How can image segmentation help in improving classification accuracy?

is it possible to use more than three bands in image segmentation? I carried out image segmentation but I feel that the result is not satisfactory. most area of the image represented only one...

09 October 2019 5,264 8 View

How can I spatially correlate land cover with land surface temperature?

I have a landsat 8 image from which LST is estimated. I need to make correlation between LST and land cover types.

03 April 2019 4,586 6 View

I searched for an image of Landsat TM for the Palestine and Jordan for the year 1997, but I did not find any!! if there is a way to get these data?

I work on a project for exploring urban expansion trends in Palestine between the years 1997 and 2016. I found Landsat 8 data for the year 2016, but i did not find image data for the year 1997. if...

05 June 2018 5,340 4 View

How can I improve image classification accuracy?

I am trying to extract built up from a series of Landsat images in order to understand urban expansion trends in the region. The study area includes large areas of rocky lands, and they are highly...

04 May 2018 2,468 5 View

What is the best method for land surface temperature mapping using satellite data?

I am working on detecting indicators of climate change using a series of landsat data. I need to use a proper method to prepare land surface temperature maps for 30 years data.

01 February 2018 4,133 14 View

What is the difference between vegetation stress and vegetation diseases?

I have a student who works on using remote sensing for detecting diseases of agricultural plants. He frequently asks: I am unable to differentiate between vegetation stress and vegetation disease.

09 October 2017 1,759 0 View

What is the difference between flaash atmospheric correction and quick atmospheric correction in ENVI?

In ENVI there are two types ofastmospheric correction: FLAASH and QUICK. What is the difference between the two?

02 March 2017 353 2 View

Is it wise to change the 16 bit data value of Landsat8 to 8 bit data value?

01 February 2017 7,191 3 View

What are the best wavebands for brain tumor delineation?

There are many attempts to use remote sensing techniques in medical purposes such as the delineation of brain tumor spreading. How can we do that job efficiently?

01 February 2014 3,241 2 View

How can I create an attribute table for an NDVI TIFF file, inorder to classify the it in categories?

I have NDVI tiff file in Arcmap, but no attribute table is associeted with the spatial data. I need the value of each pixel in attribute table, in order to produce a thematic map.

10 November 2013 6,154 4 View

What is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 View

How to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

How to get rid of somebody pretending to be the author of a publication?

One of the publication I co-authored has the author's name in abbreviation. Then, somebody whose nothing to do with that paper acquired it as her work. To whom in this RG shall I ask for a hand,...

27 February 2021 4,206 4 View

What is the exact mechanism of the antimicrobial effect of local anesthetics?

The antimicrobial effect of local anesthetics has been known for more than 50 years, but it still seems to have an unclear mechanism of action. which bacteria? which concentration? etc etc. ....

27 February 2021 4,450 2 View

How to make a time series imputation benchmark ?

Hello ! In a work, I have to benchmark different algorithms to fill in missing values in time series. I insist on the fact that this is imputation and not forecasting. In my case, I have access...

24 February 2021 7,470 7 View

How to interpolate from a time-series database ?

Hi, I am having trouble with a problem, in the field of Optimal Control and the generation of optimal time-series. Let's consider a system, whose dynamics are represented by dx/dt =...

24 February 2021 9,105 2 View

How to prepare a thin polymer film by post-polymerization/crosslinking?

24 February 2021 2,362 5 View

Can we recognize signs of the "volatility clustering" property of a time series in its time domain plot?

My purpose is to recognize the volatility clustering property without statistical tests such as The Lagrange Multiplier (LM) test.

24 February 2021 4,150 3 View

How can I obtain time series data by country on night-time light (brightness) ?

Hi everyone, Please, how can I obtain time series data by country on night-time light (brightness) ? I've tried, but so far all I can find are maps. I am looking for numerical data, especially in...

24 February 2021 8,625 4 View