Band noise removal method for medium resolution imaging spectrometer based on variational method
An imaging spectrometer and stripe noise technology, which is applied in the field of remote sensing image processing, can solve the problems of ineffective denoising, enhanced random noise, blurred important details of remote sensing images, etc. Effect
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[0017] A method for removing band noise of a medium-resolution imaging spectrometer based on a variational method of the present invention comprises the following steps:
[0018] Step 1. Separate the MODIS data according to the resolution; when separating the MODIS data according to the resolution, since the 250m resolution data of MODIS is 40 yuan parallel scanning, the 500m resolution data is 20 yuan parallel scanning, and the resolution is 1km The data is 10 yuan parallel scanning, and considering the mirror scanning, the 250m resolution data is regarded as 2 groups of 40 detectors, a total of 80 detectors, and the 500m resolution data is regarded as 2 groups of 20 detectors, a total of 40 detectors. The 1km resolution data is regarded as 2 groups of 10 detectors, a total of 20 detectors; the first row in the set data is generated by No. 1 detector, the second row is generated by No. 2 detector, and so on, to get the corresponding number Detector subimages, numbered startin...
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