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Quarter 1: Empowerment Technologies > Lesson 7.5. Raster Images and Image Manipulation Techniques > Flashcards

Lesson 7.5. Raster Images and Image Manipulation Techniques Flashcards

1
Q

a single point or the
smallest single element in a display
device.

A

pixel

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2
Q

images are made of
pixels.

A

Raster Images/Graphics

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3
Q
  • Formed by a digital camera
  • Measured in picture elements or
    “pixels”
A

Raster Graphics

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4
Q

Used for most digital
photos but “lossy”
(gradually losses quality
when resized or
manipulated).

A

jpeg

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5
Q

jpeg stands for

A

Joint Photographic Experts Group

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6
Q

Best for line
drawings and
animations. 256
colors maximum.
No loss

A

gif

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7
Q

gif stands for

A

graphics interchange format

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8
Q

gif vs jpg

A
  • for images, jpg is better for quality and file size
  • for line art, gif is better both for quality and file size
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9
Q

Other Common Raster Image Formats

A

bmp, tif, png, raw

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10
Q

bmp stands for

A

bitmap

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11
Q

every pixel stored individually

A

bmp

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12
Q

Standard in many technical applications. No loss

A

tif

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13
Q

tif stands for

A

Tag Image File Format

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14
Q

Lossless image format

A

png

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15
Q

png stands for

A

Portable Network Graphics

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16
Q

Data as captured by digital camera, particularly
DSLR camera.

A

raw

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17
Q

DSLR stands for

A

digital single lens reflex

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18
Q

five popular raster graphic software

A

microsoft paint, adobe photoshop, corel photopaint, pixlr, gimp

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19
Q

open source software similar to Adobe
Photoshop

A

Gimp

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20
Q

are created from
mathematical formulas used to
define lines, shapes and curves.

A

vector graphics

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21
Q

drawing points; square points on line/curved objects

A

node

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22
Q

blue line when drawing vector graphics

A

handle

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23
Q

vector graphics are edited in

A

draw programs

24
Q

uses of vectors

A

graphics that will be scaled/resized, cartoons and clipart, graphics on websites, and fonts/specialized text effects

25
Q

what are examples of graphics that will be scaled or resized

A

architectural drawings/CAD programs, flow charts and logos

26
Q

why do we use vector graphics on websites?

A

because they have very small file sizes, which allows them to load quickly

27
Q

what are the disadvantages of vectors

A

lower color quality, does not support as many colors, not good for photographic images

28
Q

common vector file formats

A

SVG, CDR, DXF, and WMF

29
Q

SVG stands for

A

scalable vector graphics

30
Q

Standard format created by W3C, Versatile, all-purpose vector format

A

SVG

31
Q

CDR stands for

A

Corel Draw

Corel Draw Vector Drawing File

32
Q

DXF stands for

A

Drawing Exchange Format

33
Q

vectors made in AutoCAD

A

DXF

34
Q

file extension for vector graphics made in CorelDraw

A

CDR

35
Q

WMF stands for

A

Windows Metafile

36
Q

old vector image format designed by microsoft in the early 1990s

A

WMF

37
Q

examples of popular vector graphic software

A

Adobe Illustrator, CorelDraw, AutoCAD, Inkscape, Xara Xtreme

38
Q

open source software similar to Adobe Illustrator.

A

Inkscape

39
Q

what makes vectors different from raster

A

good for preserving sharpness after rescaling, not good for natural scenes, hard to construct

40
Q

what makes raster different from vector

A

does not preserve sharpness after resizing, good for natural scenes, easy to construct

41
Q

Common Vector File Formats

A

AI and EPS

42
Q

vector file format

AI stands for

A

adobe illustrator

43
Q

EPS stands for

A

encapsulated postscript

44
Q
  • Industry standard used by developers of vector
    graphics.
  • Used to create, save, and archive original artwork.
A

AI

45
Q
  • Meta Graphic
  • Graphics developers generally save a copy of the AI
    file in EPS format because it can be opened by
    computers running different operating systems.
  • Preferred format for vendors/clients who use the
    graphics in publications due to its portability.
A

EPS

46
Q

3 image manipulation principles

A
  1. choose the right file format
  2. choose the right image size
  3. caption it
47
Q

Cutting
parts away to remove
distracting or
irrelevant elements.

A

cropping

48
Q

The ambience and
the tone of light of
the picture (ex.
Warm or cool
light)

A

color balance

49
Q

One of the
most basic techniques
in image editing,
making the image
darker or lighter.

A

brightness and contrast

50
Q

The higher
the quality and the
larger the photo is,
the bigger the file
size of the picture is.

A

compression and resizing

51
Q

Making the
image look sketched,
grainy, classic black
and white or even let it
have neon colors. This
gives your image a
twist from its original
look.

A

filters

52
Q

Copying or duplicating a part of an
image.

A

cloning

53
Q

Adding background
to make your
image stand out.

A

changing the background

54
Q

Removing
certain colors in
your image or
desaturating the
color of the image.

A

removing the color

55
Q

Adding multiple
elements in your
layout.

A

combining text, graphics, and image

Quarter 1: Empowerment Technologies (9 decks)

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