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Intermediate band photovoltaics in solar cell research provides methods for exceeding the Shockley–Queisser limit on the efficiency of a cell. It introduces an intermediate band (IB) energy level in between the valence and conduction bands. Theoretically, introducing an IB allows two photons with energy less than the bandgap to excite an electron from the valence band to the conduction band.
A method, system, and readable storage medium for nonlinear simulation of remote sensing images
ActiveCN120997259BEnable high-fidelity simulationPredictable simulation resultsImage enhancementImage analysisFeature fusionHistogram
This invention discloses a method, system, and readable storage medium for nonlinear simulation of remote sensing images. The method includes: inputting a panchromatic image and a multispectral band image; registering the multispectral image with the panchromatic image and resampling it according to high spatial resolution bands; statistically analyzing the mean, root mean square error, and correlation coefficient matrix of the panchromatic and multispectral images; constructing an intermediate band I using the low-resolution multispectral image; constructing an image simulation operator using histogram feature matching of the remote sensing images; and calculating the feature fusion coefficient k. E and feature extraction coefficient k I The method of this invention determines the image simulation scheme and performs image simulation band by band. There is no limitation on the number of image bands, and the simulation results of remote sensing images can be predicted. This invention provides two image simulation modes: panchromatic image injection into multispectral image and multispectral image injection into panchromatic image, enabling high-fidelity simulation of the spectral and spatial information of ground features in remote sensing images.
Owner:PEARL RIVER HYDRAULIC RES INST OF PEARL RIVER WATER RESOURCES COMMISSION