destructor method for evaluation or selection of products or objects according to their qualities, characterized by comprising the steps of: - a series of undulatory measurements in order to obtain a series of wave data processed to provide a first set of parameters said products or objects (5) is analyzed, - performing a series of optical measurements in order to obtain a series of optical data are processed to provide a second set of parameters of said products or objects (5) which is analyzing, - correlating the first referenced and second set of parameters in order to determine a quality factor for each product or object (5) under analysis, and - differentiating products or objects (5) analyzed according to factors quality obtained.
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