Timeline for How to choose between taking the real part or the absolute value of an inverse discrete Fourier transform?
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jun 21, 2022 at 22:16 | comment | added | Peter K.♦ | Welcome to SE.SP! You’re correct. Remember, however, that images are non-negative: the pixels are usually between 0 and 255. While it’s possible that the low pass filter application in the OP can generate negative pixel values, mostly just taking the real part will suffice. | |
| Jun 21, 2022 at 15:55 | review | Late answers | |||
| Jun 21, 2022 at 16:23 | |||||
| S Jun 21, 2022 at 15:38 | review | First answers | |||
| Jun 21, 2022 at 16:34 | |||||
| S Jun 21, 2022 at 15:38 | history | answered | FabB | CC BY-SA 4.0 |