MATLAB IMAGE PROCESSING TOOLBOX - RELEASE NOTES Guide de l'utilisateur télécharger pdf (Page 64)

R2011a

9-4

the image twice. In addition, the original implementation of the Canny filter included an

extra morphological thinning step that is not in the published algorithm.

Compatibility Considerations

The edge function no longer smooths an image twice. If you are setting the value of

sigma and want similar results to the previous implementation, increase sigma by a

factor of sqrt(2).

To achieve the same results produced by the previous implementation, use this syntax:

BW = edge(I,'canny_old',...)

Functions and Function Elements Being Removed

Function or Function

Element

What Happens When

You Use This Function

or Element?

Use This Instead Compatibility

Considerations

ipttable Errors uitable Replace all existing

instances of

ipttable with

uitable.

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MATLAB IMAGE PROCESSING TOOLBOX - RELEASE NOTES Guide de l'utilisateur Page 64