# How (and why) to take a logarithm of an image

> 全文为英语

**Published:** 2026年10月14日
**Author:** 3Blue1Brown
**Source:** YouTube — Andrej Karpathy
**Language:** en-US
**HTML:** https://aiqazaqstan.com/zh/articles/how-and-why-to-take-a-logarithm-of-an-image

[Submit subtitle corrections at criblate.com] Whenever I'm making one of these videos, there's sometimes a special moment where the act of animating involves solving a whole bunch of little technical puzzlers, and then the underlying math I'm trying to explain clicks for me in a…

> 内容来自原始来源： **YouTube — Andrej Karpathy**
> [在 YouTube — Andrej Karpathy 阅读全文](https://www.youtube.com/watch?v=ldxFjLJ3rVY)

**标签：** #YouTube

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