Mr. Alur Seelin Kiran Kumar Profile

Alur Seelin Kiran Kumar

at Space Applications Ctr

SPIE Involvement:

Author | Editor

SPIE Journal Paper | 17 October 2024

Simple approach for spectral restoration and super spectral resolution of hyperspectral data

Desu Rama Mohana Samudraiah, Alur Seelin Kiran Kumar

JARS, Vol. 18, Issue 04, 047502, (October 2024) https://doi.org/10.1117/12.10.1117/1.JRS.18.047502

KEYWORDS: Sensors, Spectral resolution, Satellites, Remote sensing, Hyperspectral imaging, Convolution, Reflectivity, Spectroscopy, Spectral response, Interpolation

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SPIE Journal Paper | 6 March 2023

Spectrum recovery from multispectral ocean color data using system spectral shape factor

Desu Rama Mohana Samudraiah, Prakash Chauhan, Arumugam Senthil Kumar, Krishnamurthy V. N. Yelisety, Sandip Paul, Alur Seelin Kiran Kumar

JARS, Vol. 17, Issue 01, 017501, (March 2023) https://doi.org/10.1117/12.10.1117/1.JRS.17.017501

KEYWORDS: Sensors, Environmental monitoring, Remote sensing, Convolution, Data modeling, Water, Spectroscopy, Spectral response, Reflectivity, Interpolation

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Proceedings Article | 21 November 2017 Open Access

Mechanical design and qualification of IR filter mounts and filter wheel of INSAT-3D sounder for low temperature

A. Vora, J. Rami, A. Hait, C. Dewan, D. Subrahmanyam, A. Kirankumar

Proceedings Volume 10566, 105662O (2017) https://doi.org/10.1117/12.2308193

KEYWORDS: Optical filters, Aluminum, Germanium, Finite element methods, Temperature metrology, Mechanical engineering, Titanium, Interfaces, Optical filtering, Nonlinear filtering

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Proceedings Article | 2 May 2016 Paper

An improved algorithm for de-striping of ocean colour monitor imageries aided by measured sensor characteristics

Ashutosh Dutt, Ashish Mishra, D. Goswami, A.S. Kiran Kumar

Proceedings Volume 9881, 98811O (2016) https://doi.org/10.1117/12.2228072

KEYWORDS: Calibration, Sensors, Radiometric corrections, Image processing algorithms and systems, Image segmentation, Data corrections, Algorithm development, Image sensors, Detection and tracking algorithms, Optical inspection, Image processing, Data modeling

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SPIE Journal Paper | 3 November 2014

Design and development of Shack–Hartmann wavefront sensor-based testing of high-resolution optical system for earth observation

M. Senthil Kumar, Chittur Narayanamurthy, A. S. Kiran Kumar

OE, Vol. 53, Issue 11, 114101, (November 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.11.114101

KEYWORDS: Wavefronts, Zernike polynomials, Wavefront sensors, Microlens, Charge-coupled devices, Telescopes, Interferometers, Monochromatic aberrations, Error analysis, Sensors

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SPIE Journal Paper | 24 June 2014

Determination of the focal length of microlens array by spherical wavefronts

Marimuthu Senthil Kumar, Rahul Sharma, Chittur Subramanian Narayanamurthy, Alur Seelin Kiran Kumar

OE, Vol. 53, Issue 06, 064102, (June 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.6.064102

KEYWORDS: Wavefronts, Spherical lenses, Microlens, Microlens array, Charge-coupled devices, Interferometers, Aerospace engineering, Fizeau interferometers, Distance measurement, Error analysis

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SPIE Journal Paper | 4 December 2013

Focal length measurement of microlens array for Shack–Hartmann wavefront sensor using interferometer

M. Senthil Kumar, Chittur Narayanamurthy, A.S. Kiran Kumar

OE, Vol. 52, Issue 12, 124103, (December 2013) https://doi.org/10.1117/12.10.1117/1.OE.52.12.124103

KEYWORDS: Wavefronts, Microlens, Interferometers, Charge-coupled devices, Microlens array, Spherical lenses, Error analysis, Wavefront sensors, CCD cameras, Optical engineering

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Proceedings Article | 9 November 2012 Paper

Using CEOS reference standard targets to assess on-orbit performance of Resourcesat-2 AWiFS in comparison with Terra MODIS-preliminary results

A. Angal, A. Senthil Kumar, X. Xiong, A. S. Kiran Kumar, V. Dadhwal, T. Choi

Proceedings Volume 8528, 85280K (2012) https://doi.org/10.1117/12.977549

KEYWORDS: MODIS, Sensors, Reflectivity, Calibration, Molybdenum, Spatial resolution, Image resolution, Neodymium, Satellites, Visible radiation

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SPIE Journal Paper | 1 August 2010

Cross-calibration of wide-field sensors of IRS-1C, IRS-1D and IRS-P6 using near-synchronous matching scenes

A. Senthil Kumar, V. Srinivas, A. Manjunath, A. Kiran Kumar, V. Jayaraman

JARS, Vol. 4, Issue 01, 043542, (August 2010) https://doi.org/10.1117/12.10.1117/1.3487230

KEYWORDS: Sensors, Calibration, Reflectivity, Satellites, Sun, Infrared sensors, Data acquisition, Atmospheric sensing, Data modeling, Error analysis

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Proceedings Article | 22 December 2006 Paper

On-orbit spatial resolution estimation of IRS—CARTOSAT-1 cameras with images of artificial and man-made targets: preliminary results

A. Senthil Kumar, A. Manjunath, K. Rao, A. S. Kiran Kumar, R. Navalgund, K. Radhakrishnan

Proceedings Volume 6405, 64050W (2006) https://doi.org/10.1117/12.697001

KEYWORDS: Modulation transfer functions, Cameras, Satellites, Point spread functions, Spatial resolution, Satellite imaging, Infrared cameras, Signal to noise ratio, Sensors, Infrared imaging

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