Directional Local Filtering for Stand Density Estimation in Closed Forest Canopies Using VHR Optical and LiDAR Data.
Frieke Van CoillieFlore R. DevriendtLieven P. C. VerbekeRobert R. De WulfPublished in: IEEE Geosci. Remote. Sens. Lett. (2013)
Keyphrases
- density estimation
- lidar data
- aerial images
- urban areas
- change detection
- remote sensing
- remote sensing images
- hyperspectral imagery
- high resolution
- mixture model
- urban environments
- outlier detection
- multispectral
- probability density function
- point cloud
- data streams
- watershed segmentation
- hyperspectral
- satellite images
- gaussian mixture model
- line segments
- em algorithm
- data sets
- closed form
- image reconstruction
- expectation maximization
- image analysis
- data analysis
- pattern recognition
- similarity measure