RECOVERING IMAGING DEVICE SENSITIVITIES : A DATA-DRIVEN APPROACH
RECOVERING IMAGING DEVICE SENSITIVITIES : A DATA-DRIVEN APPROACH
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恢复成像设备灵敏度：数据驱动的方法
DOI：
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发表时间：
2005
期刊：
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通讯作者：
F. Cawalho
中科院分区：
文献类型：
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作者：
F. Cawalho
用间接方法恢复成像设备的光谱灵敏度，以及从设备响应估计光谱刺激是不适定问题。所有已知的方法都必须依赖于先验信息来约束解空间，这。在大多数情况下，很难甚至不可能获得。本文介绍了一种简单且完全数据驱动的间接谱灵敏度估计方法，该方法不依赖于显式的先验信息，该方法建立在我们之前针对约束Tikhonov问题的广义交叉验证工作的扩展之上，并利用线性组合带限基函数。
Recovering spectral sensitivities of imaging devices with indirect methods, as well as spectral stimuli estimation from device responses are ill-posed problems. All known methods have to rely on a priori information to constrain the solution space, which. in most situations, is difficult or even impossible to obtain. In this paper we introduce a simple and fully data-driven approach for indirect spectral sensitivity estimation, which does not rely on explicit a priuri information, The method is built upon an extension of our previous work on Generalized Cross-Validation for constraint Tikhonov problems and utilizes a linear combination o f band-limited basis functions.