08 Notes - the same size unless you know the distance...

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Ames Window Illusion The window is actually going around but it appears t be oscillating Its an allusion because you make an assumption assuming it’s a rectangle and you couldn’t compare with reference points in the background The future building in new York The balconies look like they’re slanting but they’re not Our visual system assumes that a slight change in our viewpoint will not alter our view; we assume that our view no matter where we are would be the same. Outline can suggest shape What’s surrounding an object can suggest a different color etc We can create the allusion of altitude with a shadow Our visual perception acts in conjunction with sound, smell etc Sound may cause you to think you see something different o The beeping bars Morris Escher draws visual illusions Mecker cube If an object is made to look farther away, it will seem larger If you look at a small red marble up close and a big red bouncing ball far away they will be
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Unformatted text preview: the same size unless you know the distance between them • Emmert’s Law the perceived size of an afterimage is directly related to the apparent distance • The Opponent Process Theory – we have red blue and green tones in our brain. If you look at • The distance to the horizon we perceive is further than away than the distance up o Horizon moon appears farther away than the zenith moon • If two object are actually different distances away, but they are actually the same size, the one farther away is smaller. Cues for Perception 1. Accomodation a. Our cornea thins out for objects farther away and 2. Convergence a. When we look at objects further away 3. Retinal Disparity a. Each eye sees every different thing but they converge to b. 3 D movies are done with two lenses; they show two different pictures 4. Pictorial 5. Monocular...
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