نتایج جستجو برای: degraded

تعداد نتایج: 26818  

2006
Anna PŘIBILOVÁ

A new three-hour lecture and a two-hour lab dealing with audio restoration have been introduced in the subject Audio Technology in the academic year 2005/2006 at the Department of Radio Electronics in Bratislava.

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2016
Daniela Hoeller Ivan Dikic

The proteasome is one of the major degradation machineries in eukaryotic cells. It terminates the existence of thousands of short-lived, damaged, misfolded or otherwise obsolete proteins and plays pivotal roles in protein quality control and other vital processes in the cell. However, very little has been known about the mechanisms that control and execute the destruction of the proteasome itse...

2013
Lindsay MacDonald Alejandro Giacometti Alberto Campagnolo Stuart Robson Tim Weyrich Melissa Terras Adam P. Gibson

Multispectral imaging was employed to collect data on the degradation of an 18 century parchment by a series of physical and chemical treatments. Each sample was photographed before and after treatment by a monochrome digital camera with 21 narrow-band filters, with the objective of assessing algorithms for recovery of text from the images. A template-matching technique was used to detect the c...

2013
Jennifer Kate Williams JENNIFER KATE WILLIAMS Jennifer Williams

JENNIFER KATE WILLIAMS The degradation of soil quality due to anthropogenic causes is globally important, both in terms of ecosystem services and ecological biodiversity. Soil quality reduction is stated to be detrimental for population densities and species diversity of soil invertebrates, including the mesofauna (Acari and Collembola). Within the soil food web, mesofauna occupy several trophi...

2015
N.Chandra Sekhar V.Purandhar Reddy

A Novel Degraded Video Enhancement N.Chandra Sekhar, V.Purandhar Reddy PG Student SVCE, Tirupati, India. Associate Professor, SVCE, Tirupati ,India. _________________________________________________________________________ ABSTRACT: We show an illustration based way to deal with general upgrade of degraded video frames. The technique depends on building a lexicon with non-debased parts of the V...

Journal: :Pattern Recognition 2006
Basilios Gatos Ioannis Pratikakis Stavros J. Perantonis

This paper presents a new adaptive approach for the binarization and enhancement of degraded documents. The proposed method does not require any parameter tuning by the user and can deal with degradations which occur due to shadows, non-uniform illumination, low contrast, large signal-dependent noise, smear and strain. We follow several distinct steps: a pre-processing procedure using a low-pas...

2015
Jyoti Rani Davinder Parkash

Document Image Binarization is performed in the preprocessing stage for document analysis and it aims to segment the foreground text from the document background. A fast and accurate document image binarization technique is important for the ensuing document image processing tasks such as optical character recognition (OCR) and Document Image Retrieval (DIR). This research area has been studied...

2016
Shruti Agarwal

Extremely low-quality images, on the order of 20 pixels in width, appear with frustrating frequency in many forensic investigations. Even advanced de-noising and super-resolution technologies are unable to extract useful information from such lowquality images. We show, however, that useful information is present in such highly degraded images. We also show that convolutional neural networks ca...

2013
Georgianne J. K. Griffiths

The potential of different field boundary types in lowland farmland to contribute to arthropod biodiversity and sustainable agriculture was investigated. Field boundaries, categorised according to nationally applicable definitions, were found to represent ecologically differing habitats based on their woody abundance and the frequency of young and mature emergent trees. These habitat characteri...

2007
C. W. Johnson

This paper presents the initial results from a study into the interaction between safety culture and degraded modes of operation in European Air Traffic Management (ATM). Degraded modes occur when operators struggle to maintain levels of service even though key elements of their infrastructure have failed. Safety culture can be simply described as ‘the way safety is done around here’ – emphasiz...

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