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@toxi@mastodon.thi.ng
2026-02-16 09:42:04

Made new test prints on some off-cuts, using a slightly stronger developer solution than usual to see impact on max. depth. The main image (Eagle Creek, Oregon) is using 18% sodium acetate (curve corrected negative), the test strips are of 20% and 15% solutions (both uncorrected). The phone capture doesn't really show the differences too well, but I think I will go for the 18-20% from now on...
(Btw. The original image is here:

iPhone photo of 3 printed pieces of paper on a table., the largest showing a kallitype print of a moody scene of a mountain creak flowing through a wintry forest canyon. Below the main image are two smaller test strips showing gradients and checkerboard patterns (partially cut off)
@toxi@mastodon.thi.ng
2026-01-16 11:27:56

New #ThingUmbrella example to create a parametric, grid layout-based calibration sheet for black and white photography development. The sheet includes different swatches and gradients to measure results/responses of different exposure times and developer solutions/processes. The sheet also includes a placeholder for a custom test image to be added later...
All sheet components are pa…

Generated grayscale calibration sheet as discussed in the post. The top part of the image has three rows of grayscale swatches in different gradations, followed by a row of opposing grayscale gradients with 10% markings. Below is a column of two radial gradients: the first one white to black, the other inverted, both with 10% markings (as hemi-arcs). On the right, four bands of vertical gradients, each with a superimposed low contrast checkerboard pattern. The remaining space is reserved for an…
@toxi@mastodon.thi.ng
2025-12-14 09:16:17

A silent scenery in four acts...
(Selenium-toned[1] 4x6 salt print (still in final wash) plus previous work-in-progress stages... see alt text for details)
The picture/motif itself is one of my personal favorites and was taken 4 years ago in the Alpstein massif, when clouds were spontaneously forming around us, creating a wonderful light/scene/drama and a dear memory... now also as print which likely will/can outlast myself
[1] The tones will become more neutral once dry...…

Photo of a photo: A sepia tinted monochromatic salt print in a photo tray water bath during the final stage of the development process. The photo emulsion was hand painted on the paper with a brush and has some fuzzy edges in the bottom half (likely from removing the masking tape a little too early) The subject photo shows a romantic multi-layered mountain scene with towering rock faces quickly being engulfed by clouds forming around them, further down smooth grassy meadows and groups of swi…
Darkroom view of the same photo in another tray during development. The red light makes the contrast of the image appear more strong...
Another darkroom view of the same photo, taken just a few moments before the previous image. Here showing the undeveloped print as it looks just after UV exposure. Only the darkest parts of the image are somewhat recognizable already.
Top-down desk view of the negative laid atop the already masked off (but otherwise unprepared) paper. Some earlier exposure time test strips and images are scattered around...
@pbloem@sigmoid.social
2026-02-13 13:36:00

New preprint!
Predicting integers from continuous parameters
arxiv.org/abs/2602.10751
We study the problem of integer distributions that have continuous parameters. This is important for distributions that are tuned by backpropagation, like those that sit at the top of neural networ…

A colorful line plot. The horizontal axis is labeled mu, and the vertical axis log of gamma raised to the f plus gamma raised to the c. It shows that this quantity (the penalty term) goes to zero at the integers and get high the further mu is from integer values.
A diagram explaining how the expected value of the Dalap distribution can be computed from its paramters gamma and mu.
Test set results on various tabular datasets, showing that Dalap gets good performance in bits.
Image generation results for Dalap, Dlogistic and Bitwise using an autoregressive pixel model. Dalap is shown to be competitive with the baseline (Dlogistic), while Bitwise performs poorly.
@blakes7bot@mas.torpidity.net
2026-01-09 19:29:56

Series C, Episode 12 - Death-Watch
TARRANT: I'll risk that.
AVON: He could use the new gun. Dayna?
DAYNA: It's ready. [starts to go but Avon stops her]
AVON: Vila can get it.
DAYNA: It's in the test room, Vila.
blake.torpidity.net/m/312/491 B7B5

Claude Haiku 4.5 describes the image as: "This image appears to be from a science fiction television production, likely from the 1980s based on the styling and set design. The scene takes place on what looks like a spaceship bridge or command center, with distinctive futuristic set pieces visible in the background including geometric panels and atmospheric lighting in yellows and teals. Five actors are present in the scene, engaged in what appears to be a dramatic conversation or confrontation…
@Erikmitk@mastodon.gamedev.place
2026-02-12 14:11:27

@… Das ist doch der perfekte Test für dich!
tech.lgbt/@Natasha_Jay/1160564

Natasha :mastodon: 🇪🇺 (@Natasha_Jay@tech.lgbt)
Attached: 1 image Hats off to whoever took time to create this (and the beautiful whippet!).

@wyri@toot-toot.wyrihaxim.us
2025-12-21 06:43:46

First real test is underway! One of the things running on the cluster is some image conversion and stitching code. This simple #PHP service consumes from #RabbitMQ and then runs all the CPU heavy work in a thread. On the Pi4 it would blow out of memory (8GB) but on the Pi 5 it now has eno…

@blakes7bot@mas.torpidity.net
2025-11-28 13:21:59

Series A, Episode 11 - Bounty
JENNA: It could be an injured pilot.
AVON: It could be a trap.
GAN: It's not a very good one, then. We're suspicious of it already.
AVON: The test is not whether you are suspicious but whether you are caught.
blake.torpidity.net/m/111/65

Claude Sonnet 4.5 describes the image as: "This image captures a scene from the classic British science fiction television series "Blake's 7," which aired from 1978 to 1981. The setting appears to be aboard the Liberator spacecraft, characterized by its distinctive angular, modernist interior design with clean lines and geometric shapes visible in the background. Sally Knyvette portrays Jenna Stannis, a smuggler and pilot who becomes part of the rebel crew. She wears a black outfit adorned wit…