why the optical image is four channels

AmberHen / WHU-OPT-SAR-dataset

Open source dataset; multimodal fusion；remote sensing；optical images; SAR images；deep learning

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Closed CodeofHuang closed 1 year ago

CodeofHuang commented 1 year ago

Hi, I would like to ask here why the optical image is four channels? I'm sorry I'm just a radar researcher, I don't know much about optical images

AmberHen commented 1 year ago

You can read the first three channels of each optical image to use RGB images.