Create README.md

README.md

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+This is the Wildtrack dataset.
+
+Annotations:
+Frame annotations are in the folder “annotations_positions”.
+Corresponding images from 7 cameras are in the folder “Image_subsets”.
+
+In order to recover the 3D location of the target, you have to use the following information.
+
+The “positionID” in .json files are indexed on a 480x1440 grid, X-first, with a 2.5cm spacing. The origin is (-3.0,-9.0)
+Therefore,
+
+X = -3.0 + 0.025*ID%480
+Y = -9.0 + 0.025*ID/480
+
+The file “rectangles.pom” gives correspondence between rectangle IDs and 2D bounding boxes on each camera.
+
+This files is needed to run algorithms such as 
+https://github.com/pierrebaque/DeepOcclusion
+
+It can be reproduced using 
+https://github.com/pierrebaque/generatePOMfile
+
+Camera calibrations:
+You will find camera calibrations in the folder “calibrations”.
+“extrinsic” contains extrinsic camera calibrations
+“intrinsic_zero” contains intrinsic calibrations for the images which have been undistorted. These are the ones which should be used for the images provided in this dataset.
+“intrinsic_original” contains calibrations for the original images and the original video, which we can provide if you ask.
+
+If you use this dataset, please cite the paper:
+“The WILDTRACK Multi-Camera Person Dataset.” T.Chavdarova et al.
+
+https://arxiv.org/pdf/1707.09299.pdf
+
+If you need more unlabelled data, please contact us.