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FEASIBLE (I): The PC software package for feature evaluation and system inspection by logged experiments
J P de Valk1, F P Ottes, G W Seeley
1BAZIS, Central Development and Support Group Hospital Information System, Leiden University Hospital, The Netherlands.
Medical Informatics = Medecine Et Informatique
|October 1, 1988
Summary
FEASIBLE is a software package for evaluating Picture Archiving and Communication System (PACS) components and diagnostic image quality. It enables users to design, execute, and analyze psychophysical studies using Receiver Operating Characteristic (ROC) analysis.
Area of Science:
- Medical Imaging
- Radiology Informatics
- Psychophysics
Background:
- Picture Archiving and Communication System (PACS) components require rigorous evaluation.
- Assessing diagnostic image quality is crucial for clinical accuracy.
- Image manipulation and representation techniques impact diagnostic performance.
Purpose of the Study:
- Introduce FEASIBLE, an MS-DOS software package for evaluating PACS components, diagnostic image quality, and image manipulation techniques.
- Provide a tool for designing, executing, and statistically analyzing psychophysical studies.
- Facilitate the use of Receiver Operating Characteristic (ROC) analysis for evaluating diagnostic performance.
Main Methods:
- The FEASIBLE software package comprises three modules: DESIGN, EXECUTION, and STATISTICS.
- DESIGN module facilitates experiment setup.
- EXECUTION module runs experimental sessions, and STATISTICS module performs data analysis, including ROC curve calculations.
Main Results:
- FEASIBLE supports the detailed design of psychophysical studies.
- The software allows for the execution of numerous experimental sessions.
- Statistical analysis, including ROC curve generation and parameter calculation, is provided with graphical output.
Conclusions:
- FEASIBLE offers a comprehensive solution for evaluating medical imaging systems and techniques.
- The software is designed for both experts and novices in psychophysical experimentation.
- Version 1.2 (May 1988) of FEASIBLE provides robust capabilities for research in diagnostic imaging.