Accuracy of transcribing locations on mammograms: implications for the user interface of a system to record and assess breast screening decisions

James W. Hatton; David S. Wooding; Alastair G. Gale; Kevin J. Purdy

doi:10.1117/12.480086

22 May 2003 Accuracy of transcribing locations on mammograms: implications for the user interface of a system to record and assess breast screening decisions

James W. Hatton, David S. Wooding, Alastair G. Gale, Kevin J. Purdy

Author Affiliations +

Proceedings Volume 5034, Medical Imaging 2003: Image Perception, Observer Performance, and Technology Assessment; (2003) https://doi.org/10.1117/12.480086
Event: Medical Imaging 2003, 2003, San Diego, California, United States

Abstract

A series of studies were carried out to determine the accuracy of transcribing feature locations in a 'reference’ mammogram to a scaled, and sometimes simplified 'copy’ of the same image. A computer monitor displayed two images of a mammogram. The reference image of the mammogram was presented at 256 colors (greyscale) and, adjacent to this, the copy image was presented with height and width scaled to 0.25, 0.50 or 0.75 of the original, and in one of four forms: blank image, outline, 16 colour palette, and 256 color palette. Participants were required to locate a target on the reference image and indicate its location on the copy image. Results demonstrated accuracy in transcription of target location increased with enhanced image detail and scale. Consequently, it is possible to determine which image characteristics are important in situations where a small representational image is used to record patient information, such as the user interface for a tablet device used to record breast screening decisions.

Citation Download Citation

James W. Hatton, David S. Wooding, Alastair G. Gale, and Kevin J. Purdy "Accuracy of transcribing locations on mammograms: implications for the user interface of a system to record and assess breast screening decisions", Proc. SPIE 5034, Medical Imaging 2003: Image Perception, Observer Performance, and Technology Assessment, (22 May 2003); https://doi.org/10.1117/12.480086

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