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Gestalt Principles of Visual Perception

Gestalt Principles of Visual Perception. Gestalt – Movement in experimental psychology which began prior to WWI. We perceive objects as well-organized patterns rather than separate components. “The whole is greater than the sum of it’s parts.” Based on the concept of “grouping”.

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Gestalt Principles of Visual Perception

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  1. Gestalt Principles of Visual Perception

  2. Gestalt – Movement in experimental psychology which began prior to WWI. We perceive objects as well-organized patterns rather than separate components. “The whole is greater than the sum of it’s parts.” Based on the concept of “grouping”. Gestalt Principles of Visual Perception

  3. We impose visual organization on stimuli Gestalt Principles of Visual Perception W.E. Hill, 1915 German postcard, 1880

  4. Illusory Contours Gestalt Principles of Visual Perception The Kanisza triangle as figure-ground illusory contours

  5. Three Main Principles: Grouping (proximity, similarity, continuity, closure) Goodness of figures Figure/ground relationships Gestalt Principles of Visual Perception

  6. Gestalt Principles of Visual Perception Grouping: Law of Proximity

  7. Gestalt Principles of Visual Perception Grouping: Law of Similarity

  8. Gestalt Principles of Visual Perception Grouping: Law of Similarity: Shape, Scale, Color

  9. Gestalt Principles of Visual Perception Law of Good Continuation, or Continuity Objects arranged in either a straight line or a smooth curve tend to be seen as a unit.

  10. Gestalt Principles of Visual Perception Law of Closure

  11. Gestalt Principles of Visual Perception Law of Common Fate

  12. Gestalt Principles of Visual Perception Goodness of Figure, or the Law of Pragnanz (Pragnanz is German for Pregnant, but in the sense of pregnant with meaning, not with child!)

  13. Gestalt Principles of Visual Perception Figure/Ground relationships Figure – seen as the foreground Ground – seen as the background Contours – “belong” to the figure

  14. Gestalt Principles of Visual Perception Reversible Figure/Ground relationship

  15. Gestalt Principles of Visual Perception Reversible Figure/Ground relationship Can be affected by the principle of smallness: Smaller areas tend to be seen as figures against a larger background.

  16. Gestalt Principles of Visual Perception Reversible Figure/Ground Relationship: Tessellation – interlocking figure/ground M.C. Escher

  17. Gestalt Principles of Visual Perception • Gestalt laws of Grouping organize the visual scene into units • The Law of Pragnanz, or Goodness of Figure creates the simplest most meaningful pattern • Figure/Ground relationships define important parts of the scene

  18. Gestalt Principles of Visual Perception Problems with Gestalt theory: • It is a phenomenological approach • Some of the terms are vague (e.g. what is the “simplest” organization?)

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