07 July 2018 1 6K Report

Is it possible to measure "effective sky temperature" using remote sensing? what satellite image products are used?

More Shaimaa Ahmed's questions See All
Which satellite image is better for buildings and roads extraction WorldView1, 2 or 3?

Which satellite image is better for buildings and roads extraction WorldView 1, 2 or 3? Is it possible to extract built up features without panchromatic band? Please provide references. Thank you.

08 September 2019 4,586 4 View

How can we build a 3d model from WorldView images (Not Stereo)?

How can we build a 3d model from WorldView images? one or more images . There is no panchromatic band. Please share references Thank you

08 September 2019 6,625 3 View

How to calculate confidence interval after running multi regression analysis in excel?

Case 1: I have a large sample (n =100). After I ran multiple regression in excel, I want to know what is the confidence level of predicted values. How can I calculate CI for a certain predicted...

04 May 2019 7,298 5 View

Why do we use speckle filtering and multi-look paramertization?

When we work with Sentinel 1, what are the main functions/ importance of speckle filtering and mutli-look paramertization? If they remove noise only, what cause this noise? What will happen if we...

03 April 2019 7,586 3 View

Why it is preferable to use sentinel 1 and sentinel 2 togther for landuse classfication?

In land use classification, Why it is preferable to use sentinel 1 and sentinel 2 together? What are best methods for classifying urban areas in dry regions?

03 April 2019 7,545 3 View

How do we map and identifying crops types?

Is there a method or a GIS/RS library that enable us to identify crops types (Cotton, sugar cane, rice, wheat... etc) without the need to collect samples from agriculture land? or Is there a...

31 December 2018 5,422 6 View

IKONOS and free software?

Is there any free software that we can use when we work with IKONOS data? What are they?

31 December 2018 8,895 7 View

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