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• API function: Blends the input new background image with the existing image, and replaces the background with the new background by using mask.

• Formulas:

  $$out = bkg * (1 - mask) + src * mask$$

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Each operator has calls. First, aclnnBackgroundReplaceGetWorkspaceSize is called to obtain the input parameters and compute the required workspace size based on the process. Then, aclnnBackgroundReplace is called to perform computation.

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• Parameters

  [object Object]

• Returns:

  [object Object]: status code. For details, see .

  The first-phase API implements input parameter validation. The following error codes may be returned.

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• Parameters

  [object Object]

• Returns:

  [object Object]: status code. For details, see .

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• Deterministic computation:
  • aclnnBackgroundReplace defaults to a deterministic implementation.

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The following example is for reference only. For details, see .