Automatic crystal identification for crystallography: a comparison between direct methods and artificial intelligence strategies
Lages, C. F.; Nicoleti, V. Y.; Correa, M. R.; Mausbach, P.; Ramos, F. C.; Araujo, E.; Nascimento, A. Z.; Miqueles, E. X.
Show abstract
Crystallography is an important, and well-established technique for assessing crystalline atomic structure of a wide variety of materials. An auxiliary optical microscope instrument is used to perform the data acquisition at the manaca beamline, a crystallography experimental station from sirius (the 4th generation Brazilian synchrotron). The importance of detecting these crystals in the auxiliary image is to define the best order in which each crystal will be measured by the incident beam since each one of them must be measured only once; improving beamtime and maximizing user experience at the facility. Detecting rough crystal positions from these auxiliary images is a scientific computing task, which could benefit from some open artificial intelligence tools. This manuscript compares a real-time object detection interface (Yolo) with a new, simple and effective strategy obtained from a particular partial differential equation.
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