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Figure 4
Partition of the H3D(PC) dataset into training (class colors), validation (yellow box) and test set (grey). Data splits of H3D(Mesh) are identical but organized in tiles. North points to the right

Data sets of each epoch are split into a distinct training, validation and test area for both representations (see Figure above). The splits are congruent in both modalities and in accordance with the mesh tiling. Consequently, the training and validation labels may be used for training, while labels for the test set will be kept sealed.

We would like to encourage researchers to participate in this benchmark by testing their method on H3D. Precisely, if participants intend to take part in the evaluation process, we ask them to submit their predicted labels for the test area as simple ASCII file either for H3D(PC) or H3D(mesh) (columns [X, Y, Z, classification]). For the mesh, XYZ refers to the Centers of Gravity (CoG). The point order of this file needs to be identical with the provided test file. Submissions with deviating point ordering or additional columns will be rejected immediately.

Evaluation is done by comparing results received from participants to the ground truth labels. For this purpose normalized confusion matrix, overall accuracy, F1 scores and mean F1 score will be derived, which will be i) returned to the participants and ii) made publicly available in the context of benchmark ranking on our website results. Participants are also asked to provide contact details and information on their applied methods i.e. by a short description or link to a recent publication of their approach.

We would like to stress that we allow multiple submissions for the same authors only if the approaches are different, i.e. repeated submission of results from the same method with differing parametrization will be refused.

 

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Email: info@ifp.uni-stuttgart.de