Visualization systems
Optronic systems design

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E4075 V1 Article

Visualization systems


Optronic systems design

Author : Jean-Louis MEYZONNETTE

Publication date: May 10, 1998, Review date: August 30, 2021 | Lire en français

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4. Visualization systems

4.1 Reminders on visual observation

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4.1.1 Visual contrast

A human observer visually apprehends the surrounding world from the luminance, color and shape of objects. There are several levels of visual observation, depending on the level of detail the eye can detect in an object. Traditionally, we distinguish between the stages of detection, simply awareness of the presence of the object (whose exact nature may not be defined), recognition and identification, which correspond to increasingly precise knowledge of the object....

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