IMAQ Learn Color Pattern VI

LabView NI Vision

IMAQ Learn Color Pattern VI

Owning Palette: Searching and MatchingInstalled With: NI Vision Development Module

Creates a description of the color template image that you are going to look for during the color pattern matching stage. This description data is appended to the input color template image. During the color pattern matching step, the color template descriptor is extracted from the color template image and used to search for the template in the color match image.

Examples

IMAQ Learn Color Pattern

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Image is a reference to the color template image for which you want to search in the inspection image.

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Learn Color Pattern Setup Data is a string that contains information obtained from IMAQ Setup Learn Color Pattern VI. If this input is not connected, the VI uses default parameters during the learning phase. The default learns color and shape for shift-invariant pattern matching.

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error in (no error) describes the error status before this VI or function runs. The default is no error. If an error occurred before this VI or function runs, the VI or function passes the error in value to error out. This VI or function runs normally only if no error occurred before this VI or function runs. If an error occurs while this VI or function runs, it runs normally and sets its own error status in error out. Use the Simple Error Handler or General Error Handler VIs to display the description of the error code. Use error in and error out to check errors and to specify execution order by wiring error out from one node to error in of the next node.

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status is TRUE (X) if an error occurred before this VI or function ran or FALSE (checkmark) to indicate a warning or that no error occurred before this VI or function ran. The default is FALSE.

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code is the error or warning code. If status is TRUE, code is a nonzero error code. If status is FALSE, code is 0 or a warning code.

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source describes the origin of the error or warning and is, in most cases, the name of the VI or function that produced the error or warning. The default is an empty string.

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Template Image Out is a reference to the color template for which you want to search during the matching phase. The template image contains the data that defines the color template pattern for the matching stage.

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error out contains error information. If error in indicates that an error occurred before this VI or function ran, error out contains the same error information. Otherwise, it describes the error status that this VI or function produces. Right-click the error out indicator on the front panel and select Explain Error from the shortcut menu for more information about the error.

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status is TRUE (X) if an error occurred or FALSE (checkmark) to indicate a warning or that no error occurred.

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code is the error or warning code. If status is TRUE, code is a nonzero error code. If status is FALSE, code is 0 or a warning code.

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source describes the origin of the error or warning and is, in most cases, the name of the VI or function that produced the error or warning. The default is an empty string.

Examples

Refer to the following for an example that uses this VI.

  • LabVIEW\examples\Vision\2. Functions\Color Pattern Matching\Color Pattern Matching Example.llb