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Fix nondeterministic behavior in NMS #143

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Fix nondeterministic behavior in NMS #143

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9 changes: 3 additions & 6 deletions tomotwin/modules/inference/locator.py
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Expand Up @@ -76,12 +76,9 @@ def nms(boxes: pd.DataFrame, size: int, nms_threshold=0.6) -> pd.DataFrame:
boxes_i_rep = ones * box_i

ious = Locator._bbox_iou_vec_3d(boxes_i_rep, boxes_data[close_indicis])
iou_mask = np.empty(len(boxes_data), dtype=int)
iou_mask_close = ious > nms_threshold

iou_mask[close_indicis] = iou_mask_close
iou_mask[i] = 0 # ignore current
iou_mask = iou_mask == 1
iou_mask = np.zeros(len(boxes_data), dtype=bool)
iou_mask[close_indicis] = ious > nms_threshold
iou_mask[i] = False

boxes_data[iou_mask, 6] = 0

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