Impacts of different transformation models on remote sensing image registration accuracy based on implicit similarity

Qin Ye; Yahui Yao; Popo Gui; Cuifang Ai

doi:10.1117/12.2204788

6 August 2015 Impacts of different transformation models on remote sensing image registration accuracy based on implicit similarity

Qin Ye, Yahui Yao, Popo Gui, Cuifang Ai

Author Affiliations +

Proceedings Volume 9669, Remote Sensing of the Environment: 19th National Symposium on Remote Sensing of China; 96690D (2015) https://doi.org/10.1117/12.2204788
Event: Remote Sensing of the Environment: 19th National Symposium on Remote Sensing of China, 2014, Xian City, China

Abstract

How the different transformation models take effects on the registration accuracy based-on implicit similarity between the remote sensing images is the key point of this paper. For registration between SAR and optical imagery, analyze the imaging characteristic of push-broom optical satellite image and SAR image according to their imaging models; study the impacts taken by terrain fluctuation and different transformation models. The DEM and image pairs are simulated in the experiment, the results show: in region of bigger relief, the larger the registration image size, the greater impacts are taken by different transformation models on registration accuracy. Considering the polynomial transformation model leads to the low searching efficiency, affine transformation model regards as the best model for registration, but it has low accuracy and just applies to small images(such as 200x200). For large image (such as 800x800), 8-parameters transformation model is the best choice (balance accuracy and efficiency), but adding the parameters of transformation model (such as 12-parameters) again cannot significantly improve the registration accuracy.

Citation Download Citation

Qin Ye, Yahui Yao, Popo Gui, and Cuifang Ai "Impacts of different transformation models on remote sensing image registration accuracy based on implicit similarity", Proc. SPIE 9669, Remote Sensing of the Environment: 19th National Symposium on Remote Sensing of China, 96690D (6 August 2015); https://doi.org/10.1117/12.2204788

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KEYWORDS

Image registration

Affine motion model

Remote sensing

Image processing

Synthetic aperture radar

Satellites

Satellite imaging

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