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Showing content from https://docs.nvidia.com/deeplearning/dali/user-guide/docs/operations/nvidia.dali.fn.water.html below:

nvidia.dali.fn.water — NVIDIA DALI

nvidia.dali.fn.water(__input, /, *, ampl_x=10.0, ampl_y=10.0, bytes_per_sample_hint=[0], fill_value=0.0, freq_x=0.049087, freq_y=0.049087, interp_type=DALIInterpType.INTERP_NN, mask=1, phase_x=0.0, phase_y=0.0, preserve=False, device=None, name=None)#

Performs a water augmentation, which makes the image appear to be underwater.

Supported backends

• ‘cpu’

• ‘gpu’

Parameters:

__input¶ (TensorList ('HWC')) – Input to the operator.

Keyword Arguments:

• ampl_x¶ (float, optional, default = 10.0) – Amplitude of the wave in the x direction.

• ampl_y¶ (float, optional, default = 10.0) – Amplitude of the wave in the y direction.

• bytes_per_sample_hint¶ (int or list of int, optional, default = [0]) –

  Output size hint, in bytes per sample.

  If specified, the operator’s outputs residing in GPU or page-locked host memory will be preallocated to accommodate a batch of samples of this size.

• fill_value¶ (float, optional, default = 0.0) – Color value that is used for padding.

• freq_x¶ (float, optional, default = 0.049087) – Frequency of the wave in the x direction.

• freq_y¶ (float, optional, default = 0.049087) – Frequence of the wave in the y direction.

• interp_type¶ (nvidia.dali.types.DALIInterpType, optional, default = DALIInterpType.INTERP_NN) – Type of interpolation used.

• mask¶ (int or TensorList of int, optional, default = 1) –

  Determines whether to apply this augmentation to the input image.

  Here are the values:

  • 0: Do not apply this transformation.

  • 1: Apply this transformation.

• phase_x¶ (float, optional, default = 0.0) – Phase of the wave in the x direction.

• phase_y¶ (float, optional, default = 0.0) – Phase of the wave in the y direction.

• preserve¶ (bool, optional, default = False) – Prevents the operator from being removed from the graph even if its outputs are not used.

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