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    • 1. 发明授权
    • Obstacle recognition apparatus and method, obstacle recognition program, and mobile robot apparatus
    • 障碍识别装置和方法,障碍物识别程序和移动机器人装置
    • US07386163B2
    • 2008-06-10
    • US10387647
    • 2003-03-13
    • Kohtaro SabeKenta KawamotoTakeshi OhashiMasaki FukuchiAtsushi OkuboSteffen Gutmann
    • Kohtaro SabeKenta KawamotoTakeshi OhashiMasaki FukuchiAtsushi OkuboSteffen Gutmann
    • G06K9/00H04N15/00H04N7/00H04N7/18G06F19/00G06F17/10G01C22/00
    • G06K9/00664G06T7/97
    • An obstacle recognition apparatus is provided which can recognize an obstacle by accurately extracting a floor surface. It includes a distance image generator (222) to produce a distance image using a disparity image and homogeneous transform matrix, a plane detector (223) to detect plane parameters on the basis of the distance image from the distance image generator (222), a coordinate transformer (224) to transform the homogeneous transform matrix into a coordinate of a ground-contact plane of a robot apparatus (1), and a floor surface detector (225) to detect a floor surface using the plane parameters from the plane detector (223) and result of coordinate transformation from the coordinate transformer (224) and supply the plane parameters to an obstacle recognition block (226). The obstacle recognition block (226) selects one of points on the floor surface using the plane parameters of the floor surface detected by the floor surface detector (225) and recognizes an obstacle on the basis of the selected point.
    • 提供了能够通过精确地提取地板面来识别障碍物的障碍物识别装置。 它包括使用视差图像和均匀变换矩阵产生距离图像的距离图像生成器(222),基于距离图像生成器(222)的距离图像检测平面参数的平面检测器(223), 将所述均匀变换矩阵变换为机器人装置(1)的接地面的坐标的坐标变换器(224)和使用来自所述平面检测器的平面参数来检测地板面的地板面检测器(225) 223)和从坐标变换器(224)的坐标变换的结果,并将平面参数提供给障碍物识别块(226)。 障碍物识别块(226)使用由地板表面检测器(225)检测到的地板表面的平面参数来选择地板表面上的一个点,并基于所选择的点识别障碍物。
    • 2. 发明授权
    • Method and apparatus for detecting plane, and robot apparatus having apparatus for detecting plane
    • 用于检测平面的方法和装置,以及具有用于检测平面的装置的机器人装置
    • US08289321B2
    • 2012-10-16
    • US10593150
    • 2005-03-17
    • Steffen GutmannMasaki FukuchiKohtaro SabeKenta Kawamoto
    • Steffen GutmannMasaki FukuchiKohtaro SabeKenta Kawamoto
    • G06T15/30
    • G06K9/00664B62D57/024G06K9/00201G06T7/13G06T7/73G06T2207/30252
    • In a plane detection apparatus, a plane detection unit (3) includes a line fitting block (4) to select a group of distance data points being in one plane from distance data forming an image and extract lines from the distance data point group, and a region growing block (5) to detect one or more planar regions existing in the image from a group of all lines included in the image and extracted by the line fitting block (4). The line fitting block (4) first draws a line D1 connecting end points of the distance data point group, searches a point of interest brk whose distance to the line L1 is largest, segments the data point group by the point of interest brk when the distance is larger than a predetermined threshold, and determines a line L2 by the least-squares method when the distance is smaller than the predetermined threshold. In case there exists a larger number of data points than a predetermine number on one side of the line L2, the data point group is determined to be in a zig-zag shape, the data point group is segmented by the point of interest brk. These operations are done repeatedly. Thus, a plurality of planes robust against noises is detected simultaneously and accurately from distance data including measurement noises.
    • 在平面检测装置中,平面检测装置(3)包括线拟合块(4),用于从形成图像的距离数据中选择位于一个平面中的一组距离数据点,并从距离数据点组提取线, 区域生长块(5),用于检测图像中存在的一个或多个平面区域,所述平面区域包括在所述图像中并由所述线拟合块(4)提取。 线拟合块(4)首先画出连接距离数据点组的端点的线D1,搜索距离线L1的距离最大的兴趣点brk,当数据点组的距离为 距离大于预定阈值,并且当距离小于预定阈值时,通过最小二乘法确定线路L2。 在线L2的一侧存在比预定数更多的数据点的情况下,数据点组被确定为Z字形,数据点组被兴趣点brk分割。 这些操作重复完成。 因此,从包括测量噪声的距离数据同时且准确地检测到抵抗噪声的多个平面。
    • 6. 发明申请
    • Environment map building method, environment map building apparatus and mobile robot apparatus
    • 环境地图构建方法,环境地图建筑装置和移动机器人装置
    • US20060025888A1
    • 2006-02-02
    • US11165047
    • 2005-06-24
    • Steffen GutmannMasaki FukuchiKohtaro SabeJames Bruce
    • Steffen GutmannMasaki FukuchiKohtaro SabeJames Bruce
    • G06F19/00
    • G06K9/00664G06T7/593
    • An environment map building method and an environment map building apparatus can express the surrounding embodiment with a high resolution in the height direction in a manner robust relative to observation noises. The present invention provides an environment map building apparatus for building a three-dimensional environment map to be used for three-dimensionally determining a region allowing a moving body to move therein according to external environment conditions, which comprises an external environment conditions detecting section that detects external environment conditions, a three-dimensional map building section that builds a three-dimensional map showing the state of occupancy of a three-dimensional grid on the basis of the external environment conditions detected by the external environment conditions detecting section, a relative-to-base-plane height map building section that builds a relative-to-base-plane height map showing heights from a two-dimensional base plane on the basis of the external environment conditions detected by the external environment conditions detecting section, and a height map information modifying section that modifies the information of the relative-to-base-plane height map on the basis of the information on the three-dimensional map.
    • 环境地图构建方法和环境地图构建装置可以以相对于观察噪声鲁棒的方式在高度方向上以高分辨率表达周围的实施例。 本发明提供了一种用于构建三维环境图的环境地图构建装置,其用于三维地确定允许移动体根据外部环境条件在其中移动的区域,该外部环境条件包括外部环境条件检测部分,其检测 外部环境条件,基于由外部环境条件检测部检测到的外部环境条件构建表示三维网格的占有状态的三维地图的三维地图构建部,相对于 - 基平面高度图构建部,其基于由外部环境条件检测部检测到的外部环境条件,构建从二维基面显示高度的相对基准面高度图,以及高度图 信息修改部分,其修改相对于基站的信息, 平面高度图基于三维地图上的信息。
    • 7. 发明授权
    • Environment map building method, environment map building apparatus and mobile robot apparatus
    • 环境地图构建方法,环境地图建筑装置和移动机器人装置
    • US07912583B2
    • 2011-03-22
    • US11165047
    • 2005-06-24
    • Steffen GutmannMasaki FukuchiKohtaro SabeJames R. Bruce
    • Steffen GutmannMasaki FukuchiKohtaro SabeJames R. Bruce
    • G06F19/00G01C21/00
    • G06K9/00664G06T7/593
    • An environment map building method and an environment map building apparatus can express the surrounding embodiment with a high resolution in the height direction in a manner robust relative to observation noises. The present invention provides an environment map building apparatus for building a three-dimensional environment map to be used for three-dimensionally determining a region allowing a moving body to move therein according to external environment conditions, which comprises an external environment conditions detecting section that detects external environment conditions, a three-dimensional map building section that builds a three-dimensional map showing the state of occupancy of a three-dimensional grid on the basis of the external environment conditions detected by the external environment conditions detecting section, a relative-to-base-plane height map building section that builds a relative-to-base-plane height map showing heights from a two-dimensional base plane on the basis of the external environment conditions detected by the external environment conditions detecting section, and a height map information modifying section that modifies the information of the relative-to-base-plane height map on the basis of the information on the three-dimensional map.
    • 环境地图构建方法和环境地图构建装置可以以相对于观察噪声鲁棒的方式在高度方向上以高分辨率表达周围的实施例。 本发明提供了一种用于构建三维环境图的环境地图构建装置,其用于三维地确定允许移动体根据外部环境条件在其中移动的区域,该外部环境条件包括外部环境条件检测部分,其检测 外部环境条件,基于由外部环境条件检测部检测到的外部环境条件构建表示三维网格的占有状态的三维地图的三维地图构建部,相对于 - 基平面高度图构建部,其基于由外部环境条件检测部检测到的外部环境条件,构建从二维基面显示高度的相对基准面高度图,以及高度图 信息修改部分,其修改相对于基站的信息, 平面高度图基于三维地图上的信息。