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cy0307/
b-nerf-from-scratch

Name: b-nerf-from-scratch
Availability: InStock

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NeRF from scratch (tiny_nerf) 🚧 not trained yet

Train a NeRF from scratch — runs on the GPU in minutes (too slow to CPU-train here).

Status — documented recipe (placeholder). A production-grade pipeline from Ropedia Academy for an advanced, GPU-heavy task. Everything below — base model, objective, dataset, config, the exact evaluation — is specified; the weights / metrics / figures land here automatically when you run the notebook on a GPU (one click below). Try the trained models live in the Ropedia demos Space.

At a glance


Base model	From scratch
Task	neural radiance field
Training objective	Volume-rendering photometric loss through a positional-encoded MLP.
Track	B · 3D & rendering
Built on	self-contained PyTorch (bmild tiny_nerf data)
Notebook	Open In Colab
Compute / storage / time	GPU required — see the Compute · storage · time table in the notebook

Dataset

Source: tiny_nerf (bmild) — a single Lego scene (106 views).

Training config

GPU-scale — the notebook ships a demo profile (free Colab T4) and a full profile, with an exact Compute · storage · time table. Hyperparameters (optimizer, steps, batch, LoRA rank, …) are in the training cell.

Evaluation results

⏳ Pending — run the notebook on a GPU to fill this in. This lab reports PSNR (held-out views) on a held-out split (see its Evaluate cell).

Inference example

No weights are published yet. After a GPU run, load the checkpoint/adapter the notebook saves (it also has a ready inference cell). Base model: From scratch.

How to fill this repo

Open the notebook in Colab → Runtime → GPU → Run all (runs the real pipeline).
Run its Publish to the Hugging Face Hub step (or HfApi().upload_folder(...)) — the checkpoint + metrics.json + figures replace this placeholder.

Train / run on a GPU · [ ] upload weights · [ ] add metrics.json · [ ] add figures · [ ] swap in the real results card

Limitations

Not yet trained — no numbers to report. The pipeline is GPU-heavy (see the compute table); on free Colab use the demo-scale settings. This is an educational, reproducible recipe, not a tuned production release.

License

Code: MIT (this repository). The base model (self-contained PyTorch (bmild tiny_nerf data)) and dataset are each under their own licenses — check the upstream source before redistribution.

Citation

bibtex

@misc{ropedia_academy,
  title  = {Ropedia Academy: an interactive course on embodied & spatial AI},
  author = {Ropedia Academy},
  year   = {2026},
  howpublished = {\url{https://chaoyue0307.github.io/ropedia-academy/}}
}

Method / original work: Mildenhall et al., NeRF, ECCV 2020.

Related assets

🚀 Live demos: https://huggingface.co/spaces/cy0307/ropedia-demos
🤗 All models + collection: https://huggingface.co/cy0307
📚 Course & all labs: https://chaoyue0307.github.io/ropedia-academy/ · Labs tab
💻 Source / notebooks: github.com/ChaoYue0307/ropedia-academy
🔗 Relates to tracks: D

Documented placeholder in the Ropedia Academy collection — train it on a GPU to publish the real model. Contributions welcome on GitHub.

cy0307/b-nerf-from-scratch