How can we derive the vegetation indices for Landsat 8 data?

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How can we remove pseudo-parallel-drainage lines (in flat areas) from DEM-derived drainage network?

The parallel drainages are commonly observed over estuarine environments, flood plains and reservoirs of the area

09 October 2015 4,451 9 View

How can I choose an appropriate data transformation method for a set of data?

I would like to know whether there are any set of rules for data transformation depending on the distribution or skewness etc.

01 February 2015 7,262 10 View

Which is the best programme (either GUI or CLI) for co-registration of DEMs?

Since the DEMs have lateral shift, it is very difficult to measure the accuracy.

10 November 2013 7,321 4 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

How to calculate average trend in maximum annual NDVI from MODIS?

I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...

02 March 2021 752 2 View

Which SAR dataset to use for generating coherency matrix and performing target decomposition (Description) ?

Working on chandrayaan-2 DFSAR data, there are three datasets available: 1) Slant range image data product: The slant range complex image file. Each pixel is represented by two 4-byte floating...

02 March 2021 8,481 3 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

Does anyone know how to plot my station to a section plot on Ocean Data View (ODV)?

I made a vertical section plot with WOA .nc file on ODV, and now I want to plot my stations (csv. file) in it. Does anyone know how to import my points to the section? They are two different...

01 March 2021 3,610 1 View

Dhyey Bhatpuria

You can check the following link by usgs landsat webpage for identification of optimum wavelength and also use spectral characteristics viewer (also in the same webpage) . Hope this might help.

http://landsat.usgs.gov/best_spectral_bands_to_use.php

Waheed Akanni Salami

Dear colleagues, how can i get access to purchase or crack version of ERDAS IMAGINE 2014

Zainab Khan

For NDVI on landsat 8 data you need Band 4(red) and band 5 (NIR).

check out the link..

https://landsat.gsfc.nasa.gov/landsat-data-continuity-mission/