Measurement of Rock Joint Surfaces by Using Smartphone Structure from Motion (SfM) Photogrammetry.
Pengju AnKun FangQiangqiang JiangHaihua ZhangYi ZhangPublished in: Sensors (2021)
Keyphrases
- structure from motion
- bundle adjustment
- industrial parts
- point cloud
- image sequences
- camera parameters
- computer vision
- missing data
- feature tracking
- surface reconstruction
- photometric information
- nonrigid objects
- camera motion
- three dimensional
- scene structure
- camera positions
- range data
- vision system
- reprojection error
- reconstruction from multiple images
- focal length
- feature correspondences
- image based localization
- optical flow
- motion estimates
- rigid motion
- visual hull
- least squares