Public health surveillance; Social networks--Health aspects; Information storage and retrieval systems--Public health
Early information is crucial for policy makers and public health officials responsible for protecting the public from the virulent spread of contagious diseases. Current indicators of the spread of contagious outbreaks lag behind the actual spread...
When observers view a naturalistic (l/f) broadband image, the various spatial components present in the image stimulate many detecting-mechanisms that suppress each other. This suppression is anisotropic, being relatively greater for mechanisms...