File:160 by 160 thumbnail of 'Green Sea Shell' - 0. in fourier domain all components (RGB).png

160_by_160_thumbnail_of_'Green_Sea_Shell'_-_0._in_fourier_domain_all_components_(RGB).png(435 × 342 pixels, file size: 87 KB, MIME type: image/png)

Summary

Description
English: 160_by_160_thumbnail_of_'Green_Sea_Shell' - 0 in fourier domain.

In RGB channels in fourierdomain, logarithmic. Zero frequency in the center.

matlab Code:

aa(:,:,1)=(fftshift(log(abs(fft2(x160(:,:,1)))))) aa(:,:,2)=(fftshift(log(abs(fft2(x160(:,:,2)))))) aa(:,:,3)=(fftshift(log(abs(fft2(x160(:,:,3)))))) aa=aa-min(min(aa(:))) aa=aa./(max(aa(:))); figure; imagesc(aa)

export_fig 'shell14.png' -png -a1
Date
Source File:160_by_160_thumbnail_of_'Green_Sea_Shell'.png
Author James Petts / shaddim

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3 April 2016

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a2f7f133d3514345dbe3327e6e1ddcc6ccb4501b

88,593 byte

342 pixel

435 pixel

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Date/TimeThumbnailDimensionsUserComment
current16:54, 3 April 2016Thumbnail for version as of 16:54, 3 April 2016435 × 342 (87 KB)ShaddimUser created page with UploadWizard
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