Mr. Yang Liu Profile

Yang Liu

at Institute of Automation CAS

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Proceedings Article | 15 November 2007 Paper

Region based image fusion using SVM

Yang Liu, Jian Cheng, Hanqing Lu

Proceedings Volume 6787, 67871E (2007) https://doi.org/10.1117/12.749598

KEYWORDS: Image fusion, Image segmentation, Principal component analysis, Multispectral imaging, Wavelets, Image quality, Image resolution, Remote sensing, Spatial resolution, Vegetation

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This paper presents a novel fusion approach using PCA merger based on multiscale decomposition (MSD), combined with region segmentation and support vector machine (SVM), the result is a high spatial resolution multispectral image from a high resolution panchromatic (Pan) image and low resolution multispectral (Ms) images. Principal components analysis (PCA) fusion technique is one of typical fusion methods, and PCA merger based on MSD had been proposed which can obtain better performance. As we know that, in pixel fusion level, the original images are fused as internal region regardless of the contents of images, but in this paper, we perform region segmentation after MSD, because the homogeneous regions have similar features such as color, texture and intensity. Traditionally, various fusion rules can be applied after MSD according to different conditions, however, the crucial problem is which fusion rule should be adopted under given condition, hence we use the SVM to combine the most fusion rules so that can avoid some drawbacks using single fusion rule. To validate our approach, we compare it with several typical fusion approaches, and the best result is obtained using our approach.

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