I can't do ndvi for Landsat8 satellite image

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Yavuzhan Çepni
Yavuzhan Çepni 2020-5-24
评论： Yavuzhan Çepni 2020-5-26
Good day to everyone. I just started Matlab and I am facing NDVI problem.ndvi = (NIR - R) ./ (NIR + R) I know the code but I can't define R and NIR I will be working on the Landsat8 image. Please help. Thanks in advance.

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回答（3 个）

Image Analyst
Image Analyst 2020-5-24
Somehow you need to read in the band images. For example, can you use multibandread()?
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Image Analyst
Image Analyst 2020-5-25
Maybe the txt file will tell you what band/image is what wavelength. What's in it? Can you attach the txt file? Or else ask the owners of the site.
Yavuzhan Çepni
Yavuzhan Çepni 2020-5-26
Thank you very much, you took your time, but I took care of it. There are already 12 tapes in the folder, all completed one by one. Thank you so much.

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Yavuzhan Çepni
Yavuzhan Çepni 2020-5-25
Yavuzhan Çepni
Yavuzhan Çepni 2020-5-25
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Yavuzhan Çepni
Yavuzhan Çepni 2020-5-25
yes, but the real problem is I can't identify the R and NIR bands, so I can't do that.I tried it many times but it does not.

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