Fourier Transform in 5 minutes: The Case of the Splotched Van Gogh, Part 3

Equivalent to a 50 minute university lecture on Fourier Transforms. Part 3 of 3.
0:00 - intro
0:20 - sampling a sinusoid
0:37 - aliases and frequencies
1:30 - avoiding aliasing and the Nyquist rate
3:05 - 2D image frequencies
3:32 - 2D image Fourier Transform
5:56 - low-pass filtering and anti-aliasing
6:37 - sinc filter
6:40 - resizing with a low-pass filter
Graphics in 5 minutes is a series of cartoon-style videos that teach computer graphics in 10x less time. You can take the equivalent of a University level computer graphics course in just over two hours. The playlist is here:
• Graphics in 5 minutes ...
See here for more information: g5m.cs.washington.edu/

[@Adhithya2003]

Only after tens of hours of studying can you explain these concepts so succinctly.

[@alevolt1596]

Thank you for your videos, they really take the essence of complex subjects and link it down in small information, with your examples you helped me mapping and connect abstract concepts that were really confusing

[@xxxyyyzzz8909]

Oh my gosh, I just absolutely❤ love your videos. You explain complicated concepts so well. Thank you so much for taking the time to put these together !

[@xXMaDGaMeR]

I love and hate this. It’s so beautifully explained, yet can’t get my head around the concept. Gonna have to come back a few times!

[@anonymous.youtuber]

These videos are beautiful jewels of true insight. 🙏🏻🙏🏻🙏🏻

[@kazimafzal]

I've been bingeing your videos - love the topics that you've covered!!

[@ocamlmail]

Simply fantastic! Thank you!

[@Funzelwicht]

Beautifully explained and done!

[@Venetiajoubertstore]

🎉amazing teacher!!

[@KevinCoffey-fx5ou]

Wow that really helped me finally understand fourier transforms a lot better thanks!

[@ocamlmail]

7:19 you are speaking about lenses if it occurs before matrix(sensor)?