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Ultraviolet Photogrammetry

3D model of a uranium glass object exposed to UV light

This article presents the world’s first HDR model of UV photogrammetry in a browser.

Post updated: HDR IIIF

Updated on Wednesday, August 28, 2024

HDR IIIF

HDR images via the IIIF Image API

At Zeitzeug the owner’s wallpaper collection is being sold and I have secured a particularly bright example…

"Lesende" (Reading woman) by Paul Wunderlich (1927-2010)

I’ve found a linocut by Paul Wunderlich (1927–2010) (on artnet)…

Post updated: Computergrafik

Updated on Thursday, July 25, 2024

Post updated: Hildesheimer Börde

Updated on Sunday, July 7, 2024

JavaScript library for HDR

The JavaScript implementation for the last posts is now also available as NPM module.

Post updated: LibUltraHDR

Updated on Saturday, July 6, 2024

TTS for "Briefsteller"

After the Briefsteller blog had existed as a skeleton since the beginning of 2021, I used my summer holiday to bring the sample letter, which brought me to the topic “letter writing guides” in the first place, online

Siedelhof Jena by Curt Mücke (1885-1940)

I found an colourised etching by Curt Mücke (1885-1940)…

Contrast enhancement for UV images using HDR

An old copy book from Northeim as an example of HDR visualisation of UV images

This example is about a practical use case for HDR visualisation in the browser…

LibUltraHDR

After research, it was necessary to explore some possible workflows and to create tools for a project in preparation. Based on Greg Benz’s preliminary work on HDR support, LibUltraHDR was the most sensible candidate for further experimentation.

Sheet by Imao Keinen (1855-1924)

I bought a Japanese colour woodcut by Imao Keinen (1855-1924) (at artnet)…