What is ideal observer?

Some articles on ideal observer, ideal, observer, ideal observers:

Ideal Observer Analysis
... Ideal observer analysis is a method for investigating how information is processed in a perceptual system ... The ideal observer is a theoretical system that performs a specific task in an optimal way ... is uncertainty in the task, then perfect performance is impossible and the ideal observer will make errors ...
Issues in Consequentialism - Action Guidance - The Ideal Observer
... of consequentialism, is to employ an ideal, neutral observer from which moral judgements can be made ... relies on the perspective of such an ideal observer ... The particular characteristics of this ideal observer can vary from an omniscient observer, who would grasp all the consequences of any action, to an ideally informed observer, who knows as much as ...
Ideal Observer Analysis - Definition
... reworded) The central concept in ideal observer analysis is the ideal observer, a theoretical device that performs a given task in an optimal fashion given the available information and some specified ... This is not to say that ideal observers perform without error, but rather that they perform at the physical limit of what is possible in the situation ... The fundamental role of uncertainty and noise implies that ideal observers must be defined in probabilistic (statistical) terms ...

Famous quotes containing the words observer and/or ideal:

    History, as an entirety, could only exist in the eyes of an observer outside it and outside the world. History only exists, in the final analysis, for God.
    Albert Camus (1913–1960)

    The air was so elastic and crystalline that it had the same effect on the landscape that a glass has on a picture, to give it an ideal remoteness and perfection.
    Henry David Thoreau (1817–1862)