HDR Image Formats (IV): ISO 21496-1 the Unified Gainmap

Say goodbye to messy proprietary formats — ISO 21496-1 brings a unified specification for Gainmap HDR images

2025.08.30

A Quick Analysis of the X2D II 100C File Format

Finished the UltraHDR article yesterday, only to have the X2D II release today and use it.

2025.08.26

HDR Image Formats (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 Formats (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

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

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 Articles

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

2025.08.04

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
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