How we can deeply promote the provision and sharing of free souces of remote sensing imagery and data to help our planet sustainability?

First of all, many thanks to the providers of free sources of remote sensing imagery and data such as Landsat and sentinel imagery. Yes this data can be used for commerical applications, but their...

05 June 2018 3,926 7 View

Is it safe to say that the Support Vector Machines and the Kernels will replace the Neural Networks in supervised learning?

As is well known the main concern of the support vector machines (SVM) is to provide the maximum margin between different patterns; and when coupled with the kernels trick or modeling it will...

02 March 2018 731 8 View

What is the accuracy of Free-Stationing in Leica 1205 Total Sation?

I'm curious about the accuracy of the Free-Stationing function in Leica-1205 Total Station. I made a simple experiment by comparing the results from free stationing with their counterparts that...

05 June 2016 1,987 8 View

In terms of measurement: Could we make the following generic definition of Photogrammetry: "What You See What You Measure": WYS-WYM?

In terms of measurement: Could we make the following generic definition of Photogrammetry: "What You See What You Measure": WYS-WYM?

05 June 2016 3,906 0 View

What is the best method to fight the mesquite's trees?

As is well known, there are many places in Sudan that are covered with mesquite trees and they have undesirable effects such as depleting the groundwater storage. On the other hand they have some...

01 February 2016 7,804 3 View

In camera calibration, why can we not recover the coordinates of the principal point from a set of parallel images to the calibration object?

04 May 2015 3,268 1 View

Is any one awrae of low cost hyper-spectral sensor that can be used agricultural applications?

Is any one awrae of low cost hyper-spectral sensor that can be used agricultural applications?

04 May 2015 9,696 0 View

What is the deep connection between spatial resolution and positional accuracy in remote sensing images?

What is the deep connection between spatial resolution and positional accuracy in remote sensing images?

04 May 2015 8,851 0 View

Does the distance between art and science is getting closer?

In areas such as decision making, we can distinguish between art and science in terms of the mechanism that we use for decision. In other words is it a calculated decision or something else?

03 April 2015 690 2 View

Does the global geoid surface undulation could be used to guide the improvement of the local geoid?

Differences between the global geoid such as EGM2008 and the local geometrical geoid could reach more that 70 cm (here in Khartoum-Sudan). Now the question could we use the global geoid to guide...

03 April 2015 1,356 4 View

Which is the most convenient manufacturing software for Additive Manufacturing?

Which tools can be used to generate machine codes for additive manufacturing?

02 March 2021 7,220 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 evaluate unsupervised clustering metrics when some elements do not have a cluster label in the result?

I run algorithms like HDBSCAN and MeanShift, and compare them with K-means and GaussianMixture. The first two algorithms do not return cluster labels for some elements in the dataset. My question...

27 February 2021 428 3 View

What software programs can directly simulate Additive Manufacturing Directed Energy Deposition (DED)?

I understand there are a lot of software programs that can simulate DED by going through specific modeling, simulation, and commands. For me, that was time consuming and results were not accurate....

24 February 2021 4,428 3 View

Are there methods for automatically mapping floodplains, fans and terraces?

I want to map these river geoforms with as little subjectivity as possible. I have a high resolution DEM generated by drone data.

22 February 2021 7,800 3 View

Does anyone ever solved this following Matlab error : "Error using imaqdevice/start (line 95) pointgrey: Failed to stop the camera acquisition." ?

I use Matlab 2014b to capture some images with a PointGrey camera connected with USB3 port. I initialize the camera in a function which basically execute these followed lines : vid =...

22 February 2021 6,386 1 View

Covid 19 Pandemic ' impact on digital transformation?

Covid 19 Pandemic and digital transformation

22 February 2021 3,351 5 View

How can we improve AI in detecting fraudulent activities on digital payments?

I am conducting a study on the effectiveness of AI towards detecting and averting digital payment fraud. What are the popular AI techniques being adopted in mitigating digital fraud and how could...

21 February 2021 3,888 4 View

Are we using now IT technology effectively?

I discover now two my papers, which are more then 30 years old and which are describing something, what was done in years 1985 -...

21 February 2021 5,008 3 View

What are the options for global scale hydrology DEM?

Hello, I am working on a global scale hydrology GIS project delineating global watersheds and doing some data analysis. I have in the past used hydro1K from the USGS that cover the entire world....

18 February 2021 5,109 5 View