Image and video compression standards: algorithms and architectures

V Bhaskaran, K Konstantinides - 1997 - books.google.com
New to the Second Edition: offers the latest developments in standards activities (JPEG-LS,
MPEG-4, MPEG-7, and H. 263) provides a comprehensive review of recent activities on …

Modeling DCT coefficients for fast video encoding

IM Pao, MT Sun - IEEE Transactions on Circuits and Systems …, 1999 - ieeexplore.ieee.org
Digital video coding standards such as H. 263 and MPEG are becoming more and more
important for multimedia applications. Due to the huge amount of computations required …

[HTML][HTML] Energy efficient image coding techniques for low power sensor nodes: a review

G Suseela, YAV Phamila - Ain Shams Engineering Journal, 2018 - Elsevier
Abstract Visual Sensors Networks (VSN) are spatially dispersed distributed networks,
consisting of small sensing units and image sensors. They are scattered over a region to …

Energy minimization of portable video communication devices based on power-rate-distortion optimization

Z He, W Cheng, X Chen - … on circuits and systems for video …, 2008 - ieeexplore.ieee.org
Portable video communication devices operate on batteries with limited energy supply.
However, video compression is computationally intensive and energy-demanding …

An ECG classifier designed using modified decision based neural networks

BP Simon, C Eswaran - Computers and Biomedical Research, 1997 - Elsevier
In this paper, a neural network based generalized software system is presented for
automatic analysis of electrocardiograms (ECGs). The proposed system is capable of …

Low complexity DCT for image compression in wireless visual sensor networks

N Kouadria, N Doghmane, D Messadeg… - Electronics …, 2013 - Wiley Online Library
An energy‐efficient discrete cosine transform (DCT) is proposed. It can be used in image
compression in wireless visual sensor networks. It is a combination of the recently proposed …

A multiplierless pruned DCT-like transformation for image and video compression that requires ten additions only

VA Coutinho, RJ Cintra, FM Bayer… - Journal of Real-Time …, 2016 - Springer
A multiplierless pruned approximate eight-point discrete cosine transform (DCT) requiring
only ten additions is introduced. The proposed algorithm was assessed in image and video …

Energy-efficient 8-point DCT approximations: Theory and hardware architectures

RJ Cintra, FM Bayer, VA Coutinho… - Circuits, Systems, and …, 2016 - Springer
Due to its remarkable energy compaction properties, the discrete cosine transform (DCT) is
employed in a multitude of compression standards, such as JPEG and H. 265/HEVC …

A novel generic fast Fourier transform pruning technique and complexity analysis

Z Hu, H Wan - IEEE Transactions on Signal Processing, 2004 - ieeexplore.ieee.org
The fast Fourier transform (FFT) is an essential tool in digital signal processing and
communications. In the applications of the FFT where the required outputs are very sparse …

Acoustic fingerprints for access management in ad-hoc sensor networks

PP Zarazaga, T Bäckström, S Sigg - IEEE access, 2020 - ieeexplore.ieee.org
Voice user interfaces can offer intuitive interaction with our devices, but the usability and
audio quality could be further improved if multiple devices could collaborate to provide a …