It is very important for testing of temperature field in laser processing. A new CCD camera based on DSP for measurement
of temperature field in laser molten pool is presented in this paper. It uses a DSP as the main CPU without the
computer to process images. In this way, the system is simple and efficient. It can not only display 2D morphology and
gradient images of temperature field, but also give numerical distribution of temperature field. Comparing with PC-based
system, DSP-based system has a small and integrated size, measuring temperature in real time and quickly processing
images. After further developing, the system based on DSP could be an useful device in laser processing.
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