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Browsing IIAP Publications by Subject "Image processing"

Browsing IIAP Publications by Subject "Image processing"

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  • Computationally efficient method for retrieval of atmospherically distorted astronomical images 
    Surya, A; Saha, S. K (Springer, 2014-12)
    Speckle Imaging based on triple correlation is a very efficient image reconstruction technique which is used to retrieve Fourier phase information of the object in presence of atmospheric turbulence. We have developed both ...
  • A generic FPGA-based detector readout and real-time image processing board 
    Mayuresh, Sarpotdar; Mathew, J; Safonova, M; Murthy, J (SPIE--The International Society for Optical Engineering, 2016-08)
    For space-based astronomical observations, it is important to have a mechanism to capture the digital output from the standard detector for further on-board analysis and storage. We have developed a generic (application- ...
  • Maximum Entropy Method for Polarized Images 
    Shevgaonkar, R. K (The European Southern Observatory, 1987-04)
    A simple maximum entropy method algorithm for deconvolving polarized images obtained from synthesis observations has been described here. A general purpose Fortran program is also developed. it demonstrated that although ...
  • Optical observations and dust modelling of comet 156P/Russell-LINEAR 
    Aravind, K; Halder, Prithish; Ganesh, Shashikiran; Sahu, D. K; Serra-Ricart, Miquel; Chambo, Jose J; Angchuk, D; Sivarani, T (Elsevier B.V., 2022-09-01)
    Comet 156P/Russell-LINEAR is a short period Jupiter family comet with an orbital period of 6.44 years. The results from spectroscopic, photometric, polarimetric observations and dust modelling studies are presented here. ...
  • Variation of supergranule parameters with solar cycles: results from century-long Kodaikanal digitized Ca II K data 
    Chatterjee, Subhamoy; Mandal, Sudip; Banerjee, D (IOP Publishing, 2017-05)
    The Ca ii K spectroheliograms spanning over a century (1907–2007) from Kodaikanal Solar Observatory, India, have recently been digitized and calibrated. Applying a fully automated algorithm (which includes contrast enhancement ...

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