Multiclass change detection for multidimensional images in the presence of noise

Javier López-Fandiño; Dora B. Heras; Francisco Argüello

doi:10.1117/12.2325363

9 October 2018 Multiclass change detection for multidimensional images in the presence of noise

Javier López-Fandiño, Dora B. Heras, Francisco Argüello

Proceedings Volume 10792, High-Performance Computing in Geoscience and Remote Sensing VIII; 1079204 (2018) https://doi.org/10.1117/12.2325363
Event: SPIE Remote Sensing, 2018, Berlin, Germany

Abstract

Change Detection (CD) techniques applied over multitemporal multispectral or hyperspectral remote sensing images allow monitoring changes in the land use or catastrophe tracking, among other applications. A multiclass CD technique for multidimensional images that is robust in the presence of noise is presented in this paper. The technique combines fusion at feature level to perform a first change/no change labeling (binary CD) and a later stage with fusion at decision level that performs a supervised multidate classification of the changed pixels (multiclass CD) obtaining the final from-to change map. The acquisition of multidimensional images usually corrupts the original signal by adding noise. This noise can be related with natural random processes or it can be produced during the sensor operation. Additive White Gaussian Noise (AWGN) and speckle noise simulate these effects. In this paper the robustness of the proposed CD technique in noisy scenarios for these two types of noise of varying intensity is evaluated. The experimental results show that the proposed technique is more robust than other alternatives, achieving accuracies close to those obtained in the absence of noise. The proposed technique is designed to be efficiently computed in GPU, thus dealing with the high computational cost of the processing of multidimensional images.

Citation Download Citation

Javier López-Fandiño, Dora B. Heras, and Francisco Argüello "Multiclass change detection for multidimensional images in the presence of noise", Proc. SPIE 10792, High-Performance Computing in Geoscience and Remote Sensing VIII, 1079204 (9 October 2018); https://doi.org/10.1117/12.2325363

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KEYWORDS

Binary data

Remote sensing

Image fusion

Speckle

Interference (communication)

Image processing

Principal component analysis

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