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

• Main Authors: Izabel Regina Fischer Rubira-Bullen (Author), Maurício Cunha Escarpinati (Author), Homero Schiabel (Author), Marcelo Andrade da Costa Vieira (Author), Fischer Rubira (Author), José Roberto Pereira Lauris (Author)
• Format: Book
• Published: University of São Paulo, 2006-12-01T00:00:00Z.
• Subjects: article
• Online Access: 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...