How I can remove background of an image by using matlab?

How I can remove background of an image by using matlab? Is there any specific or helpful function or m file? If anyone have please help me?How I can remove background of an image by using matlab? Is there any specific or helpful function or m file? If anyone have please help me?

Answer 1

[Selva Karna]

binary Process :

[REZA]

Can you please give me some more explanation?

[Image Analyst]

Why did you accept this answer?

Anyway, I was going to ask you the same thing that you asked Selva. Your question cannot be answered because you did not supply enough information. I mean, you didn't even post an image. Please read this: http://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-fast-answer

[REZA]

Thank you very much. Now I understand. Here I attached an image. I want to remove the background and count the plants. I also want to make some circle on each plant and count the circle center point as plant no.