Development of a sky imager for cloud cover assessment.

  title={Development of a sky imager for cloud cover assessment.},
  author={Alberto Cazorla and Francisco Jos{\'e} Olmo and Lucas Alados-Arboledas},
  journal={Journal of the Optical Society of America. A, Optics, image science, and vision},
  volume={25 1},
Based on a CCD camera, we have developed an in-house sky imager system for the purpose of cloud cover estimation and characterization. The system captures a multispectral image every 5 min, and the analysis is done with a method based on an optimized neural network classification procedure and a genetic algorithm. The method discriminates between clear sky and two cloud classes: opaque and thin clouds. It also divides the image into sectors and finds the percentage of clouds in those different… CONTINUE READING
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