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EVALUATING NOISE IN DIGITIZED RADIOGRAPHIC IMAGES BY MEANS OF HISTOGRAM
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...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Faculdade de Odontologia de Bauru da Universidade de São Paulo
2006
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4327292/ https://www.ncbi.nlm.nih.gov/pubmed/19089240 http://dx.doi.org/10.1590/S1678-77572006000600005 |