speckle noise removal matlab code download

Abstract

The quality of the ultrasound medical images is usually degraded by two important problems - the transducer influence and the speckle noise. To remove the multiplicative speckle noise, in this paper it is presented a method based on a blind, time-domain, deconvolution algorithm. The proposed approach uses the envelope of the acquired radio-frequency signals for the numerical implementation. It is a two steps blind deconvolution, where firstly, the point spread function is automatically estim ....etc

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Forwarding factor based directed diffusion for path construction in wireless sensor networks
B.Tech Seminar report
by
Athira V
Department of Computer Science And Engineering
Government Engineering College, Thrissur
December 2010



Abstract
Wireless sensor networks(WSN) consists of light weight nodes having the capabilities
of sensing, processing, storing, and communication. These networks can be deployed
in wide variety of applications that include both milita ....etc

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ppt of this seminar topic Green Noise Digital Halftoning With
Multiscale Error Diffusion
Yik-Hing Fung and Yuk-Hee Chan, Member, IEE ....etc

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bomb detection and diffusion robot ppt

Terrorism is a very actual problem. Although terrorist attacks came in succession from the early seventies and eighties, recent events have raised the technological scale and the dimension of the actions. High level of security is required and bomb-disposal experts are frequently exposed to risks in mission. The effects on the society are blameworthy. Media like television and radio tend to scare people;travels and flights become less attractive. This trend risks to flow into cultural and religious forms ....etc

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ppt on speckle noise reduction in ultrasound images using discrete wavelet transform with median and weiner filtering ....etc

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The safety of future manned missions to the moon and Mars hinges upon a proper understanding of how fires behave in outer space zero gravity/ micro gravity environments. Past studies have been limited to low oxygen concentrations and configurations in which the high velocity fuel enters an oxidizing atmosphere. However, one important fire scenario in outer space is a high velocity high oxygen oxidizer jet encountering fuel (an inverse flame configuration). This study focuses on flame shapes of oxygen- enhanced flames in inverse and normal diffu ....etc

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ANISOTROPIC FILTERING: AF, is a technique in 3d graphics to improve image quality in computer video games ....etc

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Hi Varalaxmi .. for color extended visual cryptography using error diffusion matlab code contact to this mail id .. [email protected] .. :) ....etc

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Myself BLACK,doing my Engineering final year in PSP college.For my final year project i am working Medical image processing field.Now i want ideas regarding the article Non local means speckle filtering of ultrasound images using Bayesian framework.I have attached the abstract of the project.

Abstract In image processing, restoration is expected to improve
the qualitative inspection of the image and the performance
of quantitative image analysis techniques. In this paper, an adaptation
of the nonlocal (NL)-means filter is proposed for ....etc

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