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In this paper, a new subpixel mapping approach for hyperspectral image is proposed, using a spatial-spectral endmember dictionary with collaborative representation (CR). Different from the classic approaches, the proposed approach employ several spatially closest training samples as the endmembers used for the representation of each mixed pixel, instead of the entire training set. Furthermore, the...
In current days, the business environment is more competitive and changing faster than ever before, so it is important for employees to learn new knowledge related to their business quickly and efficiently. Meanwhile, the personalized e-learning system makes it possible for employees to discover a personalized learning path in order to improve the learning efficiency. For business in a company, it...
By analyzing the difficulty in information integration and sharing of ocean, a hierarchical model, including distributed resource layer, data integration layer, services layer, service integration layer and application layer, was proposed to integrate information. Exchange data format based on ontology was defined to transform data between different modules. In addition, service integrator was introduced...
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