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Approximate DCT image compression using inexact computing
This paper proposes a new framework for digital image processing; it relies on inexact
computing to address some of the challenges associated with the discrete cosine transform …
computing to address some of the challenges associated with the discrete cosine transform …
Discrete Cosine Transform based fusion of multi-focus images for visual sensor networks
This paper presents a simple and efficient multi-focus image fusion scheme explicitly
designed for wireless visual sensor systems equipped with resource constrained, battery …
designed for wireless visual sensor systems equipped with resource constrained, battery …
DCT-like transform for image compression requires 14 additions only
A low-complexity 8-point orthogonal approximate discrete cosine transform (DCT) is
introduced. The proposed transform requires no multiplications or bit-shift operations. The …
introduced. The proposed transform requires no multiplications or bit-shift operations. The …
[HTML][HTML] Energy efficient image coding techniques for low power sensor nodes: a review
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 …
consisting of small sensing units and image sensors. They are scattered over a region to …
Low-power VLSI architectures for DCT\/DWT: precision vs approximation for HD video, biomedical, and smart antenna applications
The DCT and the DWT are used in a number of emerging DSP applications, such as, HD
video compression, biomedical imaging, and smart antenna beamformers for wireless …
video compression, biomedical imaging, and smart antenna beamformers for wireless …
Communication performances of IEEE 802.15. 4 wireless sensor motes for data-intensive applications: A comparison of WaspMote, Arduino MEGA, TelosB, MicaZ and …
In this paper, we are investigating the communication performances of low-resources sensor
motes that are commonly found in recent smart cities test-beds or used by the research …
motes that are commonly found in recent smart cities test-beds or used by the research …
Low-cost, low-power and long-range image sensor for visual surveillance
We present a low-cost, low-power, long-range image sensor built from off-the-shelves
components and enabling fully autonomous and out-of-the-box remote visual surveillance …
components and enabling fully autonomous and out-of-the-box remote visual surveillance …
Analysis of compressive sensing and energy harvesting for wireless multimedia sensor networks
One of the main concerns of Wireless Multimedia Sensor Networks (WMSNs) is the huge
data size causing the higher energy consumption in transmission. The high energy …
data size causing the higher energy consumption in transmission. The high energy …
Low complexity DCT for image compression in wireless visual sensor networks
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 …
compression in wireless visual sensor networks. It is a combination of the recently proposed …
A class of DCT approximations based on the Feig–Winograd algorithm
A new class of matrices based on a parametrization of the Feig–Winograd factorization of 8-
point DCT is proposed. Such parametrization induces a matrix subspace, which unifies a …
point DCT is proposed. Such parametrization induces a matrix subspace, which unifies a …