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🏡 JacksBlog is a place for sharing life, thoughts, and technical articles.

  • Here you may find content about photography, color science, and more.
  • The homepage displays a collection of Posts 🌳 and Photos 📷, which may seem a bit scattered. Please click the respective sections for more.
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HDR Image Formats Explained (III): UltraHDR and MPF

A backwards-compatible HDR image scheme based on dual-layer JPEG and Gainmap, now widely adopted

2025.08.26

HDR Image Format Analysis (II): JPEG and Its Modifications

A deep dive into the structure of JPEG and the modifications made to support new features

2025.08.24

Using LLMs for Colour Science: Best Practices and Test Questions

Sharing tips for collaborating with general-purpose LLMs in this field, and tests.

2025.08.21

Decoding HDR Image Formats (I): Basic Concepts of Gainmap

Achieving HDR while ensuring excellent backward compatibility by packaging SDR and HDR images within a single file.

2025.08.19

Understanding CAT16: Why Are Two Steps Needed to Ensure Reversibility?

Details in colour adaptation models similar to CAT16: one forward and one reverse, achieving reversibility and transference

2025.08.07

📷 July Collection

(25 Images) Sunsets, Fiery Clouds, Rainbows, and Cats

2025.08.05

Add a Little Gadget, and Talk About How I Update My Articles

Using a badge to roughly show visitor count, and my general process for updating blog posts

2025.08.04

Beyond Visual Appraisal: Objective Test Procedures for Sony Camera Displays

A small, practical method for testing the internal screen of Sony cameras and a hands-on example.

2025.08.01

Changing Domains and Random Thoughts About Personal Blog

Like mayflies in the universe, insignificant as a grain in vast sea

2025.07.24

How to Completely Remove a File from Git History

To be honest, I do this so often myself that I had to write something as a reminder (and for my own future reference).

2025.06.29
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