High-spectral image processing method for gibbsite information extraction
An information extraction and image processing technology, which is applied in the field of hyperspectral image processing for gibbsite information extraction, can solve the problems of long processing time, large amount of data, and many manual operation steps, and achieves improved computing speed, good effect and significance. , the effect of reducing interference
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[0030] The present invention comprises the steps in turn:
[0031] Step 1, preprocessing
[0032] Obtain hyperspectral images; preprocess hyperspectral images, perform atmospheric correction, and obtain image data of ground reflectance;
[0033] The atmospheric correction described in this step is a processing method known in the art.
[0034] Step 2: Sampling
[0035] Sampling the image data obtained in step 1, sampling images with wavebands at 1355nm, 1445nm, 1490nm, 1520nm, 1550nm, 1625nm, 1775nm, 1940nm, 2150nm, 2255nm, and recording them as b1~b10 in sequence, that is, b1 is the waveband of 1355nm Sampling data, b2 is the sampling data of the band 1445nm, and so on. Each sampling is a grayscale image, and the value of each pixel in the image is its grayscale value, that is, b1 is a grayscale image, and the value of point (1,1) of the b1 image is gray degree value, and so on for the rest of the points, and so on for the rest of the sampling maps.
[0036] Step Three: ...
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