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SelectChannel
Creates an image from a single channel of the input image.
Syntax
C++
C#
void avl::SelectChannel ( const avl::Image& inImage, atl::Optional<const avl::Region&> inRoi, int inChannelIndex, avl::Image& outImage )
Parameters
| Name | Type | Range | Default | Description | |
|---|---|---|---|---|---|
 |
inImage | const Image& | Input image | ||
|
inRoi | Optional<const Region&> | NIL | Range of pixels to be processed | |
|
inChannelIndex | int | 0 - 3 | ||
 |
outImage | Image& | Output image |
Description
The operation extracts the selected color channel of inImage.
Examples
 An example image used as inImage. |
 The resulting outImage when inChannelIndex = 0. |
 The resulting outImage when inChannelIndex = 1. |
 The resulting outImage when inChannelIndex = 2. |
Hardware Acceleration
This operation supports automatic parallelization for multicore and multiprocessor systems.
Errors
| Error type | Description |
|---|---|
| DomainError | Channel index out of range in SelectChannel. |
