We consider the problem of change point detection for high-dimensional distributions in a location family when dimension can be much larger than sample size. In analysis, widely used cumulative sum (CUSUM) statistics are sensitive to outliers and heavy-tailed distributions. this paper, we propose robust, tuning-free (i.e., fully data-dependent), easy-to-implement test that enjoys strong theoret...

Unmanned Aerial Vehicles (UAVs), commonly known as drones are increasingly being used for three?dimensional (3D) mapping of the environment. This study utilised UAV technology to produce a revised 3D map University Lagos well land cover change detection analysis. A DJI Phantom 4 was collect digital images at flying height 90 m, and 75% fore 65% side overlaps. Ground control points (GCPs) orthop...

A highly accurate and efficient finite-difference method for phase-change problems with multiple moving boundaries of irregular shape is developed by employing a coordinate transformation that immobilizes moving boundaries and preserves the conservative forms of the original governing equations. The numerical method is first presented for one-dimensional phase-change problems (involving large d...