Exam 6: Perceiving Depth

Shape-slant invariance means that the perceived shape of an object depends on its perceived:

What is the correspondence problem? Explain the different ways in which the visual system has evolved to solve the correspondence problem. How did Béla Julesz's work address this issue and help answer the question of whether object recognition occurs before or after matching corresponding parts of the retinal images?

The dynamic monocular depth cues are:

The types of oculomotor depth cues are:

When viewing a 3-D movie in a theater using 3-D glasses with polarized lenses:

When you first see the tabletop illusion figure in the text, it is clear that the long table is on the left and the wide table is on the right. However, the two tabletops are identical in shape and size-you can verify this by tracing one of the tabletops and then fitting the tracing over the other tabletop, which it will cover exactly. Illustrate: (A) What does this illusion tell you about the visual system? (B) Why is the illusion sustained, even when you know the tables are the same size?

The difference in the speed and direction with which objects appear to move in the retinal image as an observer moves within a scene provide the depth cue of:

Cues that provide information about depth on the basis of the position of objects in the retinal image, the size of objects in the retinal image, and the effects of lighting in the retinal image are called _____ depth cues.

Douglas looks at a large field of densely packed sunflowers. He notices that the heads of the sunflowers appear to get smaller the farther away they are from his eyes. The depth cue that Douglas perceives is called:

The process of gradual hiding of an object as it passes behind another one is called:

Which depth cue would you miss the MOST if you were poked in the eye and had to wear an eye patch for a week?

The size-distance relation states that the father away a(n):

The position-based depth cues are:

The oculomotor cues of accommodation and convergence provide information about depth based on information from the muscles that control the _____ and the _____.

Two cargo boxes fall off a train onto the railway track at a distance of 20 feet apart from one another. These two boxes are viewed together by Jim from a linear perspective. He interprets the tracks as two lines perpendicular to the line of sight and tilted symmetrically inward, rather than as two lines receding into the distance. According to the Ponzo illusion, which statement is MOST likely to be true?

Which statement BEST describes texture gradient that serves as a cue to depth?

During a recent trip to the airport, you notice a small plane standing at a few hundred yards away, which is lower in your field of view than a jet plane that is standing far in the distance. Explain whether this scenario contradicts the depth cue of relative height in an image.

Which technology has been developed to permit 3-D viewing on television, computer, or mobile phone displays without special glasses?

_____ is a position-based depth cue. In scenes where one object partially hides another object, this indicates that the former is closer than the latter.

The figure given below shows the tabletop illusion. It illustrates that the tabletop on the left is _____ the tabletop on the right.