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    • 3. 发明申请
    • SYSTEM FOR GENERATING 3D IMAGES FOR IMAGE RECOGNITION BASED POSITIONING
    • 用于基于图像识别的3D图像生成系统
    • WO2017114581A1
    • 2017-07-06
    • PCT/EP2015/081455
    • 2015-12-30
    • TELECOM ITALIA S.P.A.POLITECNICO DI TORINO
    • GHINAMO, GiorgioLINGUA, Andrea, Maria
    • G06T7/00
    • G06T7/75G06T7/74G06T2207/30244
    • A method of positioning a user equipment (110) located in an environment is proposed. The user equipment comprises a camera for acquiring digital images. The method comprises: defining a three- dimensional model of the environment through a cloud of points, each point being defined by a set of coordinates and a color information; having the user equipment acquiring a query image (217) by capturing, by means of the camera, a portion of the environment; estimating (303-318) an initial camera parameters configuration of the camera of the user equipment; evaluating (303-318) a similarity between the query image and an initial three- dimensional image, said initial three-dimensional image (219) being obtained from the three-dimensional model of the environment as seen by a virtual camera having said initial camera parameters configuration; modifying (321-324) a camera parameters configuration of the virtual camera associated with the initial three-dimensional image in order to increase the similarity between the initial three-dimensional image and the query image up to a predetermined value, and generating (333) an additional three-dimensional image (221) based on the three-dimensional model of the environment, said additional three-dimensional image being obtained from the three-dimensional model of the environment as seen by a modified virtual camera having the modified camera parameters configuration. )
    • 提出了一种定位位于环境中的用户设备(110)的方法。 用户设备包括用于获取数字图像的照相机。 该方法包括:通过云点定义环境的三维模型,每个点由一组坐标和颜色信息定义; 使所述用户设备通过借助于所述照相机捕捉所述环境的一部分来获取查询图像(217); 估计(303-318)用户设备的相机的初始相机参数配置; 评估(303-318)查询图像与初始三维图像之间的相似性,所述初始三维图像(219)从具有所述初始相机的虚拟相机看到的环境的三维模型获得 参数配置; 修改(321-324)与初始三维图像相关联的虚拟照相机的照相机参数配置,以便将初始三维图像和查询图像之间的相似性提高到预定值,并且生成(333) 基于所述环境的三维模型的附加三维图像(221),所述附加三维图像是从所述环境的所述三维模型获得的,如具有所述修改的相机参数配置的修改的虚拟相机所看到的 。 )
    • 8. 发明申请
    • METHOD AND SYSTEM FOR DETERMINING A REPRESENTATIONAL POSITION
    • 方法和系统,用于确定目标位置
    • WO2015173256A3
    • 2016-09-09
    • PCT/EP2015060502
    • 2015-05-12
    • IMMERSIGHT GMBH
    • WEISS FABIANHÖRMANN STEFANSINGLER SIMON
    • G06T7/00G06K9/62
    • G06K9/6211G06T7/75G06T2207/30204G06T2207/30208
    • The invention relates to a method for determining a representational position and to a system (1) for providing a representation of a field of view, wherein the arrangement of a marker support (3) with marker elements can be detected in three spatial dimensions (x, y, z) and in an orientation (Q). A digital camera (7) and a calculating unit (13) with algorithms for analyzing image data are used. The marker support (3) has at least two support surface elements (27, 27V) with marker elements (5) in a marker configuration which differs between the surface elements. A marker detection algorithm and a comparison algorithm are provided for calculating a three-dimensional marker position configuration (43) which makes up the position. The correlation of three marker elements (5), which can be viewed together, of the marker configuration to marker model configurations are sequentially checked. A known starting position can be used to follow a movement of the marker support into a different representational position while taking into consideration concealed marker elements. In the system (1), the obtained position (x, y, z) and orientation (Q) can be displayed in a calculated representation of a spatial position of a field of view, for example in a virtual space, on a display unit (19), such as video spectacles (23), in a synchronized manner with a movement being carried out.
    • 与用于确定受试者的位置和用于呈现视场表示的系统(1)的方法中,(3),其具有在三个空间维度(X,Y,Z)和取向(Q)标记元件的标记物的载体的配置可被检测。 的数字照相机(7)和一个计算单元(13)的算法针对图像数据的评价中使用。 标签载体(3)具有至少两个支撑表面元件(27,27V),在一个面的元件不同的标记的配置标记元件(5)。 提供用于计算三维标记位置配置(43),它构成了位置的标记检测算法和比较算法。 进行检查,以该标记的配置的三种常见的可见标记元件(5)的标记物模型依次配置的映射。 一种已知的起始位置都可以使用,考虑到隐藏的标记元件以跟踪改变的客观情况标记载体的移动。 在该系统(1),所获得的位置(x,Y,Z)和方向(Q)执行可以在图中,Z的场的空间位置的计算表示。 B.在虚拟空间中,显示单元(19),在诸如视频护目镜(23)被同步地示出了用于运动。