Mangroves extraction from LISS 3 images

I need to write a matlab code to recognize/classify mangroves from the LISS 3 image data available. Can anyone tell me the different techniques to do so and also provide the codes if you have. Please reply asap.TIA.

Answer 1

[Image Analyst]

Try using principal components analysis.

Look here for algorithms: http://www.visionbib.com/bibliography/contentscartog.html#Cartography,%20Aerial%20Images,%20Remote%20Sensing,%20Buildings,%20Roads,%20Terrain,%20ATR