Update README.md

README.md

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----
-license: mit
----
+---
+license: mit
+language:
+- en
+tags:
+- urbanMapping
+- 3d
+- pointCloud
+- LiDAR
+pretty_name: Turin3D
+size_categories:
+- 10M<n<100M
+---
+# Turin 3D Dataset
+
+## Description
+
+The Turin 3D dataset is a collection of LiDAR point cloud data acquired within the city of Turin, Italy on January 2022 and collected in LAS 1.4 format. It's designed for use in 3D semantic segmentation tasks.
+This dataset offers a detailed 3D representation of the urban environment, enabling the development and evaluation of semantic segmentation models for urban scenes.
+
+## Purpose
+
+This dataset is intended for researchers and practitioners interested in studying 3D semantic segmentation of urban environments using LiDAR data. It can be used for:
+
+* Development and evaluation of 3D semantic segmentation algorithms.
+* Analysis and understanding of urban scenes.
+* Applications in autonomous vehicles, robotics, and urban planning.
+
+## Dataset Content
+It contains almost 70M points divided among 57 blocks covering around 25k m^2 each. Data is compressed with gzip, you can extract it using
+```
+cat dataset.tar.*.gz.part > dataset.tar.gz
+tar -xvzf dataset.tar.gz
+```
+
+### Class Taxonomy
+
+The dataset utilizes a taxonomy of 6 semantic classes:
+
+0.  Undefined
+1.  Soil
+2.  Terrain
+3.  Vegetation
+4.  Building
+5.  Street element
+6.  Water
+
+### Dataset Splits
+
+* **Train:** Provided with soft labels (class probabilities).
+* **Validation:** Precise annotations (hard labels) for model evaluation.
+* **Test:** Precise annotations (hard labels) for final model evaluation.
+
+
+### Annotation
+
+* **Train:** Annotations generated automatically using deep learning models, providing soft labels.
+* **Validation and Test:** Manual annotations.
+
+
+## Dataset Card Authors
+
+Luca Barco, Giacomo Blanco, Gaetano Chiriaco, Fabrizio Dominici
+
+## Dataset Card Contact
+
+luca.barco@linksfoundation.com, giacomo.blanco@linksfoundation.com, gaetano.chiriaco@linksfoundation.com, fabrizio.dominici@linksfoundation.com