extract 64 lowest frequency components of fft
조회 수: 2 (최근 30일)
이전 댓글 표시
How to extract 64 lowest frequency components using fourier transform of an image
fft2 or fftn which function to use, and how to get the 64 feature vector as fft2 and fftn returns a matrix ouput
댓글 수: 0
채택된 답변
Sulaymon Eshkabilov
2021년 5월 24일
Hi,
For image analysis, fft2 is to be used and that is quite straightforward.
Here is an additional help discussion on this:
Good luck.
댓글 수: 0
추가 답변 (0개)
참고 항목
카테고리
Help Center 및 File Exchange에서 Fourier Analysis and Filtering에 대해 자세히 알아보기
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!