Evaluating noise in digitized radiographic images by means of histogram Avaliação de ruído em imagens radiográficas digitalizadas por meio do histograma

• Hauptverfasser: Izabel Regina Fischer Rubira-Bullen (Verfasst von), Maurício Cunha Escarpinati (Verfasst von), Homero Schiabel (Verfasst von), Marcelo Andrade da Costa Vieira (Verfasst von), Fischer Rubira (Verfasst von), José Roberto Pereira Lauris (Verfasst von)
• Format: Buch
• Veröffentlicht: University of São Paulo, 2006-12-01T00:00:00Z.
• Schlagworte: article
• Online-Zugang: Connect to this object online.

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...