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An innovative tree defect detection scheme, which combines acoustic-laser technique and sonic tomography, is studied. A new sensor distribution can be adopted based on the near-surface response detected by acoustic-laser technique, and a more reliable image of the tree trunk can be observed by sonic tomography. By using such hybrid detection scheme, the near-surface defects (bark detachment, cracks,...
This paper applies a previously developed geometric model of brush footprint to robotic Chinese calligraphy. With this model, robot is augmented with the ability to perceive and cognize the brush footprint profile generated in a brush motion. The model approximates the outline of the brush footprints via the coordinates of 8 vertex points. Each coordinate is represented as 2 polynomial functions of...
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