Hybrid System For High Resolution Digital Video Densitometry

W. W. Roeck; O. Nalcioglu; J. A. Seibert

doi:10.1117/12.933029

4 November 1981 Hybrid System For High Resolution Digital Video Densitometry

W. W. Roeck, O. Nalcioglu, J. A. Seibert

Proceedings Volume 0314, Digital Radiography; (1981) https://doi.org/10.1117/12.933029
Event: Conference on Digital Radiography, 1981, Palo Alto, United States

Abstract

A high resolution hybrid system for video densitometry is introduced. The system utilizes 100 mm spot films taken directly from the output phosphor of an image intensifier. These images are magnified using a zoom lens and subsequently digitized by means of a Plumbicon TV camera and a Quantex DS-30 video image processor. The zoomed images are digitized in a 512x512 format with 8 bits/pixel. These images are then transferred into a Data General NOVA 3 computer for video densitometric analysis. The limiting resolution of the system is the resolution at the output phosphor of the image intensifier. Experimental results using phantoms to evaluate the hybrid system's ability to quantitate percentage stenosis are presented.

Citation Download Citation

W. W. Roeck, O. Nalcioglu, and J. A. Seibert "Hybrid System For High Resolution Digital Video Densitometry", Proc. SPIE 0314, Digital Radiography, (4 November 1981); https://doi.org/10.1117/12.933029

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available