bbox_xy - bounding box written in the XY format: [top_left_x, top_left_y, bottom_right_x, bottom_right_y].
bbox_wh - bounding box written in the WH format: [center_x, center_y, width, height].
bboxes_xy - array of bounding boxes written in the XY format.
bboxes_wh - array of bounding boxes written in the WH format.
gbox_xy - ground truth bounding box written in the XY format.
gbox_wh - ground truth bounding box written in the WH format.
gboxes_xy - array of ground truth bounding boxes written in the XY format.
gboxes_wh - array of ground truth bounding boxes written in the WH format.
offset - vector of difference between ground truth and default bounding box.
offsets - array of the such differences.
dbox_xy - default bounding box in the XY format.
dbox_wh - default bounding box in the WH format.
dboxes_xy - array of default bounding boxes in the XY format.
dboxes_wh - array of default bounding boxes in the WH format.