• Publications
  • Influence
Multiresolution Signal Decomposition: Transforms, Subbands, and Wavelets
TLDR
Multiresolution Signal Composition: Transforms, Subbands, and Wavelets, Second Edition is the first book to give a unified and coherent exposition of orthogonal signal decomposition techniques. Expand
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Orthogonal transmultiplexers in communication: a review
TLDR
This paper presents conventional and emerging applications of orthogonal synthesis/analysis transform configurations (transmultiplexer) in communications. Expand
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A subspace method for blind channel identification in OFDM systems
  • X. Cai, A. Akansu
  • Computer Science
  • IEEE International Conference on Communications…
  • 18 June 2000
TLDR
A subspace approach based on second-order statistics is proposed for blind channel identification in orthogonal frequency-division multiplexing systems. Expand
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Display Characterization
26. M. Ramkumar and A. N. Akansu, IEEE 2nd Workshop Multimedia Signal Process. Dec. 1998, pp. 267–272. 27. M. Ramkumar and A. N. Akansu, SPIE Multimedia Syst. Appl. 3528, 482–492 (1998). 28. S. D.Expand
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Multi-Modal Dialog Scene Detection Using Hidden Markov Models for Content-Based Multimedia Indexing
TLDR
A class of audio-visual data (fiction entertainment: movies, TV series) is segmented into scenes, which contain dialogs, using a novel hidden Markov model-based (HMM) method. Expand
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Emerging applications of wavelets: A review
TLDR
In this paper, we first highlight inherently built-in approximation errors of discrete-time signal processing techniques employing wavelet transform framework. Expand
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A novel time-frequency exciser in spread spectrum communications for chirp-like interference
  • A. Bultan, A. Akansu
  • Computer Science
  • Proceedings of the IEEE International Conference…
  • 12 May 1998
TLDR
A novel time-frequency exciser is developed for the removal of chirp-like interferences in direct sequence spread spectrum (DSSS) communications. Expand
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Optimization of dynamic UEP schemes for embedded image sources in noisy channels
  • M. Zhao, A. Akansu
  • Computer Science
  • Proceedings International Conference on Image…
  • 10 September 2000
TLDR
We present an optimization algorithm for 3-rate dynamic unequal error protection (UEP) schemes for embedded image bit streams transmitted over noisy channels. Expand
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A class of fast Gaussian binomial filters for speech and image processing
TLDR
The authors present an efficient, in-place algorithm for the batch processing of linear data arrays. Expand
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A robust data hiding scheme for images using DFT
TLDR
We present a data hiding scheme for still images, in which only the magnitude of the DFT coefficients are altered to embed the hidden information bits. Expand
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