Posts 🌳

This is where technical articles and notes are stored.

Mostly about colour science, with some code and other miscellaneous things.

Technology evolves with each passing day, knowledge renews without cease;

No single voice can offer perfect truth. Seek independently, and verify with care.

HDR Image Formats Explained (V): Understanding Headroom in Gainmap

A seemingly redundant parameter: The role and correct writing method of Alternate HDR Headroom in the ISO 21496-1 standard

Assembling DNG To Get Day0 Support For New Cameras

Use LibRAW to break down RAW components, then manually piece together a usable DNG file with PiDNG.

A New Python AVIF Encoding Option: ImageCodecs

(Flash news) ImageCodecs now supports colour space and transfer function parameters.

(Temp) CIC 33 Paper Demonstration

Visual Matching Experiment and Tone Mapping based on CAM16-UCS

Geekon Monitor Unboxing: High-end Aspirations, Workshop Reality

A bold attempt at a super-high-spec product from a mysterious little workshop, only to suspect I’ve bought a monitor that has passed through eighteen hands.

Solving WSL2 Installation Failure Caused by 'Invisible' Hyper-V

Notes in installation of WSL2 for Codex, unknown issue about Hyper-V

Decoding an Adaptive HDR Tone Mapping Algorithm

Breaking down an innovative tone mapping algorithm and exploring how it balances luminance compression with detail preservation.

My Zotero: Configuration and Core Plugins

A guide to my Zotero setup, focusing on ‘simplicity’ and ’efficiency’ with plugins

MacAdam's Optimal Colours: The Boundary of Physical Colours

A mathematical proof: what does the reflectance of a ‘perfect pigment’ look like?

HDR Image Formats Explained (IV): ISO 21496-1 — the unified Gainmap standard

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