Single outdoor color image-based sunny and cloudy weather classification method
A color image, classification method technology, applied in the field of computer vision, can solve the problem of low classification effect, achieve the effect of fast training speed and high tolerance
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[0041] The present invention will be further described below in conjunction with accompanying drawing:
[0042] figure 1 It is a flow chart of the method of the present invention, and the method comprises the following steps:
[0043] Step 1. For outdoor color images, extract sky frequency histogram features, shadow energy features and transmittance features, and combine these three features with existing features to form a candidate weather feature set.
[0044] Step 1-1, on the basis of in-depth analysis and research on weather-related features, define the sky frequency histogram feature f sk , shadow energy feature f sh and the introduction of the transmittance feature f t , respectively extract the corresponding features;
[0045] Step 1-1-1, for the sky frequency histogram feature f sk , first apply the sky detection algorithm to detect the sky area of the outdoor color image with the sky area, and then extract the RGB three-channel pixel values for the sky area ...
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