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Translators convert a program from one language to another, and are used to solve a wide range of problems, such as the construction of compilers, optimizers, and preprocessors. Although many tools support the creation of translators, these tools do not provide integrated support for debugging the translator or the output of the translator. This(More)
PURPOSE Interpretation time of serial staging chest CT cases, which each contained current and previous examinations, with a simple prototype workstation called filmstack was experimentally compared with interpretation time with a film alternator. MATERIALS AND METHODS The filmstack displayed a "stack" of sections for each examination; user controls(More)
A prototype single-screen workstation with a 2,048 x 2,560-pixel high-brightness monitor, 0.11-second image display time, and simple ergonomic design was compared to a conventional horizontal film alternator in diagnostic interpretation of chest computed tomography (CT) studies. Four radiologists used either the workstation or film alternator in(More)
A considerable number of prototype and commerical workstations have been developed during the last 10 years for electronic display of computed tomographic (CT) images during clinical interpretation. These CT workstations have varied widely in the number and size of monitors available for the display of the medical images ranging from a single(More)
Electronic work stations are becoming a standard means of presenting medical images for diagnosis and consultation, and they will become more wide-spread as picture archiving and communication systems (PACS) come into use. These work stations must allow the user both to perceive the patterns necessary for accurate diagnosis and to “navigate” efficiently(More)
Understanding the scan patterns radiologists use to view medical images is critical to the design of image viewing devices. In this study, and eyetracker, a device for recording eye and head movement, was used to determine the scan patterns during the interpretation of single and multiple computed tomographic (CT) examinations presented on a four-over-four(More)
An ergonomically simple prototype workstation with two 900×1,100-pixel monitors capable of displaying eight full-resolution computed tomography (CT) images in 0.2 seconds, was compared with film for interpretation of computed tomographic images of the chest and abdomen. The hardware platform for this workstation cost less than $11,500 in 1993. A(More)
Digital mammography can potentially improve mammography image and interpretation quality. On-line interpretation from a workstation may improve interpretation logistics and increase availability of comparison images. Interpretation of eight 4k- × 5k-pixel mammograms on two to four 2k- × 2.5k-pixel monitors is problematic because of the time spent in(More)