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A Photovoltaic Image Crack Detection Algorithm Based on Laplacian Pyramid Decomposition

  • Dai Sui
  • Dongqing CuiEmail author
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 516)

Abstract

Aiming at detecting cracks in photovoltaic images, a crack detection algorithm of photovoltaic images based on Laplacian pyramid decomposition is studied in this paper. Firstly, in order to suppress noise from the crack area, the image is subjected to a filtering process and contrast enhancement operation. Then, the multi-scale edge detection based on Laplacian pyramid decomposition is applied to the processed image to extract the edge of the image. The results of the extracted fractures are optimized to eliminate the influence of partial noise. Through tests and comparisons, the algorithm is proved effective on crack detection for photovoltaic image.

Keywords

Photovoltaic image Crack Filtering Laplacian pyramid 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  1. 1.Guangdong Testing Institute of Product Quality SupervisionFoshanChina
  2. 2.Information and Technology CollegeDalian Maritime UniversityDalianChina

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