BackgroundUser content posted through Twitter has been used for biosurveillance, to characterize public perception of health-related topics, and as a means of distributing information to the general public.Most of the existing work surrounding Twitter and health care has shown Twitter to be an effective medium for these problems but more could be d
The erosive capacity of rainfall can be expressed by an index and knowing it allows recommendation of soil management and conservation practices to reduce water erosion.The objective of this study was to calculate various indices of rainfall erosivity in Lages, Santa Catarina, Brazil, identify the best one, and discover its temporal distribution.Th
Visual localization and mapping algorithms attempt to estimate, from images, geometrical models that explain ego motion and the positions of objects in a real scene.The success of these tasks depends directly on the quality and availability of visual data, since the information is recovered from visual changes in images.Keyframe selection is laufen