---
title: "Sir, there's a cat in your mirror dimension"
url: https://daily.dev/posts/sir-there-s-a-cat-in-your-mirror-dimension-soyzacwno
source_url: https://lcamtuf.substack.com/p/sir-theres-a-cat-in-your-mirror-dimension
type: article
source: "Lobsters"
published: 2024-05-15T13:20:55.435Z
updated: 2024-05-15T13:20:53.551Z
tags: ["math", "image-processing"]
reading_time: 3
upvotes: 1
comments: 0
language: en
---

> ## Documentation Index
> Fetch the complete documentation index at: https://daily.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# Sir, there's a cat in your mirror dimension

**[Lobsters](https://daily.dev/sources/lobsters)** · 3 min read · 1 upvotes · 0 comments

## Summary

The article discusses the frequency domain transform and its reversibility, the use of the discrete cosine transform in compositing images, and the impact of lossy compression on images.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://lcamtuf.substack.com/p/sir-theres-a-cat-in-your-mirror-dimension>

## Similar posts on daily.dev

- [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 0 upvotes · 0 comments
- [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments
- [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments

---

Tags: [#math](https://daily.dev/tags/math), [#image-processing](https://daily.dev/tags/image-processing)

[View this post on daily.dev](https://daily.dev/posts/sir-there-s-a-cat-in-your-mirror-dimension-soyzacwno)