interface of a remote desktop session.
    • 一种用于在客户端投影仪和主机之间建立远程桌面连接的系统,客户端投影仪和主机通过网络连接。 在主机和客户端投影机之间建立一个专用的远程桌面服务虚拟通道。 在客户端投影机中,处理器启动远程桌面连接过程,并完成与主机的远程桌面连接。 客户端投影机通过专用远程桌面服务虚拟通道从主机接收键盘和鼠标事件。 由客户端投影机接收到的键盘或鼠标事件被注入到客户端投影仪的操作系统中。 它们被客户端应用程序远程桌面连接解释为有效的输入设备事件,并转发给主机以激活远程桌面会话的图形用户界面。