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AverageChannels_121


Module: FoundationLite

Creates a monochromatic image by averaging the input image channels.

Applications

Conversion to mono which is more consistent with human perception (our eyes are more sensitive to green).
Name Type Description
Input value inImage Image Input image
Input value inRoi Region* Range of pixels to be processed
Output value outImage Image Output image

Requirements

For input inImage only pixel formats are supported: 3⨯uint8, 3⨯int8, 3⨯uint16, 3⨯int16, 3⨯int32, 3⨯real.

Read more about pixel formats in Image documentation.

Description

The operation computes the monochromatic average of inImage color channels. Average being computed at each pixel is a mean with weight (1, 2, 1).

Hardware Acceleration

This operation is optimized for SSSE3 technology for pixels of type: 3xUINT8.

This operation is optimized for AVX2 technology for pixels of type: 3xUINT8.

This operation is optimized for NEON technology for pixels of type: 3xUINT8.

This operation supports automatic parallelization for multicore and multiprocessor systems.

Errors

This filter can throw an exception to report error. Read how to deal with errors in Error Handling.

List of possible exceptions:

Error type Description
DomainError Region exceeds an input image in AverageChannels_121.
DomainError Not supported inImage pixel format in AverageChannels_121. Supported formats: 3xUInt8, 3xInt8, 3xUInt16, 3xInt16, 3xInt32, 3xReal.

Complexity Level

This filter is available on Basic Complexity Level.

See Also

  • AverageChannels – Creates a monochromatic image by averaging the input image channels.