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    • 21. 发明申请
    • Method and Apparatus for Determining the Location of a Stationary Satellite Receiver
    • 确定固定卫星接收机位置的方法和装置
    • US20090213000A1
    • 2009-08-27
    • US11922974
    • 2006-06-30
    • Markus GrossGeorges KrierGuy Harles
    • Markus GrossGeorges KrierGuy Harles
    • G01S5/10
    • G01S5/10G01S2013/468
    • The invention refers to a location method and location apparatus for determining the location of a stationary satellite receiver having a stationary satellite antenna by means of ranging packets within satellite payload signals. Said satellite payload signals are transmitted from one or more earth stations at defined earth station positions and are relayed from one or more satellites at different geostationary orbital positions to be received by the same stationary satellite antenna, wherein each ranging packet within the corresponding satellite payload signal is related to a time stamp information with regard to the point of time when the ranging packet was transmitted from the corresponding earth station, and wherein a plurality of the ranging packets is detected by the stationary satellite receiver in the received satellite payload signals, wherein the relative time differences between the points of time of detection of the corresponding ranging packets are measured and wherein the measured relative time differences are collected and are related to the defined earth station positions, the time stamp information and the satellite position information for estimating the location of the stationary satellite receiver by means of a secondary condition for resolving the redundancy of the measured relative time differences.
    • 本发明涉及一种定位方法和位置装置,用于通过卫星有效载荷信号内的测距分组来确定具有固定卫星天线的固定卫星接收机的位置。 所述卫星有效载荷信号从所定义的地球站位置处的一个或多个地球站发射,并且从不同对地静止轨道位置的一个或多个卫星中继,以由相同的固定卫星天线接收,其中相应卫星有效载荷信号内的每个测距分组 涉及到从对应的地球站发送测距分组的时间点的时间戳信息,并且其中由接收到的卫星有效载荷信号中的固定卫星接收机检测多个测距分组,其中, 测量相应测距分组的检测时间点之间的相对时间差,并且其中测量的相对时间差被收集并且与所定义的地球站位置相关,时间戳信息和卫星位置信息用于估计 固定卫星 通过辅助条件来解决所测量的相对时间差的冗余度。
    • 23. 发明授权
    • Method for encoding and decoding free viewpoint videos
    • 免费观看视频的编码和解码方法
    • US07324594B2
    • 2008-01-29
    • US10723035
    • 2003-11-26
    • Edouard LamborayMichael WaschbüschStephan WürmlinMarkus GrossHanspeter Pfister
    • Edouard LamborayMichael WaschbüschStephan WürmlinMarkus GrossHanspeter Pfister
    • H04N7/12
    • G06T9/001G06T9/00H04N19/20H04N19/597
    • A system encodes videos acquired of a moving object in a scene by multiple fixed cameras. Camera calibration data of each camera are first determined. The camera calibration data of each camera are associated with the corresponding video. A segmentation mask for each frame of each video is determined. The segmentation mask identifies only foreground pixels in the frame associated with the object. A shape encoder then encodes the segmentation masks, a position encoder encodes a position of each pixel, and a color encoder encodes a color of each pixel. The encoded data can be combined into a single bitstream and transferred to a decoder. At the decoder, the bitstream is decoded to an output video having an arbitrary user selected viewpoint. A dynamic 3D point model defines a geometry of the moving object. Splat sizes and surface normals used during the rendering can be explicitly determined by the encoder, or explicitly by the decoder.
    • 系统通过多个固定摄像机对场景中的移动物体所获取的视频进行编码。 首先确定每个摄像机的摄像机校准数据。 每个摄像机的摄像机校准数据与相应的视频相关联。 确定每个视频的每个帧的分割掩码。 分割掩码仅识别与对象相关联的帧中的前景像素。 然后,形状编码器对分割掩模进行编码,位置编码器对每个像素的位置进行编码,并且颜色编码器对每个像素的颜色进行编码。 编码数据可以组合成单个比特流并传送到解码器。 在解码器处,比特流被解码为具有任意用户选择的视点的输出视频。 动态3D点模型定义了移动物体的几何形状。 在渲染期间使用的Splat尺寸和表面法线可以由编码器显式确定,或者由解码器显式确定。
    • 27. 发明申请
    • Method for encoding and decoding free viewpoint videos
    • 免费观看视频的编码和解码方法
    • US20050117019A1
    • 2005-06-02
    • US10723035
    • 2003-11-26
    • Edouard LamborayMichael WaschbuschStephan WurmlinMarkus GrossHanspeter Pfister
    • Edouard LamborayMichael WaschbuschStephan WurmlinMarkus GrossHanspeter Pfister
    • H04N13/00H04N5/232H04N7/18
    • G06T9/001G06T9/00H04N19/20H04N19/597
    • A system encodes videos acquired of a moving object in a scene by multiple fixed cameras. Camera calibration data of each camera are first determined. The camera calibration data of each camera are associated with the corresponding video. A segmentation mask for each frame of each video is determined. The segmentation mask identifies only foreground pixels in the frame associated with the object. A shape encoder then encodes the segmentation masks, a position encoder encodes a position of each pixel, and a color encoder encodes a color of each pixel. The encoded data can be combined into a single bitstream and transferred to a decoder. At the decoder, the bitstream is decoded to an output video having an arbitrary user selected viewpoint. A dynamic 3D point model defines a geometry of the moving object. Splat sizes and surface normals used during the rendering can be explicitly determined by the encoder, or explicitly by the decoder.
    • 系统通过多个固定摄像机对场景中的移动物体所获取的视频进行编码。 首先确定每个摄像机的摄像机校准数据。 每个摄像机的摄像机校准数据与相应的视频相关联。 确定每个视频的每个帧的分割掩码。 分割掩码仅识别与对象相关联的帧中的前景像素。 然后,形状编码器对分割掩模进行编码,位置编码器对每个像素的位置进行编码,并且颜色编码器对每个像素的颜色进行编码。 编码数据可以组合成单个比特流并传送到解码器。 在解码器处,比特流被解码为具有任意用户选择的视点的输出视频。 动态3D点模型定义了移动物体的几何形状。 在渲染期间使用的Splat尺寸和表面法线可以由编码器显式确定,或者由解码器显式确定。
    • 29. 发明授权
    • Silhouette-based pose estimation
    • 基于轮廓的姿态估计
    • US09117113B2
    • 2015-08-25
    • US14117593
    • 2012-05-08
    • Tiberiu PopaMarcel GermannRichard KeiserMarkus GrossRemo Ziegler
    • Tiberiu PopaMarcel GermannRichard KeiserMarkus GrossRemo Ziegler
    • G06K9/00G06T7/00
    • G06K9/00342G06K9/00724G06T7/73G06T2207/10021G06T2207/30196G06T2207/30228
    • Estimating a pose of an articulated 3D object model (4) by a computer is done by •obtaining a sequence of source images (10) and therefrom corresponding source image segments (13) with objects (14) separated from the image background; •matching such a sequence (51) with sequences (52) of reference silhouettes (13′), determining one or more selected sequences of reference silhouettes (13′) forming a best match; •for each of these selected sequences of reference silhouettes (13′), retrieving a reference pose that is associated with one of the reference silhouettes (13′); and •computing an estimate of the pose of the articulated object model (4) from the retrieved reference pose or poses. The result of these steps is an initial pose estimate, which then can be used in further steps, for example, for maintaining local consistency between pose estimates from consecutive frames, and global consistency over a longer sequence of frames.
    • 通过计算机估计关节式3D对象模型(4)的姿态是通过以下步骤完成的:通过从图像背景分离的对象(14)获得源图像序列(10)和源自相应源图像片段(13)的序列; •将这样的序列(51)与参考轮廓(13')的序列(52)匹配,确定形成最佳匹配的一个或多个所选择的参考轮廓序列(13'); •对于这些所选择的参考轮廓序列(13')中的每一个,检索与所述参考轮廓(13')之一相关联的参考姿势; 以及•从检索的参考姿势或姿势计算所述铰接对象模型(4)的姿态的估计。 这些步骤的结果是初始姿态估计,其然后可以用于进一步的步骤,例如,用于维持来自连续帧的姿态估计之间的局部一致性,以及在更长的帧序列上的全局一致性。
    • 30. 发明授权
    • Transparent autostereoscopic image display apparatus and method
    • 透明自动立体图像显示装置及方法
    • US09088791B2
    • 2015-07-21
    • US13510192
    • 2010-11-16
    • Markus Gross
    • Markus Gross
    • H04N7/14H04N13/04G02B27/22
    • G02B27/2214H04N13/315H04N13/363
    • An image display apparatus includes a display layer and an image separation layer. The image separation layer is adapted to separate a displayed image on the display layer into a first image for a left eye of an observer and into a second image for a right eye of an observer. This renders the image display apparatus autostereoscopic. In order to improve the appearance of the displayed image, the apparatus is adapted to activate the display layer and the image separation layer substantially only within a given two-dimensional silhouette and to remain substantially transparent outside of the silhouette. In other aspects, the apparatus may be adapted to dynamically adjust an observation angle between the first image and the second image by controlling the distance between the display layer and the image separation layer by an actuator. The apparatus may be mounted on a robotic unit.
    • 图像显示装置包括显示层和图像分离层。 图像分离层适于将显示层上的显示图像分离成用于观察者的左眼的第一图像和用于观察者右眼的第二图像。 这使得图像显示装置自动立体。 为了改善显示图像的外观,该装置适于基本上仅在给定的二维轮廓内激活显示层和图像分离层,并且在轮廓外部保持基本透明。 在其他方面,该装置可以适于通过致动器控制显示层和图像分离层之间的距离来动态地调整第一图像和第二图像之间的观察角度。 该装置可以安装在机器人单元上。