Questions tagged “fourier transform”
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What do low and high frequencies mean in an image, and how do you read a discrete Fourier transform?
fourier-transformimage-processingfrequencysharpnessediting
Photography Stack Exchange contributor
13y ago
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149
What does an FFT of a photo show, and why do lines or star-like patterns appear?
fourier-transformimage-processingfrequency-domainanalysisfft
Photography Stack Exchange contributor
14y ago