Deep Learning-Based Virtual Optical Image Generation and Its Application to Early Crop Mapping
نویسندگان
چکیده
This paper investigates the potential of cloud-free virtual optical imagery generated using synthetic-aperture radar (SAR) images and conditional generative adversarial networks (CGANs) for early crop mapping, which requires at optimal date classification. A two-stage CGAN approach, including representation generation stages, is presented to generate Sentinel-2 spectral bands all available information from Sentinel-1 SAR images. The dual-polarization-based vegetation index multi-spectral are particularly considered feature extraction in stage. classification experiment -2 Illinois, USA, demonstrated that use scattering features achieved best prediction performance bands, visible, near-infrared, red-edge, shortwave infrared compared with cases only used dual-polarization backscattering coefficients partial input bands. Early mapping an image time series, image, yielded satisfactory accuracy comparable case actual time-series set, regardless different combinations Therefore, proposed model can be effectively applied when availability limited.
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ژورنال
عنوان ژورنال: Applied sciences
سال: 2023
ISSN: ['2076-3417']
DOI: https://doi.org/10.3390/app13031766