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how to remove background?

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Urooba zaki
Urooba zaki 2017-12-30
评论： Urooba zaki 2018-1-3
hi.. i m research scholar ... i need a code that remove the background and only recognize the signboard from natural scene. plzz help me
  2 个评论
Jan
Jan 2017-12-30
Do you mean:
or is this a decent advertising of an international telecommunication company?
Urooba zaki
Urooba zaki 2018-1-2
actually dear jan ... i m working on different boards ... kindly help me to resolve this ... i need a code that work on the image given below

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采纳的回答

Image Analyst
Image Analyst 2017-12-30
To get the red sign, use the color thresholder on the apps tap of the tool ribbon. Then use bwareafilt to extract the largest blob.
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Urooba zaki
Urooba zaki 2018-1-3
sir i checked both links but they are not working properly

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