Example for CellH5’s relational data representation in HDF5 Event Object Tracking obj_idx1 obj_id obj_idx1 obj_idx2 0 0 42 0 42 85 … 1 1 43 1 43 86 … 2 3 45 2 45 88 Nucleus to Cell obj_idx_1 obj_idx_2 0 1 … 42 43 44 45 … 1 Nucleus time_idx obj_label_idx 0 7 0 8 … 42 1 4 43 1 6 … 85 2 2 86 2 3 … 0 1 3 0 1 42 43 44 45 2 time_idx obj_label_idx 0 0 0 1 … 42 1 0 43 1 1 … 85 2 0 86 2 1 … Center x Cell 0 1 obj_idx2 0 42 42 85 … 140 353 134 347 135 348 136 349 … 4 object object feature object relation region object y 0 1 119 719 33 16 42 43 796 215 35 20 85 86 936 … 55 Object Feature area intensity 0 1 119 719 33 16 42 43 796 215 35 20 85 86 936 55 … 1 A (temporal) object from Event object with obj_id 0 connects two nucleus region objects with indices 0 and 42. 2 The nucleus indices are used to look up the time and and segmentation label indices in the Nucleus dataset and the center positions in the Center object feature dataset. 3 The indices of the nuclei objects are related to the Cell indices with the Nucleus to Cell object relation (in this case one-to-one relation). 4 The cell object indices are used to look up the time and segmenation label indices from the Cell region object. Area and intensity are retrived from Image Feature object feature dataset.
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