Uploaded on 2019-12-27 by Anatolie Gordeev

Pedestrian area, very big number of people daily, regardless of the weather and day of the week, different shops, undeveloped territory, accidentally drove a car - this is visible part of this picture. From this visible information we can extract two invisible information. We can measure density and diversity of urban activities and we can measure walking activity in real time. Invisible information density and diversity become knowledge and detecting emerging new centers from urban centrality.