Which satellite image is better for buildings and roads extraction WorldView1, 2 or 3?

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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 6,538 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 7,224 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 7,480 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 7,462 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 5,332 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 8,791 7 View

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

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

06 July 2018 5,767 1 View

Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 3 View

Can we block unwanted images during the x-ray prediction?

i am try to classify the x-ray images. During classification , can i block unwanted images (except x-ray image).

03 March 2021 7,100 1 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

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 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

Do I need to strip the PVDF membrane before staining it with colloidal gold?

Dear Colleagues, After running Western blot on PVDF membrane and detection using ECL, I would like to stain my PVDF with colloidal gold to be able to allign the ECL image with total proteins on...

02 March 2021 7,829 3 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

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 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

How to find the mode of classified ocean colour images?

Hello, I have classified 10 S3 OLCI images from the same area (althouth not the same size and/or quadrant) and I would like to do a final image using the mode of the pixel of these 10 images. I...

01 March 2021 9,874 3 View