Python v0.4.0a0+62b766a

BBoxPaste

class dragon.vm.dali.ops.BBoxPaste(
  ltrb=True,
  ratio=None,
  paste_x=None,
  paste_y=None,
  **kwargs
)[source]

Transform bounding boxes to match the Paste operator.

Examples:

bbox_paste = dali.ops.BBoxPaste()
paste_pos = dali.ops.Uniform((0., 1.))
paste_ratio = dali.ops.Uniform((0., 3.))
paste_prob = dali.ops.CoinFlip(0.5)

bbox = bbox_paste(
    inputs['bbox'],
    # Expand ratio
    ratio=paste_ratio() * paste_prob() + 1.,
    # PosX, PosY
    paste_x=paste_pos(),
    paste_y=paste_pos(),
)

__new__

static BBoxPaste.__new__(
  cls,
  ltrb=True,
  ratio=None,
  paste_x=None,
  paste_y=None,
  **kwargs
)[source]

Create a BBoxPaste operator.

Parameters:
  • ltrb (bool, optional, default=True) – Indicate the bbox is ltrb or xywh format.
  • ratio (int, optional) – The expand ratio.
  • paste_x (int, optional) – The paste position at x-axis.
  • paste_y (int, optional) – The paste position at y-axis.
Returns:

nvidia.dali.ops.BBoxPaste – The operator.