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  1. 1. UNIT 1<br />IMAGE<br />
  2. 2. PERCEPTION<br />We call perception the act of perceiving, in order to know things through the senses.<br />Máscaras venecianas<br />
  3. 3. VISUAL PERCEPTION BASIC PRICIPLES <br />Visual perception is the ability to interpret information and surroundings from the effects of visible light reaching the eye.<br />Seeingis a merephysiologicalact<br />In the world of visual art is very important to learn to observe, pay attention. The more we see the reality, the more information we get.<br />
  4. 4. VISUAL PERCEPTION THEORIES AND LAWS <br />The Gestalt Laws of Organization have guided the study of how people perceive visual components as organized patterns or wholes, instead of many different parts.<br />Gestalt psychologists argued that these principles exist because the mind has an innate disposition to perceive patterns in the stimulus based on certain rules.<br />
  5. 5. VISUAL PERCEPTION THEORIES AND LAWS <br />The key principles of Gestalt systems are emergence, reification, multistabilityand invariance.<br />
  6. 6. VISUAL PERCEPTION THEORIES AND LAWS <br />Reification is the constructive or generative aspect of perception, by which the experienced <br />percept contains <br />more explicit <br />spatial <br />information than <br />the sensory <br />stimulus on which <br />it is based.<br />
  7. 7. VISUAL PERCEPTION THEORIES AND LAWS <br />Multistability: is a system property. It refers to systems that are neither stable nor totally instable, but that alternates between two or more mutually exclusive states over time.<br />
  8. 8. VISUAL PERCEPTION THEORIES AND LAWS <br />The Gestalt of Figure/Ground Relationships<br />
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  11. 11. VISUAL PERCEPTION THEORIES AND LAWS <br />These principles are organized into six categories: Proximity, Similarity, Closure, Good Continuation, Common Fate, and Good Form.<br />
  12. 12. VISUAL PERCEPTION THEORIES AND LAWS <br />The principle of proximity states that, all else being equal, perception tends to group stimuli that are close together as part of the same object, and stimuli that are far apart as two separate objects.<br />
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  16. 16. VISUAL PERCEPTION THEORIES AND LAWS <br />Law of Similarity: the mind groups similar elements into collective entities or totalities. This similarity might depend on relationships of form, color, size, or brightness.<br />
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  19. 19. VISUAL PERCEPTION THEORIES AND LAWS <br />The principle of closure refers to the mind’s tendency to see complete figures or forms even if a picture is incomplete, partially hidden by other objects, or if part of the information needed to make a complete picture in our minds is missing.<br />
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  23. 23. VISUAL PERCEPTION THEORIES AND LAWS <br />Good continuation: When there is an intersection between two or more objects, people tend to perceive each object as a single uninterrupted one. <br />
  24. 24. VISUAL PERCEPTION THEORIES AND LAWS <br />Common fate: when visual elements are seen moving in the same direction at the same rate, perception associates the movement as part of the same stimulus. <br />
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  27. 27. VISUAL PERCEPTION THEORIES AND LAWS <br />Good form: the principle of good form refers to the tendency to group together forms of similar shape, pattern, color, etc.<br />
  28. 28. VISUAL PERCEPTION THEORIES AND LAWS <br />Past experience: this means that past experience and context have an effect of how we interpret and group elements. <br />
  29. 29. VISUAL PERCEPTION THEORIES AND LAWS <br />Optical Illusions: An optical illusion (also called a visual illusion) is characterized by visually perceived images that differ from objective reality.<br />

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