激光与光电子学进展, 2018, 55 (10): 103004, 网络出版: 2018-10-14   

基于自动子空间划分的高光谱本征图像分解

Hyperspectral Intrinsic Image Decomposition Based on Automatic Subspace Partitioning
作者单位
航天工程大学航天信息学院, 北京 101416
摘要
受传感器状态、成像机理、气候、光照等条件的影响, 高光谱遥感图像存在严重的畸变和失真。本征图像分解是计算机视觉及图形学领域广泛应用的图像处理技术, 采用该技术能够获得图像的本质特征。本研究将本征图像分解引入到高光谱图像处理中对原始图像进行本征图像分解。提出了一种基于自动子空间划分的高光谱本征图像分解方法。首先对高光谱图像进行子空间划分, 再对每个子空间应用基于最优化的本征图像分解方法进行分解, 然后对分解得到的反射率本征图像进行高光谱图像分类处理。实验结果表明:基于自动子空间划分的高光谱本征图像分解能够在较大程度上提高高光谱图像的分类精度。
Abstract
Because of the influence of certain operational parameters, such as sensor status, imaging mechanism, climate, and illumination, hyperspectral remote sensing images suffers from serious distortion. Intrinsic image decomposition (IID) is an extensively used image processing technology in the field of computer vision and graphics because it can acquire the essential features of the images that are being processed. IID is introduced to hyperspectral image procesing to decoposite the original images. Accordingly, we propose a hyperspectral IID method based on automatic subspace partitioning. Firstly, the hyperspectral image is divided into subspaces, and the optimal decomposition-based IID method is applied to each subspace. The reflectance intrinsic image that is obtained from the decomposition is further subjected to hyperspectral image classification processing. The experimental results obtained from this study indicate that the proposed method can considerably improve the accuracy of hyperspectral image classification.

任智伟, 吴玲达. 基于自动子空间划分的高光谱本征图像分解[J]. 激光与光电子学进展, 2018, 55(10): 103004. Ren Zhiwei, Wu Lingda. Hyperspectral Intrinsic Image Decomposition Based on Automatic Subspace Partitioning[J]. Laser & Optoelectronics Progress, 2018, 55(10): 103004.

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