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Alternative TitleCharacteristic point three-dimensional reconstruction method based on trifocal tensor
赵吉宾; 夏仁波; 刘伟军; 黄以君
Rights Holder中国科学院沈阳自动化研究所
Patent Agent沈阳科苑专利商标代理有限公司 21002
Other AbstractThe invention relates to a characteristic point three-dimensional reconstruction method based on trifocal tensor, which includes the following steps: coding points, marking points and a ruler are arranged on the surface of the measured object a digital camera is used to take photos of the measured object in multiple angles, and the photos are inputted to a computer for image processing to obtainthe image coordinates (xd, x'd and x''d) all images are rearranged for normalization treatment according to the image coordinates (xd, x'd and x''d) the trifocal tensor of each group of images is respectively calculated to determine the three-dimensional point coordinates of the coding points and the marking points each group of three-dimensional point coordinates is processed to obtain the three-dimensional coordinates (x, y and z) of each point in the unified coordinate system the specific value of the length and the actual length is calculated through the ruler to obtain new three-dimensional point coordinates (x', y' and z') in metric space the new three-dimensional point coordinates (x', y' and z') receive focusing control to obtain integrally optimized three-dimensional point coordinates. The three-dimensional reconstruction method in the invention has high calculation accuracy, simple use, convenient operation, needs only a portable digital camera, a common laptop, a groupof coding points and marking points, and a ruler.
PCT Attributes
Application Date2008-12-10
Date Available2011-06-08
Application NumberCN200810229516.8
Open (Notice) NumberCN101750029A
Contribution Rank1
Document Type专利
Recommended Citation
GB/T 7714
赵吉宾,夏仁波,刘伟军,等. 基于三焦点张量的特征点三维重建方法[P]. 2010-06-23.
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