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Pennyweight

Known as: dwt, pwt 
The non-SI unit of mass equal to 24 grains, 1/20 Troy ounce or approximately 1.5552 gram.
National Institutes of Health

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2016
2016
IMPORTANCE OF DWT IN DESPECKLING SAR IMAGES AND EXPERIMENTALLY ANALYZING THE WAVELET BASED THRESHOLDING TECHNIQUES
Speckle noise is a ‘granular pattern’ special kind of multiplicative noise mainly found in the SAR images and medical images such… 
2014
2014
Blind Medical Image Watermarking with LWT – SVD for Telemedicine Applications
This paper highlights the extension of dwt-svd based image watermarking to medical images. In recent times internet has become a… 
2013
2013
Modified Algorithm for Digital Image Watermarking Using Combined DCT and DWT
Digital Image Watermarking embeds identifying information in an image, in such a manner that it cannot easily be removed. In… 
2013
2013
A Modified Secure Digital Image Steganography Based on Dwt Using Matrix Rotation Method
Steganography, the secret image is embedded in the cover image and transmitted in such a way that the existence of information is… 
2012
2012
Comparision of Dct and Dwt of Image Compression Techniques
Multimedia data requires considerable storage capacity and transmission bandwidth. The data are in the form of graphics, audio… 
2012
2012
Removal of cyclic prefix in Adaptive Non-Contiguous OFDM for Dynamic Spectrum Access using DWT and WT
Spectrum has valuable resource in wireless communication. In wireless communication some spectrum is waste due to uses of cyclic… 
2011
2011
A NOVEL SECURE, IMPERCEPTIBLE AND ROBUST CDMA DIGITAL IMAGE WATERMARKING IN JPEG-YCBCR CHANNEL USING DWT2
Digital watermarking has been widely used in digital rights management and copyright protection. In this paper, a new… 
2004
2004
Human Visual System Models in Digital Image Watermarking
In this paper some Human Visual System (HVS) models used in digital image watermarking are presented. Four different HVS models… 
1999
1999
Attenuation of myocardial stunning by the AT1 receptor antagonist candesartan
Abstract The effect of AT1 receptor blockade on myocardial stunning is still somewhat ambiguous. In some prior studies, coronary… 
1987
1987
Growth and production of the amphipod Parhyale basrensis (Talitridae) in the Shatt al-Arab region
Life history data for the intertidal amphipod Parhyale basrensis Salman was collected, from April 1983 to September 1984, from an… 
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