Road region detection in urban areas combining high-resolution RGB image and laser scanning data in a classification framework

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Poz, A.P. Dal [UNESP]
Mendes, T. S.G. [UNESP]

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This paper addresses the problem of road region detection in urban areas using an image classification approach. In order to minimize the spectral superposition of the road (asphalt) class with other classes, the Artificial Neural Networks (ANN) image classification method was used to classify geometrically-integrated high-resolution RGB aerial and laser-derived images. The RGB image was combined with different laser data layers and the ANN classification results showed that the radiometric and geometric laser data allows a better detection of road pixel.



Artificial Neural Network, Laser pulse intensity image, Normalized digital surface model, RGB aerial image

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International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences - ISPRS Archives, v. 40, n. 1W1, p. 53-56, 2013.