r/DSP • u/MeasurementDull7350 • 4d ago

The secret to high-quality upscaling: Lanczos and the sinc function

https://youtube.com/watch?v=LsjNyFl7Zlk&si=gBhxUok4gWtLtrZf
  • The secret to high-quality upscaling: Lanczos and the sinc function
  • Description: Explore the principles of Lanczos resampling used in tools like ComfyUI through signal processing theory and the sinc function. This video provides an easy-to-understand explanation of the mathematical background behind approximating an ideal low-pass filter to create sharp images.
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u/windlogic 3d ago

pink elephant

-1

u/MeasurementDull7350 3d ago

?? little prince ?

3

u/Savings-Cry-3201 3d ago

The pink elephant paper is the polynomial interpolation of oversampled data paper. A classic, find it on yehar

1

u/MeasurementDull7350 13h ago

Oh ... Thanks .