Two Spectral Reconstruction Methods and their Accuracy Comparison

Abstract

Proposed and implemented two complete multi-channel spectral reconstruction methods based on basis functions and pseudo-inverse, and using RGB digital camera built up a reconstruction system. A set of algorithms that enable virtually complete digital response value correction were proposed. The root mean square error and color difference as evaluation criteria to compare the reconstruction accuracy of two methods, and experiment show that the accuracy of both methods is basically the same, but the basis function method is more suitable for multi-spectral reconstruction operations.