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Why the scale of the frequency axis differs in the paper #3

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zyxue opened this issue Apr 4, 2024 · 0 comments
Open

Why the scale of the frequency axis differs in the paper #3

zyxue opened this issue Apr 4, 2024 · 0 comments

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@zyxue
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zyxue commented Apr 4, 2024

Thanks for the implementation! It helps me understand the paper better. I have two paper related questions, please.

Q1, for the plots of Log intensity vs Frequency, do you know why the range of frequency (X axis) differs from plot to plot, e.g.

image

from Figure 1 has a frequency range of 0 to 120, but

image

from Figure 2 has a frequency range of 0 to 30.

Screenshots are from http://www.houxiaodi.com/assets/papers/cvpr07.pdf.

Q2, intensity means the same thing as magnitude or amplitude obtained after the Fourier transformation, right?

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