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What's an image made of?
There are many correct answers.
But the most fascinating one is: << sines & cosines >>
Read on if you're intrigued👇🧵🪡
#python #images #fourier
There are many correct answers.
But the most fascinating one is: << sines & cosines >>
Read on if you're intrigued👇🧵🪡
#python #images #fourier
*Any* image can be reconstructed from a series of sinusoidal gratings.
A sinusoidal grating looks like this…
#sinusoidal #grating
A sinusoidal grating looks like this…
#sinusoidal #grating
It’s called a sinusoidal grating because the grayscale values vary according to the sine function.
If you plot the values along a horizontal line of the grating, you’ll get a plot of a sine function
If you plot the values along a horizontal line of the grating, you’ll get a plot of a sine function
