isequal

(Not recommended) Compare twobigimageobjects for equality

Theisequalfunction of thebigimageobject is not recommended. Use theblockedImageobject instead. For more information, seeCompatibility Considerations.

Syntax

tf = isequal(bigimg1,bigimg2)

Description

tf= isequal(bigimg1,bigimg2)returnstrueif big imagesbigimg1andbigimg2have the same spatial referencing, underlying data type, and block size. Pixel values are only compared if the metadata is equal, and the comparison ends early when unequal pixel values are found.isequaldoes not consider file names, masks, and other class properties.

Input Arguments

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`bigimg1`—First big image
`bigimage`object

First big image, specified as abigimageobject.

`bigimg2`—Second big image
`bigimage`object

Second big image, specified as abigimageobject.

Output Arguments

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`tf`— Big images are equal
logical scalar

大的图片bigimg1andbigimg2are equal, returned as a logical scalar.

Data Types:logical

Version History

Introduced in R2019b

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R2021a:`isequal`function is not recommended

Not recommended starting in R2021a

Theisequalfunction of thebigimageobject is not recommended. Use ablockedImageobject instead.TheblockedImageobject offers several advantages including extension to N-D processing, a simpler interface, and custom support for reading and writing nonstandard image formats.

Although there are no plans to remove thebigimageobject and itsisequalat this time, switch to theblockedImageto take advantage of the additional capabilities and flexibility.

isequal

Syntax

Description

Input Arguments

bigimg1—First big imagebigimageobject

bigimg2—Second big imagebigimageobject

Output Arguments

tf— Big images are equallogical scalar

Version History

R2021a:isequalfunction is not recommended

See Also

`bigimg1`—First big image
`bigimage`object

`bigimg2`—Second big image
`bigimage`object

`tf`— Big images are equal
logical scalar

R2021a:`isequal`function is not recommended