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Super resolution laser thermography

In order to break the thermographic spatial resolution limit (super resolution), the combination of spatially structured heating and numerical methods of compressed sensing can be used. Our studies deal with the influence of experimental parameters such as the pulse length of the laser illumination and the size of the laser spot. Furthermore, we have dealt with the choice of parameters in the reconstruction that have an influence on the underlying minimization problem in terms of compressed sensing. Finally, the results of the super resolution method are compared with the results based on conventional thermographic testing methods.