Experiment
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The document applies a 2-D adaptive Fourier decomposition (AFD) to an image f with increasing decomposition levels of 4, 8, and 16. It records the elapsed time for each decomposition, which increases from 285 seconds for level 4, to 1,129 seconds for level 8, to 4,513 seconds for level 16.
![[fn,a,b]=afd_2d(f,4); Elapsed time is 285.279192
seconds.
fn=fft(f,4)
figure;mesh(real(fn))](https://image.slidesharecdn.com/experiment-130418202921-phpapp02/85/Experiment-2-320.jpg)
![[fn,a,b]=afd_2d(f,8); Elapsed time is 1128.909871
seconds.
fn=fft(f,8);
figure;mesh(real(fn))](https://image.slidesharecdn.com/experiment-130418202921-phpapp02/85/Experiment-3-320.jpg)
![Elapsed time is 4513.005270
[fn,a,b]=afd_2d(f,16);
seconds.
fn=fft(f,16);
figure;mesh(real(fn))](https://image.slidesharecdn.com/experiment-130418202921-phpapp02/85/Experiment-4-320.jpg)
Experiment
- 1. 2-D AFD Applied to Images He Can MB15462
- 2. [fn,a,b]=afd_2d(f,4); Elapsed time is 285.279192 seconds. fn=fft(f,4) figure;mesh(real(fn))
- 3. [fn,a,b]=afd_2d(f,8); Elapsed time is 1128.909871 seconds. fn=fft(f,8); figure;mesh(real(fn))
- 4. Elapsed time is 4513.005270 [fn,a,b]=afd_2d(f,16); seconds. fn=fft(f,16); figure;mesh(real(fn))
- 5. Print master ? Your Text here ? Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat. Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat. ? Duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie consequat, vel illum dolore eu feugiat nulla facilisis at vero eros et accumsan et iusto odio dignissim qui blandit praesent luptatum zzril delenit augue duis dolore te feugait nulla facilisi.
- 6. Print master ? Your Text here ? Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat. Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat. ? Duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie consequat, vel illum dolore eu feugiat nulla facilisis at vero eros et accumsan et iusto odio dignissim qui blandit praesent luptatum zzril delenit augue duis dolore te feugait nulla facilisi.
Editor's Notes
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