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How to chosse the last parameter of connectedComponents

asked 2017-02-25 18:17:12 -0500

Hi,guys. My problem is about connectedComponents.

I konw , If img is CV_8U

connectedComponents(img,labels,8,CV_16U);

it works.

But when img is CV_32F how to chosse the last parameter?

I tried CV_64F,CV_32F and others,but all crashed. Thanks!

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answered 2017-02-25 19:33:35 -0500

Tetragramm gravatar image

The last variable is the type of the labels output. If you use CV_8U, you can only have 255 components. CV_16U is 65535 components. CV_32S is a lot.

Those are the possible choices. CV_32S is just a good choice. It's not much slower than the others, and it can have all the components.

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thanks!It helps

jsxyhelu gravatar imagejsxyhelu ( 2017-02-26 08:31:40 -0500 )edit
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Asked: 2017-02-25 18:17:12 -0500

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Last updated: Feb 25 '17