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The article constitutes the continuation of the works realized under the research project entitled: The development of the method for marking and identi cation of the spots dangerous and of special importance for vision impaired persons in the big city with use of the wave-vibration markers . The consideration included the identi cation of the object (human), identi cation of the direction of movement (double barrier), wireless data transmission with the information on the dangerous area, stimulation of the vibration signal and the feedback of the system. This article presents the result of choice of the optimal solution regarding the installation of the system on the selected objects of the urban engineering and also presents the concept of the method of modelling of the shape of the zone that is used for marking of the dangerous spot.

acta physica polonica. a

Prototype System for Marking and Identification οf Dangerous Spots for Vision Impaired People - Size and Shape Testing Marking the Dangerous Spots Zone