DIEPF_2026 / README.md
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metadata
license: cc-by-4.0
name: DIEPF 2026  Depth–Image + Extrusion + (Robot) Pose Fusion Dataset
language:
  - en
task_categories:
  - robotics
  - image-classification
  - time-series-forecasting
tags:
  - construction-robotics
  - additive-manufacturing
  - rgbd
  - sensor-fusion
  - kuka
size_categories:
  - 1B<n<10B

DIEPF 2026 – Depth–Image + Extrusion + (Robot) Pose Fusion Dataset for Large-Scale Additive Manufacturing

This repository contains multi-modal recordings for construction-scale additive manufacturing experiments, combining RGB-D imagery with robot kinematics and process signals. The dataset is designed for quality monitoring, defect detection, and dataset generation for learning-based approaches in robotic extrusion processes.

Hardware & setup

  • Robot: KUKA KR210 R3100 with KRC4 controller
  • Camera: Intel RealSense D405 (short-range RGB-D), eye-in-hand on robot flange, viewing the nozzle at a fixed angle
  • Robot telemetry: streamed via KUKA variables (OpenShowVar / VAR proxy), including joint axes and additional process variables (e.g., extruder RPM and override)

What’s inside

The dataset is organized as one .tar archive per recording session.

Recording archives (download sizes)

The dataset is provided as one TAR archive per recording session (stored via Git LFS).

Total size (all sessions): ~7.9 GB

Session Archive Size
001 260109_Recording_001.tar 82.2 MB
002 260109_Recording_002.tar 84.1 MB
003 260109_Recording_003.tar 1.59 GB
004 260109_Recording_004.tar 656 MB
005 260109_Recording_005.tar 596 MB
006 260109_Recording_006.tar 467 MB
007 260109_Recording_007.tar 700 MB
008 260109_Recording_008.tar 2.05 GB
009 260109_Recording_009.tar 2.23 GB

Archive size scales with recording duration and camera FPS. Larger sessions typically contain longer continuous runs.

Data format notes

Image rotation

The RGB-D camera is mounted eye-in-hand; images may be rotated (e.g., 180°) before saving to match a consistent orientation. Applied rotation should be documented in per-session metadata.

Example: download and extract one session (Python)

from huggingface_hub import hf_hub_download
import tarfile
from pathlib import Path

repo_id = "ICoM-RWTH/DIEPF_2026"
filename = "recordings/260109_Recording_001.tar"

tar_path = hf_hub_download(repo_id=repo_id, repo_type="dataset", filename=filename)
out_dir = Path("extracted/260109_Recording_001")
out_dir.mkdir(parents=True, exist_ok=True)

with tarfile.open(tar_path, "r") as tar:
    tar.extractall(out_dir)

print("Extracted to:", out_dir)

Add this (citation)

## Citation

```bibtex
@dataset{diepf2026,
  title     = {DIEPF 2026: Depth--Image + Extrusion + Robot Pose Fusion Dataset for Large-Scale Additive Manufacturing},
  author    = {Benz, Hendrik and Nguyen Trong, The Vinh},
  year      = {2026},
  publisher = {Hugging Face},
  url       = {https://huggingface.co/datasets/ICoM-RWTH/DIEPF_2026}
}