Nice, but I'm going to need some ND filters :)
Readit Newsggambetta commented on Exposure Simulator andersenimages.com/tutori... · Posted by u/sneela
ggambetta commented on Understanding Neural Network, Visually visualrambling.space/neur... · Posted by u/surprisetalk
Great explanation, but the last question is quite simple. You determine the weights via brute force. Simply running a large amount of data where you have the input as well as the correct output (handwriting to text in this case).
"Brute force" would be trying random weights and keeping the best performing model. Backpropagation is compute-intensive but I wouldn't call it "brute force".
ggambetta commented on Implementing a tiny CPU rasterizer (2024) lisyarus.github.io/blog/p... · Posted by u/PaulHoule
This is a great resource. Some others along the same lines:
TinyRenderer: https://haqr.eu/tinyrenderer/
ScratchAPixel: https://www.scratchapixel.com/index.html
3D Computer Graphics Programming by Pikuma (paid): https://pikuma.com/courses/learn-3d-computer-graphics-progra...
Ray-tracing:
Ray Tracing in One Weekend: https://raytracing.github.io/
Ray Tracing Gems: https://www.realtimerendering.com/raytracinggems/
Physically Based Rendering, 4th Edition: https://pbr-book.org/
Both:
Computer Graphics from Scratch: https://gabrielgambetta.com/computer-graphics-from-scratch/
I'll also link a comment[1] I made a while back about learning 3D graphics. There's no better teacher than manually implementing the rasterisation and ray-tracing pipelines.
May I add Computer Graphics From Scratch, which covers both rasterization and raytracing? https://gabrielgambetta.com/computer-graphics-from-scratch/i...
I have to admit I'm quite surprised by how eerily similar this website feels to my book. The chapter structure, the sequencing of the concepts, the examples and diagrams, even the "why" section (mine https://gabrielgambetta.com/computer-graphics-from-scratch/0... - theirs https://lisyarus.github.io/blog/posts/implementing-a-tiny-cp...)
I don't know what to make of this. Maybe there's nothing to it. But I feel uneasy :(
ggambetta commented on Dithering – Part 2: The Ordered Dithering visualrambling.space/dith... · Posted by u/ChrisArchitect
I used ordered dithering in my ZX Spectrum raytracer (https://gabrielgambetta.com/zx-raytracer.html#fourth-iterati...). In this case it's applied to a color image, but since every 8x8-pixel block can only have one of two colors (one of these fun limitations of the Spectrum), it's effectively monochrome dithering.
https://gabrielgambetta.com - home of Computer Graphics from Scratch, the Client-Side Prediction & Server Reconciliation series, and some more misc things.
ggambetta commented on Incremental Backups of Gmail Takeouts baecher.dev/stdout/increm... · Posted by u/pbhn
I'm really hoping you're wrong about the removed APIs as I recently tried doing a takeout and about 1/3rd of every album I checked was missing. Was really hoping I could find another tool to get my photos downloaded and moved out/backed up.
Pretty sure they're gone, that's why gphotos-sync and the like have stopped working (https://github.com/gilesknap/gphotos-sync-discussion/discuss...)
ggambetta commented on Incremental Backups of Gmail Takeouts baecher.dev/stdout/increm... · Posted by u/pbhn
Serious question: have you ever needed an email from even 5 years ago?
I only save financial statements and contact information. Everything else gets deleted as soon as possible.
I switched to Gmail in 2007 or so. I used to have a gzipped mbox of my previous emails, dating back to maybe 1996 or 1997 when I got my first email account. This file was lost at some point, and I'm really sad about it. In some ways, it's like losing years and years of a journal, conversations I had with people, how I thought about the world at that age, etc. It's a huge loss to me.
About OP's tool, I also back up my Google account to an external disk periodically. Gmail is ~8 GB so it's manageable. But Google Photos is a pain. They recently removed most of the useful APIs, so AFAIK the only way to backup is via Takeout. It's terrible. Pictures in multiple albums are included as copies every time, so I had to make a script to find duplicates and replace them with symlinks. Just downloading the whole thing is a PITA (multiple 50 GB zip files). I get that Google has little incentive to make this better, in fact they might have an incentive to make it as inconvenient as possible, but I really wish they made it easier.
ggambetta commented on Learn computer graphics from scratch and for free scratchapixel.com... · Posted by u/theusus
One of my goals this year is to write a basic software 3D renderer from first principles. No game engine, no GPU. I'm looking forward to it.
OP's link is a good one, but if you want a different perspective (heh), there's https://gabrielgambetta.com/computer-graphics-from-scratch/i..., also from scratch, also for free. The name clash is unfortunate, I don't really know who started using it earlier :(
I want my 5 Bitcoin back :_(
ggambetta commented on Load ZX Spectrum – first Museum dedicated to our first personal computer loadzx.com/en/... · Posted by u/elvis70