Evaluating noise in digitized radiographic images by means of histogram Avaliação de ruído em imagens radiográficas digitalizadas por meio do histograma
To evaluate the performance of three digital devices regarding the noise added to digital radiographic images containing different optical densities. METHODS: A radiographic image was digitized repeatedly ten times using two scanners (HP 4c/T and HP 5370C) and a digital camera (Nikon 990). A histogr...
Main Authors: | , , , , , |
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Format: | Article |
Language: | English |
Published: |
University of São Paulo
2006-12-01
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Series: | Journal of Applied Oral Science |
Subjects: | |
Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-77572006000600005 |