Viewing profile — mattdesl
mattdesl
HN member- Joined
- Fri, Mar 28, 2014, 9:42 PM UTC
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- 760 items
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About mattdesl
https://mattdesl.com
Recent public activity
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Comment #48643327
This is super cool, great work. Is there a video or demo of the 3D point cloud "gaussian splat" like experiments?
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Comment #47295771
For those just learning about perceptual colour spaces, I’d recommend exploring OKLab which is simpler to implement and overcomes some of the problems of CIELab. https://bottosson.…
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Comment #47016442
Still going through the article but loving all the detail and interactive components! Nice writeup. PS: worth mentioning the RGB to CMYK function credited to me is not my original …
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Comment #46682391
Nice work, the outputs look ethereal and quite beautiful. For some related work using genetic algorithms and evolution strategies, see[1]. Sketch synthesis is an area I'm pretty in…
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Comment #46215750
Amazing as always, Bruno is a wizard with ThreeJS. There’s a surprising amount of stutter and lag on iOS, evident after the loading bar completes and the app freezes for 30 sec. Al…
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Comment #45369885
A similar thing happens when you search “Canada eTA” — a $7 (required) entry visa the government typically issues instantly. But on Google, several sponsored sites appear above the…
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Comment #45011139
Nice post. OKLCH is quite handy but for writing colors in CSS I hope eventually we’ll get some form of OKHSL/OKHSV[1] so users don’t need to worry about gamut boundaries. [1] https…
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Comment #44890052
A lot of it comes down to which pens you happen to have - I’ve had some success with Sakura gelly rolls for white, and also more recently have been enjoying sharpie creative acryli…
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Comment #44522794
Yes, it's a matmul; many color models just boil down to simple math. For example, look at Li and Luo's 2024 "simple color appearance model"[1], which is very similar to OKLab (just…
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Comment #44521032
Obviously; but this doesn’t suggest that OKLab is not a perceptually uniform color space. There is no “one true” UCS model - all of these are just approximations of various percept…
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Comment #44520092
> Oklab is not perceptually uniform By what metric? If the target is parity with CAM16-UCS, OKLab comes closer than many color spaces also designed to be perceptually uniform.
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Comment #44515623
It does a pretty good job at emulating CAM16 with a fraction of the parameters, computational complexity, and processing; it’s no wonder it was adopted by CSS. I don’t know what yo…
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Comment #44515496
I’ve done some color quantization tests with HyAB and OKLab on this same image. A couple notes: - what works well for this image might not work well for other images! I learned the…
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Comment #44515360
Surely this would be even faster and potentially better with OKLab? Especially in the context of CIELab based distance metrics like CIEDE2000 which are a bit heavy. My own gripe wi…
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Comment #44119430
I think the techniques in “Weight Agnostic Neural Networks” should be applicable here, too. It uses a variant of NEAT I believe. This would allow for learning the topology and wiri…
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Comment #44039236
The full title of the paper is “Questioning Representational Optimism in Deep Learning: The Fractured Entangled Representation Hypothesis.” https://arxiv.org/abs/2505.11581
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Comment #43986222
There's also 'evolutionary strategy' algorithms that do not use the typical mutation and crossover, but instead use a population of candidates (search samples) to basically approxi…
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Comment #43913862
The author is working on a program synthesizer using interaction nets/calculus, which should be released soon. It sounds quite interesting: https://x.com/VictorTaelin/status/190797…
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Comment #43892965
I wonder how well BitNet (ternary weights) would work for this. It seems like a promising way forward for constrained hardware. https://arxiv.org/abs/2310.11453 https://github.com/…
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Comment #43819946
Developing an open source library that simulates pigment mixing in the browser, inspired by mixbox[1]. [1] https://scrtwpns.com/mixbox.pdf
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Comment #43566480
Really like this, nice work! Something to note is that Color Theif (Quantize) is using median cut on RGB, it would be interesting to try and extract dominant color in OKLab instead…
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Comment #43471187
What are the practical implications of this kind of assembly language? Surely there’s more efficient means of describing 2D SDFs? Fun exercise! I’ve been enjoying trying to find so…
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Comment #43445160
> Other than as an exercise, it's not clear why someone would write a massively parallel 2D renderer that needs a GPU. Modern GPUs are overkill for 2D. Now, 3D renderers, we need a…
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