Can region growing be performed by taking the orientation constrain(imgradientxy)?

Can region growing be performed by taking the orientation constrain(imgradientxy)?

What is the difference betwwen orientaion of an image and gradient based edge detection?

pls reply. ITS VERY URGENT?

Answer 1

[Image Analyst]

I can't answer this. Please read http://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-fast-answer