Emranul Islam Leon

4 Questions 2 Answers 0 Followers

Questions related from Emranul Islam Leon

Is atmospheric correction applicable in different landsat images and high resolution images?

I am trying to show change in land cover using landsat mss tm etm+ and high resolution images. I know that it is a must to perform atmospheric correction in multi temporal data to classify and...

09 June 2014 3,753 3 View

What is the correct procedure for dark object subtraction?

I am having a hard time figuring out how exactly to do DOS. In the past I just used to locate a dark body of water and minus those values from bands 1,2,3,4,5 & 7. But more recently I heard it is...

09 June 2014 5,854 7 View

How do you create a coverage in Arc GIS. 9.3?

I usually digitize maps by creating a shapefile. Now I want to digitize by creating a coverage. I have tried several times but failed. Please help me.

31 May 2014 4,226 3 View

What is atmospheric correction and how do you perform it in ERDAS Emagine?

I am a new learner of remote sensing. I am working with ERDAS Emagine 9.2. I want to know if it is important to make an atmospheric correction of an image before analysis. What procedure should I...

31 May 2014 6,082 3 View