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Event Detection System for the Penitentiary Institutions using Multimodal Data and Deep Networks

Bilski Piotr, Lewandowski Marcin, Bilski Adrian, Buchowicz Andrzej, Olejnik Jacek, Mazurek Paweł, Jędrzejewski Konrad

Machine Graphics and Vision

2023

Vol. 32, No. 3/4

233--254

The aim of the paper is to present the distributed system for the unwanted event detection regarding inmates in the closed penitentiary facilities. The system processes large number of data streams from IP cameras (up to 180) and performs the event detection using Deep Learning neural networks. Both audio and video streams are processed to produce the classification outcome. The application-specific data set has been prepared for training the neural models. For the particular event types 3DCNN and YOLO architectures have been used. The system was thoroughly tested both in the laboratory conditions and in the actual facility. Accuracy of the particular event detection is on the satisfactory level, though problems with the particular events have been reported and will be dealt with in the future.

Inspection method of aluminium extrusion process

Garbacz P., Giesko T., Mazurkiewicz A.

Archives of Civil and Mechanical Engineering

2015

Vol. 15, no. 3

631--638

The paper presents the method for the monitoring of aluminium extrusion processes. The developed hybrid method combines the advantages of computer based, simultaneous infrared and visible image analysis for surface inspection of the profile directly after leaving the die. Thermograms present the temperature distribution on the surface of the extruded profile and contain information about the extrusion process. The proposed inspection system can be applied in industry for on-line monitoring of aluminium extrusion processes and the inspection of defects arising in extruded products.