Visual Perception.

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Presentation transcript:

Visual Perception

1. Reception Let’s review  Stimulus Cornea Vitreous Humour Pupil Lens Aqueous Humour Lens Iris Optic nerve Ciliary Muscles Retina Sclera 1. Reception

2. Transduction Rods Cones Electromagnetic energy (light) Photochemical a.k.a. electrochemical energy (signal) 2. Transduction

Photochemical a.k.a. electrochemical energy (signal) 3. Transmission

4. Organisation and Interpretation

Visual perception principles Usually used automatically with no conscious effort, but sometimes used intentionally (on purpose) by artists, designers, and advertisers! (Play video)

1. Gestalt Principles 1. Figure-ground organisation 2. Closure Organise features of a visual scene by grouping them to perceive a whole, complete form in the simplest possible way. 1. Figure-ground organisation 2. Closure 3. Similarity 4. Proximity

1. Figure-ground organisation

Ambiguous/Reversible figure

Camoflage

2. Closure

3. Similarity

3. Similarity

4. Proximity (or nearness)

4. Proximity (or nearness)

Let’s revise again! Gestalt Principles Organize features of a visual scene by grouping them to perceive a whole, complete form in the simplest possible way. 1. Figure-ground organization 2. Closure 3. Similarity 4. Proximity