instant-meshes
apriltag
instant-meshes | apriltag | |
---|---|---|
47 | 8 | |
4,772 | 1,401 | |
- | 1.9% | |
0.0 | 8.7 | |
over 2 years ago | 8 days ago | |
C++ | C | |
GNU General Public License v3.0 or later | GNU General Public License v3.0 or later |
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instant-meshes
- Does anyone know any free retopology addons? At the moment I can't buy any addons that are for sale since I'm just a student of 3D.
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How to convert triangles to quads?
there’s a free Windows program called instant meshes that’ll do it.
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Need Help Reducing Face count and keeping Details/shape
It sounds like you want better automatic retopology methods. There's Instant Meshes, which is decent, and Retopoflow, which is very good, but not automatic and not free. There's nothing that's fully automatic that's completely satisfactory, though.
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Boar Skull using Metashape. The high density output is astonishing, the ongoing retopo is a living hell
Maybe checkout Instant Meshes for retopo?
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I started my journey away from Windows with Pop back in May 2020 (last screenshot) and switched to Arch after 6 months to get more familiar with Linux. Faced challenges and learned a lot. Now, as a professional 3D artist, I return to Pop OS for stability—full circle after 3 years!
There are other useful things available on Linux too— I use Substance 3D Painter from Steam for texturing, Krita for concept art and retouching, and this neat little tool for retopology. Again, nothing you can't get on Windows too, but it's so you know what you count with. You get a stable and reliable OS, full desktop customization to make it fit your own workflow, and a cool community in exchange. Whether that much is worth the tradeoffs depends on you.
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The Qlone app is updated and significantly better now at creating 3D models of faces! Take a look!
Exactly. Run it through https://github.com/wjakob/instant-meshes then extract a normal map.
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Is there a way to compress a file even more?
To be quite frank, you haven't really given quite enough context at all, but going out on a limb here the most common culprit of 3d files being too big is that they have an unreasonable amount of polygons. you can fix this by using the remesh tool/modifier (which will likely require some smoothing in the sculpt tab afterward) or using the decimate modifier. additionally if you're willing to use a secondary program, you could try a re-topology program such as instant mesh which is free, small, and the most clean & efficient at what it does, but if you aren't going to be doing 3d work often, its not necessary. After your poly count is low enough, export it as an OBJ or FBX file, and you should be good to go.
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What is the best/fastest way to retopologize? We were showed doing it with the quad tool but I've worked on it for the last 9 hours and it is tideous, slow and looks like garbage (at least when I am doing it)
I’d switch to zbrush for this and project this mesh onto an already topology-correct one. If you don’t want/can’t use zbrush, and you’re out of options you might as well just give instant-meshes a try as it’s a free tool. I had somewhat successful results https://github.com/wjakob/instant-meshes
- do you guys recommend me to retopologize?
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700k tris to 60k. Any lower and I lose detail. Any advice on going lower or is this just as good as it gets for a model with this much detail?
Instant meshes (https://github.com/wjakob/instant-meshes) is a free software that is very good at remeshing while preserving details
apriltag
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AprilTags
Now I know why. The blog post about the GM1 release says this: "The 2023-2024 CENTERSTAGE℠ field will contain AprilTag targets, developed by researchers at the University of Michigan to provide low overhead, high accuracy localization for applications such as robotics."
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How can I count the number of stripes to identify an object?
There are solutions available to identify tags like this, only with more bits of data. One example is April tags: description, Github.
- April Tag for Movie Prop scanning
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[help] looking for a simple way to scan a torso to build a mannequin
You can generate April tags (https://april.eecs.umich.edu/software/apriltag) and print them on letter address labels, and place those on your subject’s skin. Measure the distance between them. Then, in reality capture (www.capturingreality.com) you use “detect markers” to automatically identify those April tags, and “define distance” to input the precise distance between them. Click “update” in alignment to correct the scaling, and ta-da! - you’ve got a scaled model.
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Retroreflective tape phasing out
I haven't seen anyone post about this yet, so I thought I'd share. From the blog, FIRST will be phasing out of retroreflective tape for vision tracking in the 2023 season. The field will have both retroreflective tape and Apriltags
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Simple pattern detection and reconition
Just use this - good enough for NASA, compiles on basically anything, and small enough codebase to tinker.
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Evaluate CPU requirement for C++ program
FYI: my program is pretty similar to this example: https://github.com/AprilRobotics/apriltag/blob/master/example/opencv_demo.cc
What are some alternatives?
instant-ngp - Instant neural graphics primitives: lightning fast NeRF and more
stag - STag: A Stable Fiducial Marker System
retopoflow - A suite of retopology tools for Blender
isaac_ros_apriltag - Hardware-accelerated Apriltag detection and pose estimation.
meshlab - The open source mesh processing system
PythonRobotics - Python sample codes for robotics algorithms.
jremesh-tools - Blender addon for quad remeshing
johnny-five - JavaScript Robotics and IoT programming framework, developed at Bocoup.
fSpy - A cross platform app for quick and easy still image camera matching
sra-board-component - ESP-IDF component for SRA Board
bevy - A refreshingly simple data-driven game engine built in Rust
mujoco - Multi-Joint dynamics with Contact. A general purpose physics simulator.