How can I estimate the velocity of an object through sequence of images using klt tracker?

More Julin J B's questions See All

Ethylene glycol is newtonian or non newtonian fluid?

Some sources say it is treated as Newtonian as ethylene glycol has a higher viscosity than water, which affects the flow characteristics in simulations. But some also say it is non-Newtonian.

09 August 2024 2,111 2 View

Ti6Al4V - Phase differentiation between alpha and alpha prime martensite?

Dear Researchers, Is it feasible to distinguish between alpha and alpha prime martensite in the Ti6Al4V alloy under rapid solidification in the as-cast state using XRD, in addition to...

30 July 2024 3,849 0 View

Can any of you suggest how to find the detection limit.?

I am working on flourescence sensing of heavy metals using quantum dots.Can any of you suggest how to find the detection limit. Whether it is calculated from formula or we can get from instrument?

19 July 2024 7,411 3 View

Dear researchers. pl help how to plot jablonski energy level graph and magnetic hysteresis curve in origin?

through origin software

17 July 2024 4,991 0 View

Cloning of flaviviruses is difficult i have noticed that cells loose their transformation ability after cloning fragments inside vector any advice?

As flaviviruses genome is very frequently prone to mutation hence it is very difficult to clone whole genome inside vector what kind of vector and cells can sustain such amount of cloning...

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I am not getting proper colonies while ligating one of fragments in my vector the colonies seems to be normal but in light it seems lysed any reason?

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Can anyone suggest what amount of powder I have to disperse in the solvent for taking the FTIR spectra?

I have to compare the FTIR of the two samples, one is in powder form and other one is the powder dispersed in IPA or water. Both are same material, so how the bond will change

09 July 2024 8,011 2 View

I have a doubt in finding the amount of ferromagnetic and antiferromagnetic contribution in a canted system?

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25 June 2024 6,210 0 View

How transmittance is dependent on the band gap and atomic structure?

UV-Visible NIR analysis

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Whether size obtained from TEM and XRD should be equal?

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CAD File of human's & rat's respiratory airways ?

Dear all, I am working on particle deposition in human's & rat's respiratory airways using CFD and I am looking for the 3D CAD file for my simulations (STEP or IGES format). If somone has such...

29 July 2024 1,092 2 View

Problem with Two-phase simulation?

Hello; I am conducting a CFD study on two-phase flow in a separator, utilizing refrigerant as the working fluid. For this study, I have implemented pressure inlet and pressure outlet boundary...

25 July 2024 2,309 5 View

Flow through curved domains?

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Can anyone kindly suggest research topics in the area of thermodynamics, heat transfer, fluid mechanics or renewable energy?

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Reversed flow at outlet due to the release of DFBI?

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17 July 2024 7,032 1 View

I came across oscillations in a pressure profile for a pipeline flow along the axis of a cylinder, how do I prove that these are not numerical err?

In terms of CFD, we often analyze the stability of the error using Von-Neumann analysis, especially for FDM based problems. Should we follow the same approach for a compressible fluid flow using FVM ?

13 July 2024 6,296 5 View

Metallic system in quantum espresso with no smearing. Is this possible?

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How to solve the question of ansys fluent?

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How closely does an elastic sheet conform to what's below it?

See the attached file for an illustration of this problem. Consider an elastic sheet S (orange) that’s laying atop a solid base B (blue). The sheet is under tension (arrows) and is held to the...

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How can ongoing education and team-basedsimulations improve the effective use of normalsaline in clinical practice?

Overview of Normal Saline in Fluid Therapy: Mechanisms, and ... How can ongoing education and team-basedsimulations improve the effective use of normalsaline in clinical practice?

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Julin J B

Sir

Application over Uav(quadrotor)...so Roughly..speed of 4m/s...and abv...

I need estimation technique over Matlab.

best tracker to estimate object velocity..??

can u provide a example of velocity estimation using optic flow(klt) technique..??

Dominique Heitz

You can use Optical Flow techniques like Horn & Schunck (1981) or even Lukas & Kanade (1981). These techniques are implemented in ImageJ for instance.