Study on the capabilities of morphological attribute profiles in change detection on VHR images

Nicola Falco; Mauro Dalla Mura; Francesca Bovolo; Jon Atli Benediktsson; Lorenzo Bruzzone

doi:10.1117/12.866178

22 October 2010 Study on the capabilities of morphological attribute profiles in change detection on VHR images

Nicola Falco, Mauro Dalla Mura, Francesca Bovolo, Jon Atli Benediktsson, Lorenzo Bruzzone

Proceedings Volume 7830, Image and Signal Processing for Remote Sensing XVI; 783016 (2010) https://doi.org/10.1117/12.866178
Event: SPIE Remote Sensing, 2010, Toulouse, France

Abstract

The analysis of changes occurred in multi-temporal images acquired by the same sensor on the same geographical area at different dates is usually done by performing a comparison of the two images after co-registration. When one considers very high resolution (VHR) remote sensing images, the spatial information of the pixels becomes very important and should be included in the analysis. However, taking into account spatial features for change detection in VHR images is far from being straightforward, due to effects such as seasonal variations, differences in illumination condition, residual mis-registration, different acquisition angles, etc., which make the comparison of the structures in the scene complex to achieve from a spatial perspective. In this paper we propose a change detection technique based on morphological Attribute Profiles (APs) suitable for the analysis of VHR images. In greater detail, this work aims at detecting the changes occurred on the ground between the two acquisitions by comparing the APs computed on the image of each date. The experimental analysis has been carried out on two VHR multi-temporal images acquired by the Quickbird sensor on the city of Bam, Iran, before and after the earthquake occurred on Dec. 26, 2003. The experiments confirm that the APs computed at different dates show different behaviors for changed and unchanged areas. The change detection maps obtained by the proposed technique are able to detect changes in the morphology of the correspondent regions at different dates regardless their spectral variations.

Citation Download Citation

Nicola Falco, Mauro Dalla Mura, Francesca Bovolo, Jon Atli Benediktsson, and Lorenzo Bruzzone "Study on the capabilities of morphological attribute profiles in change detection on VHR images", Proc. SPIE 7830, Image and Signal Processing for Remote Sensing XVI, 783016 (22 October 2010); https://doi.org/10.1117/12.866178

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