375 Mid-Term

Front 1

The human visual system is sensitive to light wavelengths in the range 4000-7000 angstroms (400-700nm)

Back 1

True

Front 2

The rods are the dim light photoreceptors in the retina

Back 2

True

Front 3

The cornea allows the eye to focus on objects at different distances

Back 3

False

Front 4

The eye is most sensitive to blue light in the center of the fovea

Back 4

False

Front 5

The choroid is the part of the eye that provides a blood supply to the photoreceptors in the retina

Back 5

True

Front 6

The bipolar cells of the retina connect directly to the optic nerve

Back 6

False

Front 7

When a photoreceptor cell captures a light photon it cause a shape change in a glutamate molecule

Back 7

False

Front 8

The term saccades refers to the large motion of the eyes

Back 8

True

Front 9

The luminance information from the eye is a sum of only the red and green photoreceptor information

Back 9

True

Front 10

The left side of the visual cortex of the brain only receives information from the left eye

Back 10

False

Front 11

The color gamut of most image display devices includes all of the colors the human vision system can see

Back 11

False

Front 12

The spatial resolution of a digital image is related to the number of samples forming the image

Back 12

True

Front 13

The color resolution of a digital image refers to the quantization of color values in the image

Back 13

True

Front 14

Huffman encoding is a lossy form of image compression

Back 14

False

Front 15

The theoretical analog image model defines image intensity at every location in an image

Back 15

True

Front 16

An image file header contains the image pixel data

Back 16

False

Front 17

A sentence fragment occurs when a sentence is incomplete because it is missing a subject or verb

Back 17

True

Front 18

The Hubble Space Telescope produces very high quality analog images

Back 18

False

Front 19

HDR images have a very wide range of possible pixel values

Back 19

True

Front 20

The RGB color space is used for digital television

Back 20

False

Front 21

Persuasion is one kind of power an image might have

Back 21

True

Front 22

In the reading assignment, looking discussed as "something that we do somewhat arbitrarily as we go about our daily lives"

Back 22

False

Front 23

As discussed, ideology is the means by which certain values are made to seem like natural, inevitable aspects of everyday life

Back 23

True

Front 24

It is argued in the reading that only digital image media involves technology

Back 24

False

Front 25

A circle with a diagonal line is an example of a signifier

Back 25

True

Front 26

As discussed, an icon is an image that refers to something outside its individual components that has great symbolic meaning for many people

Back 26

True

Front 27

The signifier is the culturally specific meaning of a sign

Back 27

False

Front 28

Connotative is discussed as the literal aspect of meaning in an image

Back 28

False

Front 29

As discussed, the myth of photographic truth is the perception that a photograph is an unmediated copy of the real world

Back 29

True

Front 30

Our interpretation of images does not depend on historical context or cultural knowledge

Back 30

False

Front 31

In academic writing, the last sentences of a paragraph is usually the topic sentence

Back 31

False

Front 32

A visualization of a speculative idea that presents the idea as fact is entirely ethical

Back 32

False

Front 33

The set of written and enforced laws is the same everywhere

Back 33

False

Front 34

Illegal activities are determined by the code of law as interpreted by the courts

Back 34

True

Front 35

The code of law is always alligned with your concepts of ethical behaivor

Back 35

False

Front 36

There is not universal agreement about what is ethical

Back 36

True

Front 37

Whether a given use of visualization is a good use is primarily determined by its monetary value

Back 37

False

Front 38

As discussed in one of the writing tutorials, comparison and place are categories of transitions

Back 38

True

Front 39

Visualization can be misleading due to poor choices in how data or concepts are presented

Back 39

True

Front 40

Because individuals have personal codes of ethics, professional groups such as the IEEE and ACM have not developed codes of ethics

Back 40

False

Front 41

For a uniform gray image, its frequency domain components all have the values 1.0 except for its zero frequency component

Given four adjacent pixels whose gray scale values are as follows:

P(11,6) = 9 P(11,7) = 13
P(12,6) = 13 P(12,7) = 17

Back 41

False

Front 42

The sub-pixel sample value at location [11.25, 6.25] would be 13 using nearest neighbor sub-pixel sampling

Back 42

False

Front 43

The sub-pixel sample value at location [11.25, 6.25] would be 13 using bi-linear interpolation sub-pixel sampling

Back 43

True

Front 44

When applying geometric image operations, the order of applying the operations does not matter

Back 44

False

Front 45

JPEG image compression involves transforming spatial image information into a corresponding frequency domain representation

Back 45

True

Front 46

Image morphing involves both image warping and image compositing

Back 46

True

Front 47

Color correction is an example of a neighborhood operation

Back 47

False

Front 48

It is possible to compute the mean value of an image using only its histogram data

Back 48

True

Front 49

Not all image point operations are reversible

Back 49

True

Front 50

Image blurring is an example of an image point operation

Back 50

False

Front 51

The term scale is used to describe relative size

Back 51

False

Front 52

A large image element close to the image center can be balanced by a smaller image element placed near the image edge

Back 52

True

Front 53

In an image with primarily one kind of shape, a different kind of shape becomes a point of emphasis

Back 53

True

Front 54

In creating well-crafted images, negative spaces are not given much consideration

Back 54

False

Front 55

A psychic line is not seen, but is felt as a mental connection between two image elements

Back 55

True

Front 56

A visual element in a busy scene will feel equally important as the same visual element in a simple scene

Back 56

False