Encyclopedia of Color Science and Technology

Living Edition
| Editors: Ronnier Luo

Color and Visual Search, Color Singletons

Living reference work entry
DOI: https://doi.org/10.1007/978-3-642-27851-8_82-1

Synonyms

Definition

Visual search is a task involving the detection of a unique item within a multi-item display.

Characteristics of the Visual Search Paradigm

In a visual search task, the item that is being searched for is known as the target; other items are known as distractors. Figure 1 presents an example of visual search displays, containing a target item and varying numbers of distractor items. The total number of items in the display is known as set size. Items in a search display can differ along various feature dimensions, for example, color, orientation, or shape. If items in a visual search task vary along a single dimension such as color, the observer may be looking for a target of a specific hue (e.g., red) in a set of different hue distractors. This is known as feature search. In the case of feature search, distractors can be heterogeneous – varying in hue – or homogeneous – all of them the same hue (e.g., blue, as in the example in Fig. 1a). If all the...

Keywords

Visual Search Visual Search Task Search Display Color Singleton Conjunction Search 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  1. 1.School of PsychologyUniversity of AberdeenAberdeenUK