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Detection of Thin Lines using Low-Quality Video from Low-Altitude Aircraft in Urban Settings

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4 Author(s)
Candamo, J. ; Dept. of Comput. Sci. & Eng., Univ. of South Florida, Tampa, FL, USA ; Kasturi, R. ; Goldgof, D. ; Sarkar, S.

A novel thin line detection algorithm for use in low-altitude aerial vehicles is presented. This algorithm is able to detect thin obstacles such as cables, power lines, and wires. The system is intended to be used during urban search and rescue operations, capable of dealing with low-quality images, robust to image clutter, bad weather, and sensor artifacts. The detection process uses motion estimation at the pixel level, combined with edge detection, followed by a windowed Hough transform. The evidence of lines is tracked over time in the resulting parameter spaces using a dynamic line movement model. The algorithm's receiver operating characteristic curve (ROC) is shown, based on a multi-site dataset with 86 videos with 10160 wires spanning in 5576 frames.

Published in:

Aerospace and Electronic Systems, IEEE Transactions on  (Volume:45 ,  Issue: 3 )

Date of Publication:

July 2009

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