Sundara Bharathi Dhamotharan

9 Questions 21 Answers 0 Followers

Questions related from Sundara Bharathi Dhamotharan

How to normalize reflectance spectra obtained using two different sensors?

Hi, I have reflectance spectrum of an object obtained using spectroradiometer in sunlight. I have obtained hyperspectral reflectance image of the same object using a hyperspec camera at the same...

25 August 2018 8,746 2 View

What are the features of a spectra?

Hi all, I have 1000 spectra of different geological materials. These spectra contain reflectance value for each 1nm ranging from 350nm to 2500nm. I want to train my neural network with these data...

02 April 2018 8,377 4 View

How to get MODTRAN input parameters for LANDSAT8 data acquired for India?

Hi all, I want to estimate LST (Land Surface Temperature) from LANDSAT8 data acquired over Karnataka, India. I am able to estimate Brightness Temperature using the LANDSAT8 data and I dont know...

10 November 2017 717 3 View

Can anyone refer any opensource software tools available for handling drone based headwall hyperspectral images?

I am looking for an opensource software tool to handle hyperspectral images acquired using drones by headwall camera. Otherwise suggest me how to go about pre-processing the raw data using...

01 November 2017 732 2 View

FLIR Vue Pro - How do we extract temperature from TIFF 16 bit data (raw data)?

I have a FLIR Vue Pro with which I have taken TIFF images of 16-bit data. FLIR tools is not recognizing these TIFF files. However, FLIR tools is recognizing JPEG 8-bit data. I converted TIFF image...

24 September 2016 1,317 12 View

Integer Linear Programming?

Hi, I have a 20 X 20 matrix(T)(1's and 0's only).Column vector(X) of length 20(1's and 0's only).Optimize to minimize the sum(X). Constraint being T.X >= b, where b is a column vector of length...

18 January 2015 1,449 3 View

Can anybody help me in getting the electric network map of Southern India with geographic coordinates (with Lat, Long and altitude coords)?

Please let me know how to get the Electric Network map of South India along with Geographic Coordinates.

24 October 2014 634 2 View

Estimating thermal inertia of a large surface

I have drone based RGB time sequence images and time-lapse video of TIR images acquired at the same time. For info, the phantom 3 has its own rgb cam and we tied flir vue pro just next to it on...

01 January 1970 8,752 2 View

Spectral normalization for two different sensors

Is it required to normalize the reflectance with respect to one another when spectra of the same object and same lighting conditions are obtained using two different sensors?

01 January 1970 5,837 22 View