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BTV-Hero › Forums › Land in Focus – Basics of Remote Sensing › Sensor Accuracy › Reply To: Sensor Accuracy

  • Akash Senthilkumaran

    Member
    February 3, 2022 at 7:27 pm

    I think the values in the answer sheet are wrong and dont correspond to the values based on the graphs we get.

    For eg, G-Green band , DN is 310, observed value is 0.45. But using the eqn 0.1697*B4 – 7.2858, the value obtained is 45.5212 using the formula, but the value in the answer sheet is 0.456. Also the final spectral signature graph contains values between 0 and 60 whereas in the answer sheet, the values are between 0 and 1. Correction needs to be made. Please clarify if I am getting something wrong

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