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Registered APPARATUS AND METHOD FOR EXTRACTING CORRESPONDENCES BETWEEN AERIAL IMAGES

항공 영상 간 대응 관계 추출 장치 및 그 방법
이미지 확대
Inventors
Park Il Kyu, Cha Youngmi, Chu Chang Woo, Koo Bonki
Application No.
13325957 (2011.12.14)
Publication No.
20120155745 (2012.06.21)
Registration No.
9390330 (2016.07.12)
Country
UNITED STATES
Project Code
10MT1600, Development of Full 3D Reconstruction Technology for Broadcasting Communication Fusion, Koo Bonki
Abstract
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.
KSP Keywords
2D image, Aerial images, Coordinate system, Extraction unit, Line direction, area extraction, line extraction, two-dimensional(2D), z axis