LI Jin-peng, JIANG Ting, XIAO Da etc. On diagram-based three-dimensional reconstruction of UAV image[J]. Editorial Office of Optics and Precision Engineering, 2016,24(6): 1501-1509
LI Jin-peng, JIANG Ting, XIAO Da etc. On diagram-based three-dimensional reconstruction of UAV image[J]. Editorial Office of Optics and Precision Engineering, 2016,24(6): 1501-1509 DOI: 10.3788/OPE.20162406.1501.
On diagram-based three-dimensional reconstruction of UAV image
In response to low operation efficiency of the incremental algorithm for structure recovery from motion in three-dimensional reconstruction of UAV (Unmanned Aerial Vehicle) image
a diagram-based method for reconstruction of UAV image was proposed. In this method
data obtained from low-precision position and orientation system of UAV was adopted to roughly estimate the overlapping relationship between images
SIFT matching was conducted between related images
random sample consensus algorithm and three views constraint were used to weed out the connected relation between weakly-related images
depth-first search was applied to obtain the connected component of the images finally involved in reconstruction
and then a steady diagram for strongly-related images was designed. Then based on the relative position and attitude parameter of the images
the least square method was adopted to work out the consistency rotation parameter
the three views constraint and linear programming were used to solve the consistency location parameter
and then a bundle method-based adjustment optimization was conducted. It indicates that the operating speed of this method is at least 2.6 times faster than that of the typical incremental Bundler algorithm
the three-dimensional points increased by 76.5%
and it can more closely recover the original geometry form. This method
while perfecting the reconstruction effect
improves the treatment efficiency and can meet the requirement for quick response of UAV.
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references
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