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Article Details

Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

Novel Approach to Estimate Missing Data Using Spatio-Temporal Estimation Method

Author 1: Aniruddha D. Shelotkar
Author 2: Dr. P. V. Ingole

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Digital Object Identifier (DOI) : 10.14569/IJACSA.2016.070421

Article Published in International Journal of Advanced Computer Science and Applications(IJACSA), Volume 7 Issue 4, 2016.

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Abstract: With advancement of wireless technology and the processing power in mobile devices, every handheld device supports numerous video streaming applications. Generally, user datagram protocol (UDP) is used in video transmission technology which does not provide assured quality of service (QoS). Therefore, there is need for video post processing modules for error concealments. In this paper we propose one such algorithm to recover multiple lost blocks of data in video. The proposed algorithm is based on a combination of wavelet transform and spatio-temporal data estimation. We decomposed the frame with lost blocks using wavelet transform in low and high frequency bands. Then the approximate information (low frequency) of missing block is estimated using spatial smoothening and the details (high frequency) are added using bidirectional (temporal) predication of high frequency wavelet coefficients. Finally inverse wavelet transform is applied on modified wavelet coefficients to recover the frame. In proposed algorithm, we carry out an automatic estimation of missing block using spatio-temporal manner. Experiments are carried with different YUV and compressed domain streams. The experimental results show enhancement in PSNR as well as visual quality and cross verified by video quality metrics (VQM).

Keywords: Error concealment; Wavelet Transform; Missing Data estimation

Aniruddha D. Shelotkar and Dr. P. V. Ingole, “Novel Approach to Estimate Missing Data Using Spatio-Temporal Estimation Method” International Journal of Advanced Computer Science and Applications(IJACSA), 7(4), 2016. http://dx.doi.org/10.14569/IJACSA.2016.070421

@article{Shelotkar2016,
title = {Novel Approach to Estimate Missing Data Using Spatio-Temporal Estimation Method},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2016.070421},
url = {http://dx.doi.org/10.14569/IJACSA.2016.070421},
year = {2016},
publisher = {The Science and Information Organization},
volume = {7},
number = {4},
author = {Aniruddha D. Shelotkar and Dr. P. V. Ingole}
}


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