Uji Banding Citra Film Terhadap Computed Radiography (CR)
Main Article Content
Abstract
dengan film melalui pengolahan citra dari keluaran pesawat computed radiography
(CR) menggunakan pengolahan citra digital. Dari nilai densitas yang dihasilkan
pada CR tampak pada grafik menunjukkan CR lebih linier dibandingkan film. Pada
penggunaan faktor eksposi dengan tegangan 80kV 20 mAs CR masih bisa
mengkonstruksi citra sedangkan pada film sudah tidak mengkonstruksi citra dengan
OD lebih dari 3,52. Penggunaan faktor eksposi dengan tegangan tetap menghasilkan
nilai deviasi menurun pada setiap step, untuk penggunaan arus tetap nilai deviasi
mengalami kenaikan. Pada kondisi tinggi film radiografi sudah tidak bisa
mengkonstruksi densitas citra.
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