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- Maguire Jr., Gerald Q.
(författare)
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Picture Archiving and Communications Systems : Progress and Current Problems
- 1988
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Ingår i: Medical Images: Formation, Handling and Evaluation - Proceedings of the NATO Advanced Study Institute on the Formation, Handling and Evaluation of Medical Images. - : Springer-Verlag Berlin and Heidelberg GmbH & Co. K. - 9783540561316
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Bokkapitel (övrigt vetenskapligt/konstnärligt)
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- Noz, Marilyn E., et al.
(författare)
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Multimodality image display : Desirable frame buffer characteristics
- 1988
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Ingår i: Journal of medical systems. - : Springer Netherlands. - 0148-5598 .- 1573-689X. ; 12:4, s. 189-200
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Tidskriftsartikel (refereegranskat)abstract
- The intent of this paper is to understand the characteristics of those frame buffers currently used to display images, versus more ideal frame buffers for medical image display purposes. This study is based on current needs and what characteristics might be desirable. Two case examples are presented: (1) a system developed for high quality computer graphics and (2) a system developed for nuclear medicine and radiation therapy treatment planning. Our study considers: (1) defining a pixel depth sufficient to hold data, (2) the desirability of multiple color look-up tables, (3) how cine loops are managed, and (4) display memory size.
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- Noz, Marilyn E., et al.
(författare)
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QSH : a minimal but highly portable image display and handling toolkit
- 1988
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Ingår i: Computer Methods and Programs in Biomedicine. - : ELSEVIER SCI IRELAND LTD. - 0169-2607 .- 1872-7565. ; 27:3, s. 229-240
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Tidskriftsartikel (refereegranskat)abstract
- We describe a software system developed to handle images obtained from different sources, namely, computer-assisted tomography, positron emission tomography, single photon emission tomography and magnetic resonance imaging. In developing the system, it was necessary to address the following points. (1) The types of values that were encountered in both the header information and the pixel elements, namely, integers, floating point numbers, complex numbers and strings. (2) The use of domain-dependent sets of keys, that is, how to choose keys and how to stabilize the use of keys among the user population. This is, for example, how information such as the patient name, or the activity in becquerel is kept. It is necessary to keep both the key values and the units. (3) The development of a method for providing a database using flat files, i.e. linear text. (4) The maintenance of a history of values and operations. This is necessary in order to address the problem of determining from an image was produced. The connection between an image and how it was derived is analogous to describing how a secondary standard is derived from a primary one.
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