Signal detection in a lumpy background: Effects of providing more information to the human than just the raw data

B. D. Gallas, H. H. Barrett

Research output: Contribution to journalConference article


The standard two-alternative forced-choice experiment was modified to provide human observers more information. Human performance were tested in a variety of images classes with the standard and with the modified experiments. There was a significant human performance increase from the standard to the modified experiment.

Original languageEnglish (US)
Pages (from-to)264-272
Number of pages9
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - Jan 1 1999
EventProceedings of the 1999 Medical Imaging - Image Perception and Performance - San Diego, CA, USA
Duration: Feb 24 1999Feb 25 1999


ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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