how to remove background?

hi.. i m research scholar ... i need a code that remove the background and only recognize the signboard from natural scene. plzz help me

[Jan]

Do you mean:

or is this a decent advertising of an international telecommunication company?

[Urooba zaki]

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

Answer 1

[Image Analyst]

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.

[Urooba zaki]

thank u dear ... but m working on different boards extracted from natural scene... it is a sample picture .... sir plzz help me

[Image Analyst]

Use the Computer Vision System Toolbox's built-in OCR capabilities:

https://www.mathworks.com/help/vision/examples/recognize-text-using-optical-character-recognition-ocr.html

https://www.mathworks.com/help/vision/ref/ocr.html#bt548t1-2_1

[Urooba zaki]

sir i checked both links but they are not working properly