---
license: cc-by-4.0
task_categories:
  - image-to-image
tags:
  - webdataset
  - intrinsic-image-decomposition
  - material-estimation
  - multi-view
  - multi-light
---

# ABO material-intrinsics WebDataset

Preliminary publication smoke for the IDArb-compatible Amazon Berkeley Objects material-render
conversion. The smoke shard contains 10 complete objects with 91 views and three environment
lights per object.

Each tar member is one compressed NPZ containing `rgb`, `albedo`, `roughness`, `metallic`,
`normal`, `mask`, `depth`, and `meta_json`. Source-specific material channels, camera conventions,
normal axes, masks, and background compositing are normalized during conversion.

Source: [Amazon Berkeley Objects](https://amazon-berkeley-objects.s3.us-east-1.amazonaws.com/index.html).
ABO is licensed under CC BY 4.0. Credit for the data must be given to Amazon.com; cite the ABO
CVPR 2022 paper when using it.

Production publication is in progress. Root `shard-*.tar` files contain exactly 500 unique objects
except the final source remainder; matching provenance and SHA-256 records live under
`manifests/`. `smoke/shard-000000.tar` remains the independently verified validation artifact.