INSA soil image dataset

<h2>Camera description</h2> <h3>1 RGB Camera</h3> <p><br>Images of each mixture are captured at a distance of &sim; 40cm from a Luxonis OAK-D Pro RGB camera under artificial (ambient) lighting. The camera hasthe following specifications:<br>&bull; Resolution: 12MP (4056x3040)<br>&bull; Frame rate: 60 FPS<br>&bull; Lens Size: 1/2.3 inch<br>&bull; 3 color channels Red+Green+Blue (RGB)</p> <h3>2 InfraRed Camera</h3> <p>To generate the image data under artificial (ambiant) lighting, an Aerial Map-ping Camera (MAPIR) is used which is a low-cost, high-resolution Near-InfraRed (NIR) camera capable of capturing multiple non-distorted images. Some specifications of the camera include:<br>&bull; Resolution: 4000x3000, JPG (24bit)<br>&bull; Shutter Speed: automatic<br>&bull; Lens: 19mm 87&deg; HFOV, F2.8 Fixed Aperture (Survey3W)<br>&bull; Color channels NIR+Green+Blue (NGB)<br>Distance of cameras from soil: &sim;40cm</p> <h2>Soil description</h2> <p>The dataset contains:<br>&bull; 3 coarse soils: gravel, Hostun sand and Synthetic coarse sand. Different mixtures are realised with gravel/Hostun sand and gravel/Synthetic sand. Images are taken with the RGB camera.<br>&bull; 2 fine soils: Kaolin (white clay) and silt of Dieppe. The soils were mixed with water at different water content values, and images are taken with the RGB and the InfraRed camera.</p> <p>&nbsp;</p> <h2>Acknowledgment</h2> <p><br>The authors thank the Department of Civil Engineering and Urban Planning of INSA Lyon (GCU INSA Lyon) for the donation and preparation of soils.</p> <p>This work was supported by ANR within the joint French-German project RE- MATCH ANR-21-FAI2-0009. We would like to express our sincere appreciation to them for their support.</p> <p>&nbsp;</p>