Title :
An approach for interference detection and rejection from other sensors by using Hough Transform and image processing
Author :
Ravenni, Valentina ; Cantini, Leonardo ; Bertacca, Massimo
Author_Institution :
ISL -Ingegneria dei Sistemi Logistici S.p.A., Rome
Abstract :
This paper presents some results of studies on radar interference rejection using a Hough-Transform-based technique and image processing. If target detection is done by comparing the magnitude of each bin with a threshold produced by a CFAR algorithm, a number of radar systems operating at the same frequency band can cause reciprocal interference, thereby affecting detection and increasing false alarm probability. In this work we will refer to this interference as to "other sensor interference" (OSI). The goal of this work is the definition of methods to detect and remove the interference patterns from radar raw video images. We show that the substitution of interferences with samples estimated from cells (cross range samples) in close proximity of the OSI-affected samples allows CFAR algorithms performance to be improved.
Keywords :
Hough transforms; interference suppression; radar imaging; radar interference; target tracking; CFAR algorithm; Hough transform; false alarm probability; image processing; interference detection; interference patterns; other sensor interference; radar interference rejection; target detection; Clutter; Image processing; Image sensors; Interference; Open systems; Radar detection; Radar imaging; Radar signal processing; Region 1; Signal processing algorithms;
Conference_Titel :
Waveform Diversity and Design Conference, 2007. International
Conference_Location :
Pisa
Print_ISBN :
978-1-4244-1276-1
Electronic_ISBN :
978-1-4244-1276-1
DOI :
10.1109/WDDC.2007.4339396