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read

(Not recommended) Read image at specified index

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Thereadfunction of theimageSetobject is not recommended. Instead, use animageDatastoreobject and itsreadandreadimagefunctions. For more information, seeCompatibility Considerations.

Syntax

im = read(imgSet,idx)

Description

example

im= read(imgSet,idx)returns an image from the image set,imgSet, located at the indexidx.

Examples

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Open Live Script

Create an image set.

imgFolder = fullfile(matlabroot,'toolbox','vision','visiondata','stopSignImages'); imgSet = imageSet(imgFolder);

Display the fourth image from the set.

imshow(read(imgSet, 4));

Figure contains an axes object. The axes object contains an object of type image.

Input Arguments

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Image set, specified as animageSetobject.

Image location index, specified as a positive integer.

Output Arguments

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Image, returned as a numeric array.

版本历史

Introduced in R2014b

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Not recommended starting in R2016b

See Also

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