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公开(公告)号：WO2005069620A1
公开(公告)日：2005-07-28
申请号：PCT/NO2005/000021
申请日：2005-01-17
Applicant: TANDBERG TELECOM AS , SCHRADER, Thies , HAMMER, Vegard
Inventor： SCHRADER, Thies , HAMMER, Vegard
IPC: H04N7/15
CPC classification number: H04N7/152
Abstract: The present invention discloses a method for connecting one or more systems to a user for automatic determination of which system the user may use to participate in a call. A predefined list of video conferencing systems and/or locations for each user is predefined and arranged in a prioritized order. When scheduling a meeting and/or a video conference, the predefined user lists are taken into account when selecting end-points and other resources involved in the meeting/conference. The selection process may be controlled by predefined rules also taking various system availability, network resources and the routes required for connecting the other systems in the conference into account. The present invention also introduces presence applications to facilitate scheduling and set up of ad hoc meetings/conferences.
Abstract translation: 本发明公开了一种用于将一个或多个系统连接到用户的方法，用于自动确定用户可以使用哪个系统来参与呼叫。 视频会议系统和/或每个用户的位置的预定义列表被预先定义并以优先顺序排列。 在安排会议和/或视频会议时，在选择会议/会议中涉及的终点和其他资源时，会考虑预定义的用户列表。 选择过程可以通过预定义的规则来控制，还可以考虑各种系统可用性，网络资源和连接会议中的其他系统所需的路由。 本发明还介绍了存在应用以便于安排和组建特设会议/会议。
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公开(公告)号：WO2005048608A1
公开(公告)日：2005-05-26
申请号：PCT/NO2004/000352
申请日：2004-11-16
Applicant: TANDBERG TELECOM AS , BJØNTEGAARD, Gisle
Inventor： BJØNTEGAARD, Gisle
IPC: H04N7/36
CPC classification number: H04N19/59 , H04N19/51 , H04N19/523 , H04N19/80
Abstract: The present invention discloses a method for fractional pixel interpolation in video coding. According to a preferred embodiment of the invention, a symmetric 4-tap filter is used to calculate intermediate ½ pixel values. Further, the ¼ pixel values are calculated by averaging two values of neighboring pixel positions including at least one ½ pixel position in the horizontal and/or vertical direction, e.g. between a ½ pixel position and an integer pixel position. The discrete impulse response of the 4-tap filter for calculating ½ pixel values and the impulse response derived from which for calculating ¼ pixel values, correspond to respective frequency responses which are combined with weights according to the ratio of ½ and 1/4 pixel occurrences. The characteristics of the first impulse response, which in the preferred embodiment only have one degree of freedom, are tuned in such a way that the combined frequency response approaches an ideal frequency response being substantially flat close to one at low frequencies, and approaching zero at high frequencies. The present invention is especially useful in motion compensation in connection with inter prediction in video compression similar to the one defined in H.264/AVC.
Abstract translation: 本发明公开了一种视频编码中的分数像素内插方法。 根据本发明的优选实施例，使用对称4抽头滤波器来计算中间½像素值。 此外，通过对包括水平和/或垂直方向上的至少一个1/2像素位置的相邻像素位置的两个值进行平均来计算¼像素值，例如。 在1/2像素位置和整数像素位置之间。 用于计算½像素值的4抽头滤波器的离散脉冲响应和从其计算¼个像素值的脉冲响应对应于根据½和1/4像素出现比率与权重组合的相应频率响应 。 在优选实施例中仅具有一个自由度的第一脉冲响应的特性被调谐成使得组合的频率响应接近理想的频率响应，其基本平坦地接近于低频处的一个，并且接近零 高频率。 本发明在与H.264 / AVC中定义的类似的视频压缩中的帧间预测相关的运动补偿中特别有用。
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公开(公告)号：WO2005041574A1
公开(公告)日：2005-05-06
申请号：PCT/NO2004/000324
申请日：2004-10-22
Applicant: TANDBERG TELECOM AS , KJESBU, Snorre , CHRISTENSEN, Espen
Inventor： KJESBU, Snorre , CHRISTENSEN, Espen
IPC: H04N7/15
CPC classification number: H04N7/147
Abstract: The present invention relates to video conferencing and multimedia messaging, and takes advantage of the capabilities of the communication system to which the audio participants are connected, in order to increase the performance of all the participants in a mixed conference. In a preferred embodiment, the audio participants are provided with a MMS device, and a MMS Engine captures periodically, or at certain events, video conference data attached to MMS messages and addressed to the MMS device. In the opposite direction, the MMS device provides multimedia data to the conventional video conference participants by attaching the multimedia data to MMS messages, which are sent to the IP-addressable MMS Engine. The MMS Engine separates the multimedia data and converts it to a format compatible with the video conference. The converted multimedia data is then provided to video conference participants, and treated like any other multimedia stream included in the video conference.
Abstract translation: 本发明涉及视频会议和多媒体消息传送，并且利用音频参与者所连接的通信系统的能力，以增加混合会议中所有与会者的表现。 在优选实施例中，音频参与者被提供有MMS设备，并且MMS引擎周期性地或在某些事件处捕获附加到MMS消息并且寻址到MMS设备的视频会议数据。 在相反的方向，MMS设备通过将多媒体数据附加到发送到IP可寻址MMS引擎的MMS消息来向传统视频会议参与者提供多媒体数据。 MMS引擎分离多媒体数据并将其转换为与视频会议兼容的格式。 然后将转换的多媒体数据提供给视频会议参与者，并且像视频会议中包括的任何其他多媒体流一样被处理。
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公开(公告)号：WO2005004496A1
公开(公告)日：2005-01-13
申请号：PCT/NO2004/000190
申请日：2004-06-25
Applicant: TANDBERG TELECOM AS , BJØNTEGAARD, Gisle
Inventor： BJØNTEGAARD, Gisle
IPC: H04N7/50
CPC classification number: H04N19/107 , H04N19/137 , H04N19/14 , H04N19/176 , H04N19/48 , H04N19/60 , H04N19/61
Abstract: The present invention applies to video coding and discloses a method for removing transform coding noise especially in flat areas of a frame, which appears as remaining parts of moving objects in a video picture. This is provided by forcing a macroblock to be intra coded instead of inter coded when certain criteria are fulfilled. The purpose is to reveal whether the macroblock contains annoying quantization generated noise and to detect if an equalization is necessary.
Abstract translation: 本发明适用于视频编码，并且公开了一种用于去除变换编码噪声的方法，特别是在作为视频图像中的运动对象的剩余部分的帧的平坦区域中。 这是通过在满足某些标准时强制宏块进行帧内编码而不是帧间编码来提供的。 目的是揭示宏块是否包含令人讨厌的量化产生的噪声，并检测是否需要均衡。
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公开(公告)号：WO2004105394A1
公开(公告)日：2004-12-02
申请号：PCT/NO2004/000144
申请日：2004-05-13
Applicant: TANDBERG TELECOM AS , KARLSEN, Per, Arne , KALGRAF, Olav, Luraas
Inventor： KARLSEN, Per, Arne , KALGRAF, Olav, Luraas
IPC: H04N7/15
CPC classification number: H04L65/80 , H04L29/06027 , H04L47/10 , H04L47/2416 , H04L47/263 , H04L47/30 , H04L65/4038 , H04N7/15 , H04N21/4788 , H04N21/6373 , H04N21/64707 , Y02D50/10
Abstract: The present invention discloses a method of detecting overproduction of data when an H.323 endpoint is transmitting more video or other data than initially negotiated, and makes it produce less by utilising standard flow control procedures. Flow control messages are sent periodically, incrementally instructing the H.323 endpoint to transmit lower amounts of bit rates, until the video rate received from the endpoint is equal to or lower than the initially negotiated rate, or some other fixed rate.
Abstract translation: 本发明公开了一种当H.323端点传输比最初协商的更多视频或其他数据时检测数据过剩的方法，并且通过利用标准流控制程序使其产生较少。 周期性地发送流量控制消息，递增地指示H.323端点传送较低数量的比特率，直到从端点接收到的视频速率等于或低于初始协商的速率或其他固定速率。
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Patent Agency Ranking
公开(公告)号：WO2011102735A1
公开(公告)日：2011-08-25
申请号：PCT/NO2011/000058
申请日：2011-02-17
Applicant: TANDBERG TELECOM AS , BJØNTEGAARD, Gisle
Inventor： BJØNTEGAARD, Gisle
CPC classification number: H04N19/198 , H04N19/107 , H04N19/136 , H04N19/147 , H04N19/172 , H04N19/176 , H04N19/196 , H04N19/567 , H04N19/61
Abstract: A video encoder/decoder device, method, and computer program product combine to enhance entropy encoding by using different calculation approaches for assessing costs of using different encoding modes for a video encoding. Moreover, frames in a sequence, and/or sub-frames within a frame may have lowest cost coding modes selected using different cost calculation approaches. One exemplary cost calculation is SAD and another is SSD. A net effect is better subjective video quality for a given bitrate, with reduced encoder complexity, especially when recognizing the lesser amount of computational resources required to support SAD as opposed to SSD.
Abstract translation: 视频编码器/解码器装置，方法和计算机程序产品结合起来，通过使用不同的计算方法来增强熵编码，以评估使用不同编码模式进行视频编码的成本。 此外，序列中的帧和/或帧内的子帧可以具有使用不同的成本计算方法选择的最低成本编码模式。 一个示例性成本计算是SAD，另一个是SSD。 对于给定的比特率，净效果是更好的主观视频质量，降低了编码器的复杂度，特别是当识别到支持SAD而不是SSD所需的较少量的计算资源时。
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公开(公告)号：WO2011087370A1
公开(公告)日：2011-07-21
申请号：PCT/NO2010/000485
申请日：2010-12-22
Applicant: TANDBERG TELECOM AS , RAVNÅS, Ole, André, Vadla
Inventor： RAVNÅS, Ole, André, Vadla
CPC classification number: H04L65/403 , G06Q10/10 , H04L12/1818 , H04L65/1066 , H04L65/1069 , H04L65/4053 , H04W4/21
Abstract: The present invention relates to video conferencing and data collaboration, and in particular to pairing personal computers and video conferencing appliances. The invention discloses a method and a computer readable storage medium in a computer for pairing the computer and a video conferencing appliance (endpoint, terminal, client) by emitting encoded and/or modulated sound from the computer's loudspeaker being captured by microphones of the video conferencing appliances in the proximity. The encoded/modulated sound includes a special signature recognizable for pairing compatible appliances followed by a randomly generated identification token generated by the computer. Assuming that both the computer and the nearby endpoints are connected to the same communication network like a LAN, WLAN or WAN, video conference entities will be able to identify, be aware of and access each other, enabling a user to control and transfer data to the video conference appliance from a User Interface provided by an application installed on the computer.
Abstract translation: 本发明涉及视频会议和数据协作，特别涉及配对个人计算机和视频会议设备。 本发明公开了一种计算机中的方法和计算机可读存储介质，用于通过从计算机扬声器发射编码和/或调制的声音来配对计算机和视频会议设备（端点，终端，客户端），由视频会议的麦克风捕获 电器在附近。 编码/调制声音包括可识别用于配对兼容设备的特殊签名，随后由计算机生成的随机生成的识别令牌。 假设计算机和附近的端点都连接到像LAN，WLAN或WAN这样的通信网络，则视频会议实体将能够识别，注意和访问彼此，使用户能够控制和传输数据到 来自由安装在计算机上的应用程序提供的用户界面的视频会议设备。
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公开(公告)号：WO2011074975A1
公开(公告)日：2011-06-23
申请号：PCT/NO2010/000451
申请日：2010-12-08
Applicant: TANDBERG TELECOM AS , MARTON, Trygve, Fredrik , BURENIUS, Lennart
Inventor： MARTON, Trygve, Fredrik , BURENIUS, Lennart
CPC classification number: H04R3/005 , H04M3/568 , H04R1/406 , H04R2430/20
Abstract: A video teleconferencing directional microphone includes two microphone elements arranged coincidentally on vertical axis. The two microphone elements are placed on a supporting surface so that a first microphone element is on the surface, and the second microphone elements are elevated above the supporting surface. The directional microphone also includes filters, an adder assembly, and an equalizer, which are used to shape the directivity pattern of the directional microphone into a toroid sensitivity pattern. The toroid sensitivity pattern increases sensitivity in the direction of a sound source of interest, while simultaneously reduces sensitivity to any sound waves generated by noise sources from certain elevation angles. The microphone can be configured to have low sensitivity at angles where noise sources are located.
Abstract translation: 视频电话会议定向麦克风包括两个麦克风元件，它们垂直于垂直轴排列。 两个麦克风元件被放置在支撑表面上，使得第一麦克风元件在表面上，并且第二麦克风元件在支撑表面上方升高。 定向麦克风还包括滤波器，加法器组件和均衡器，其用于将定向麦克风的方向性图案成形为环形灵敏度图案。 环形灵敏度图案增加了感兴趣的声源方向的灵敏度，同时降低了由某些仰角产生的噪声源产生的声波的灵敏度。 麦克风可以配置为在噪声源所在的角度具有低灵敏度。
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公开(公告)号：WO2011046448A1
公开(公告)日：2011-04-21
申请号：PCT/NO2010/000363
申请日：2010-10-14
Applicant: TANDBERG TELECOM AS , KRISTIANSEN, Ivan, Marius , HAMMER, Vegard , BJUN, Geir
Inventor： KRISTIANSEN, Ivan, Marius , HAMMER, Vegard , BJUN, Geir
CPC classification number: H04N7/152 , G06F3/04883 , H04N5/23203 , H04N5/23206 , H04N5/23216 , H04N5/247 , H04N7/142
Abstract: The presented invention relates to a device and method for controlling the operation of one or more cameras associated with a video conference endpoint in a video conference call. A camera control unit (remote control) according to the present invention is a touch enabled end user component that presents to the user graphical objects representing video conference endpoints currently connected in a conference call, and/or one or more live video feeds currently captured by the video conference endpoint's cameras, and allows the user to manipulate a camera's pan, tilt and zoom using a touch screen display embedded in said camera control unit.
Abstract translation: 本发明涉及一种用于控制与视频会议呼叫中的视频会议端点相关联的一个或多个相机的操作的设备和方法。 根据本发明的照相机控制单元（遥控器）是一种触控终端用户组件，向用户呈现表示当前连接在电话会议中的视频会议终端的图形对象，和/或当前由 视频会议端点的相机，并且允许用户使用嵌入在所述相机控制单元中的触摸屏显示器来操纵相机的摇摄，倾斜和变焦。
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公开(公告)号：WO2011005105A1
公开(公告)日：2011-01-13
申请号：PCT/NO2010/000257
申请日：2010-07-01
Applicant: TANDBERG TELECOM AS , ENDRESEN, Lars, Petter
Inventor： ENDRESEN, Lars, Petter
IPC: H04N7/26
CPC classification number: H04N19/423 , H04N19/109 , H04N19/132 , H04N19/14 , H04N19/176 , H04N19/61
Abstract: The present invention is related to implementation of early skip of transform coefficients related to video compression systems in computer devices.
Abstract translation: 本发明涉及与计算机设备中的视频压缩系统相关的变换系数的早期跳跃的实现。
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