知搜-全球专利检索

  1. 登录
  2. 注册

搜索结果

3 条记录 (耗时 0.021 秒)

    Apparatus and method for extracting correspondences between aerial images
    1.
    发明授权
    Apparatus and method for extracting correspondences between aerial images 有权
    提取航空图像对应的装置和方法

    公开(公告)号：US09390330B2

    公开(公告)日：2016-07-12

    申请号：US13325957

    申请日：2011-12-14

    申请人： Il-Kyu Park ,  Chang-Woo Chu ,  Young-Mi Cha ,  Bon-Ki Koo

    发明人： Il-Kyu Park ,  Chang-Woo Chu ,  Young-Mi Cha ,  Bon-Ki Koo

    IPC分类号： G06K9/00 ,  G06T17/05 ,  G06T7/00

    CPC分类号： G06K9/00637 ,  G06T7/33 ,  G06T17/05 ,  G06T2207/10032 ,  G06T2207/30184

    摘要： Disclosed herein is an apparatus and method for extracting correspondences between aerial images. The apparatus includes a line extraction unit, a line direction determination unit, a building top area extraction unit, and a correspondence extraction unit. The line extraction unit extracts lines corresponding buildings from aerial images. The line direction determination unit defines the directions of the lines as x, y and z axis directions based on a two-dimensional (2D) coordinate system. The building top area extraction unit rotates lines in the x and y axis directions so that the lines are arranged in parallel with the horizontal and vertical directions of the 2D image, and then extracts building top areas from rectangles. The correspondence extraction unit extracts correspondences between the aerial images by comparing the locations of the building top areas extracted from the aerial images.

    摘要翻译： 本文公开了一种用于提取航空图像之间的对应关系的装置和方法。 该设备包括线提取单元，线路方向确定单元，建筑物顶部区域提取单元和对应提取单元。 线提取单元从航空图像提取相应建筑物的线。 线方向确定单元基于二维（2D）坐标系，将线的方向定义为x，y和z轴方向。 建筑顶部区域提取单元沿x和y轴方向旋转线，使得线与2D图像的水平和垂直方向平行排列，然后从矩形中提取建筑顶部区域。 对应提取单元通过比较从空中图像提取的建筑物顶部区域的位置来提取空间图像之间的对应关系。

    APPARATUS AND METHOD FOR GENERATING TEXTURE OF THREE-DIMENSIONAL RECONSTRUCTED OBJECT DEPENDING ON RESOLUTION LEVEL OF TWO-DIMENSIONAL IMAGE
    2.
    发明申请
    APPARATUS AND METHOD FOR GENERATING TEXTURE OF THREE-DIMENSIONAL RECONSTRUCTED OBJECT DEPENDING ON RESOLUTION LEVEL OF TWO-DIMENSIONAL IMAGE 审中-公开
    根据二维图像分辨率级别生成三维重构对象纹理的装置和方法

    公开(公告)号：US20120162215A1

    公开(公告)日：2012-06-28

    申请号：US13333914

    申请日：2011-12-21

    申请人： Young-Mi CHA ,  Chang-Woo Chu ,  Il-Kyu Park ,  Bon-Ki Koo

    发明人： Young-Mi CHA ,  Chang-Woo Chu ,  Il-Kyu Park ,  Bon-Ki Koo

    IPC分类号： G06T15/04

    CPC分类号： G06T11/001 ,  G06T15/04 ,  G06T2200/08

    摘要： The present invention relates to an apparatus and method for generating a texture of a 3D reconstructed object depending on a resolution level of a 2D image. The apparatus includes a 3D object reconstruction unit for extracting, from images captured from at least two areas located at different distances, information about a 3D object and information about cameras, and then reconstructing the 3D object. A resolution calculation unit measures size of a space area, covered by one pixel of each of the images in a photorealistic image of the 3D object, and then calculates resolutions of the images. A texture generation unit generates textures for respective levels corresponding to classified images by using the images classified according to resolution level. A rendering unit selects a texture for a relevant level depending on a size of the 3D object on a screen, and then renders the selected texture.

    摘要翻译： 本发明涉及一种用于根据2D图像的分辨率级别生成3D重建对象的纹理的装置和方法。 该装置包括：3D对象重建单元，用于从从位于不同距离的至少两个区域拍摄的图像中提取关于3D对象的信息和关于照相机的信息，然后重构3D对象。 分辨率计算单元测量3D对象的真实感图像中的每个图像的一个像素覆盖的空间区域的尺寸，然后计算图像的分辨率。 纹理生成单元通过使用根据分辨率级别分类的图像来生成与分类图像相对应的各个级别的纹理。 渲染单元根据屏幕上的3D对象的大小来选择相关级别的纹理，然后渲染所选择的纹理。