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1. 发明授权

US07869667B1 Method for automatic alignment of raster data with vector data in a geographic information system 有权
标题翻译：在地理信息系统中自动对齐栅格数据与矢量数据的方法
公开(公告)号：US07869667B1
公开(公告)日：2011-01-11
申请号：US11655292
申请日：2007-01-19
申请人： Xiaqing Wu
发明人： Xiaqing Wu
IPC分类号： G06K9/54
CPC分类号： G06K9/00651 , G06K9/4609
摘要： The present invention relates to methods for aligning raster and vector data. In an embodiment, a raster/vector aligner receives raster data and an approximate vector of a feature within the raster data. The raster/vector aligner generates an edge signal by edge filtering the raster data along a direction of the approximate vector and a smoothness signal by smoothness filtering the raster data along a direction of the approximate vector. The raster/vector aligner combines the edge signal and the smoothness signal into a combined signal which is used to generate a translation vector or a signal weight for the feature within the raster data.
摘要翻译：本发明涉及用于对准光栅和矢量数据的方法。在一个实施例中，光栅/矢量对准器接收光栅数据和光栅数据内的特征的近似向量。栅格/矢量对准器通过沿着近似矢量的方向对光栅数据进行边缘滤波，并通过沿着近似矢量的方向对光栅数据进行平滑滤波来平滑地生成边缘信号。光栅/矢量对准器将边缘信号和平滑度信号组合成用于生成光栅数据内的特征的平移矢量或信号权重的组合信号。

2. 发明授权

US09704042B2 Predicting tree species from aerial imagery 有权
公开(公告)号：US09704042B2
公开(公告)日：2017-07-11
申请号：US13166356
申请日：2011-06-22
申请人： Xiaqing Wu , Lin Yang
发明人： Xiaqing Wu , Lin Yang
IPC分类号： G06K9/00 , G06K9/46 , G06K9/62
CPC分类号： G06K9/00657 , G06K9/4642 , G06K9/6223
摘要： Embodiments determine the species of trees present in an aerial image. Tree crowns are detected in a received image, and represented as histograms of their color, texture and entropy features. Similar trees are clustered together. Using classification techniques, each cluster is assigned the closest species. The species information for each tree may be used in a rendering of the tree in geographical information systems.

3. 发明授权

US08805118B2 Method for automatic alignment of raster data with vector data in a geographic information system 有权
标题翻译：在地理信息系统中自动对齐栅格数据与矢量数据的方法
公开(公告)号：US08805118B2
公开(公告)日：2014-08-12
申请号：US13426284
申请日：2012-03-21
申请人： Xiaqing Wu
发明人： Xiaqing Wu
IPC分类号： G06K9/32
CPC分类号： G06K9/00651 , G06K9/4609
摘要： The present invention relates to methods for aligning raster and vector data.In an embodiment, a raster/vector aligner receives raster data and an approximate vector of a feature within the raster data. The raster/vector aligner generates an edge signal by edge filtering the raster data along a direction of the approximate vector and a smoothness signal by smoothness filtering the raster data along a direction of the approximate vector. The raster/vector aligner combines the edge signal and the smoothness signal into a combined signal which is used to generate a translation vector or a signal weight for the feature within the raster data.
摘要翻译：本发明涉及用于对准光栅和矢量数据的方法。在一个实施例中，光栅/矢量对准器接收光栅数据和光栅数据内的特征的近似向量。栅格/矢量对准器通过沿着近似矢量的方向对光栅数据进行边缘滤波，并通过沿着近似矢量的方向对光栅数据进行平滑滤波来平滑地生成边缘信号。光栅/矢量对准器将边缘信号和平滑度信号组合成用于生成光栅数据内的特征的平移矢量或信号权重的组合信号。

4. 发明授权

US08160397B1 Method for automatic alignment of raster data with vector data in a geographic information system 有权
标题翻译：在地理信息系统中自动对齐栅格数据与矢量数据的方法
公开(公告)号：US08160397B1
公开(公告)日：2012-04-17
申请号：US12888118
申请日：2010-09-22
申请人： Xiaqing Wu
发明人： Xiaqing Wu
IPC分类号： G06K9/32
CPC分类号： G06K9/00651 , G06K9/4609
摘要： The present invention relates to methods for aligning raster and vector data.In an embodiment, a raster/vector aligner receives raster data and an approximate vector of a feature within the raster data. The raster/vector aligner generates an edge signal by edge filtering the raster data along a direction of the approximate vector and a smoothness signal by smoothness filtering the raster data along a direction of the approximate vector. The raster/vector aligner combines the edge signal and the smoothness signal into a combined signal which is used to generate a translation vector or a signal weight for the feature within the raster data.
摘要翻译：本发明涉及用于对准光栅和矢量数据的方法。在一个实施例中，光栅/矢量对准器接收光栅数据和光栅数据内的特征的近似向量。栅格/矢量对准器通过沿着近似矢量的方向对光栅数据进行边缘滤波，并通过沿着近似矢量的方向对光栅数据进行平滑滤波来平滑地生成边缘信号。光栅/矢量对准器将边缘信号和平滑度信号组合成用于生成光栅数据内的特征的平移矢量或信号权重的组合信号。

5. 发明授权

US09582932B2 Identifying and parameterizing roof types in map data 有权
标题翻译：识别和参数化地图数据中的屋顶类型
公开(公告)号：US09582932B2
公开(公告)日：2017-02-28
申请号：US13551394
申请日：2012-07-17
申请人： Rudolph van der Merwe , Jan Erik Solem , Jaron I. Waldman , John W. Kassebaum , Samuel G. Noble , Xiaqing Wu , Yang Liu
发明人： Rudolph van der Merwe , Jan Erik Solem , Jaron I. Waldman , John W. Kassebaum , Samuel G. Noble , Xiaqing Wu , Yang Liu
IPC分类号： G06T17/05 , G06T17/10 , G01C21/20 , G06K9/00
CPC分类号： G06T17/05 , G01C21/20 , G06K9/00637 , G06T17/10 , G06T2210/04
摘要： Methods and apparatus for a roof analysis tool for constructing a parameter set, where the parameter set is derived from mapping data for a map region, and where the parameter set describes the roofs for the buildings within the map region. In some cases, the parameter set includes a list of roof type identification values and the respective buildings in the map region for which a given roof type identification value corresponds. The roof analysis tool may operate on a server and work in conjunction with a mobile device, where the mobile device may display map views of a map region such that the map view is based on a three-dimensional model of the map region, and where a portion of the three-dimensional model is based on data generated on the mobile device and a portion of the three-dimensional model is based on data generated on the server.
摘要翻译：用于构建参数集的屋顶分析工具的方法和装置，其中参数集是从地图区域的映射数据导出的，以及参数集描述了地图区域内的建筑物的屋顶。在一些情况下，参数集包括屋顶类型识别值的列表和给定屋顶类型识别值对应的地图区域中的相应建筑物。屋顶分析工具可以在服务器上操作并且与移动设备一起工作，其中移动设备可以显示地图区域的地图视图，使得地图视图基于地图区域的三维模型，并且其中三维模型的一部分基于在移动设备上生成的数据，并且三维模型的一部分基于在服务器上生成的数据。

6. 发明申请

US20070182762A1 Real-time interactive rubber sheeting using dynamic delaunay triangulation 审中-公开
标题翻译：使用动态Delaunay三角测量的实时交互式橡胶片
公开(公告)号：US20070182762A1
公开(公告)日：2007-08-09
申请号：US11346766
申请日：2006-02-03
申请人： Xiaqing Wu , Eugene Levin , Geoffrey Wade
发明人： Xiaqing Wu , Eugene Levin , Geoffrey Wade
IPC分类号： G09G5/00
CPC分类号： G06T3/0093 , G06T17/20
摘要： A novel, easy to use, and computational efficient rubber sheeting algorithm is designed for interactive image registration in a web-based application environment. The algorithm has two steps, including a piece-wise linear interpolation step to interactively find a suitable set of control points and displacement vectors, and a following optional global radial basis wrap step to generate smoother result using the final control point set. A dynamic Delaunay triangulation method is designed to efficiently update the decomposition of the image. Natural and intuitive wrapping result will be dynamically generated in real-time while the user interactively insert, delete or drag a control point. The number of control points is not limited, and a large number of control points can be used if necessary without compromising the performance of the algorithm. With enough control points specified using the piece-wise rubber-sheeting step, the wrapping result can be further smoothed by using the optional, click-button poly-quadric global wrapping method in the second step. The algorithm is implemented as a Java Applet and able to run as a cross-platform web-based application.
摘要翻译：一种新颖，易于使用和计算有效的橡胶片算法被设计用于基于Web的应用环境中的交互式图像注册。该算法具有两个步骤，包括分段线性插值步骤，以交互方式找到适当的一组控制点和位移矢量，以及随后的可选的全局径向基础包裹步骤，以使用最终控制点集合来产生更平滑的结果。动态Delaunay三角测量方法旨在有效地更新图像的分解。当用户以交互方式插入，删除或拖动控制点时，自动和直观的包装结果将被实时动态生成。控制点的数量不受限制，如果需要，可以使用大量控制点，而不会影响算法的性能。通过使用分段橡胶片步骤指定足够的控制点，可以通过在第二步中使用可选的单击按钮多二次方全局包装方法来进一步平滑包装结果。该算法实现为Java Applet，并且能够作为跨平台的基于Web的应用程序运行。

7. 发明授权

US08655070B1 Tree detection form aerial imagery 有权
标题翻译：树检测形式航空影像
公开(公告)号：US08655070B1
公开(公告)日：2014-02-18
申请号：US12836849
申请日：2010-07-15
申请人： Lin Yang , Xiaqing Wu , Emil Praun
发明人： Lin Yang , Xiaqing Wu , Emil Praun
IPC分类号： G06K9/00 , G06K9/34 , G06K9/62
CPC分类号： G06K9/00657
摘要： Methods and systems for detecting trees in aerial imagery are provided. A method for detecting trees in aerial imagery may include training a pixel-level classifier to assign a tree or non-tree label to each pixel in an aerial image. The method may further include segmenting tree and non-tree regions of the labeled pixels. The method may also include locating individual tree crowns in the segmented tree regions using one or more tree templates. A system for detecting trees in aerial imagery may include a trainer, a segmenter and a tree locator.
摘要翻译：提供了用于检测航空图像中树木的方法和系统。用于检测航空图像中的树木的方法可以包括训练像素级分类器以将空间图像中的每个像素分配树或非树标签。该方法还可以包括分割标记像素的树和非树状区域。该方法还可以包括使用一个或多个树模板将单个树冠定位在分段树状区域中。用于检测航空图像中的树木的系统可以包括训练者，分割器和树定位器。

8. 发明申请

US20130321392A1 Identifying and Parameterizing Roof Types in Map Data 有权
标题翻译：识别和参数化地图数据中的屋顶类型
公开(公告)号：US20130321392A1
公开(公告)日：2013-12-05
申请号：US13551394
申请日：2012-07-17
申请人： Rudolph van der Merwe , Jan Erik Solem , Jaron I. Waldman , John W. Kassebaum , Samuel G. Noble , Xiaqing Wu , Yang Liu
发明人： Rudolph van der Merwe , Jan Erik Solem , Jaron I. Waldman , John W. Kassebaum , Samuel G. Noble , Xiaqing Wu , Yang Liu
IPC分类号： G06T15/00
CPC分类号： G06T17/05 , G01C21/20 , G06K9/00637 , G06T17/10 , G06T2210/04
摘要： Methods and apparatus for a roof analysis tool for constructing a parameter set, where the parameter set is derived from mapping data for a map region, and where the parameter set describes the roofs for the buildings within the map region. In some cases, the parameter set includes a list of roof type identification values and the respective buildings in the map region for which a given roof type identification value corresponds. The roof analysis tool may operate on a server and work in conjunction with a mobile device, where the mobile device may display map views of a map region such that the map view is based on a three-dimensional model of the map region, and where a portion of the three-dimensional model is based on data generated on the mobile device and a portion of the three-dimensional model is based on data generated on the server.
摘要翻译：用于构建参数集的屋顶分析工具的方法和装置，其中参数集是从地图区域的映射数据导出的，以及参数集描述了地图区域内的建筑物的屋顶。在一些情况下，参数集包括屋顶类型识别值的列表和给定屋顶类型识别值对应的地图区域中的相应建筑物。屋顶分析工具可以在服务器上操作并且与移动设备一起工作，其中移动设备可以显示地图区域的地图视图，使得地图视图基于地图区域的三维模型，并且其中三维模型的一部分基于在移动设备上生成的数据，并且三维模型的一部分基于在服务器上生成的数据。

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