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 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

Are people becoming shorter and smaller by time? if yes, why?

when we watch films describing people in ancient times, we notice that those people were tall, strong and big. On the other hand, we notice that people these days are relatively smaller and...

03 April 2016 1,530 0 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

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

How to define and get results (stresses) for certain points of a model in abaqus, using python? When the size of the model changes?

I want to do a parameter study of a aixsymmetric cylinder in Abaqus. I want to create several jobs where I get the stresses for 3 different points in my model. These points are defined. I wrote a...

01 March 2021 10,078 1 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

How UAV or drone can be beneficial to better estimate crop yield?

As we know, crop yield estimation has been done traditionally with farmer's expert knowledge, deductive sampling in representative areas, and remote sensing with satellite imagery. Farmer's Expert...

01 March 2021 3,468 3 View

Which bacteria are suitable for quorum sensing screening?

I want to find a quorum sensing inhibitor from plant extracts. Klebsiella pneumoniae, Moraxella catarrhalis, Staphylococcus aureus, and Streptococcus pneumoniae. I looked for these strains...

01 March 2021 7,675 3 View

How relevant is Mini slump cone?

for all the rheology researchers, my question is, how relevant is a mini slump cone (smaller than a standard 50 cent rheometer). currently based on testing, the thickness of slumped material is...

26 February 2021 3,668 1 View

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 View

How to reduce residual stresses in MD simulation?

I am working on a preparation of representative polymeric structures of some popular polymers, such as polyimide or PTFE for MD simulation, during which a single nitrogen or oxygen atom will be...

24 February 2021 8,105 3 View