Q. Which of the following techniques is based on the Fourier transform?

  • (A) structural
  • (B) spectral
  • (C) statistical
  • (D) topological
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✅ Correct Answer: (B) spectral
Explanation: spectral techniques are based on properties of the fourier spectrum and are used primarily to detect global periodicity in an image by identifying high energy, narrow peaks in the image.

Published by Mr. Dubey ⭐ 111.54K Points at 21-Sep-2023 06:50 pm in Metrology and Measurements

Explanation by: Mr. Dubey
spectral techniques are based on properties of the fourier spectrum and are used primarily to detect global periodicity in an image by identifying high energy, narrow peaks in the image.

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