Lecture 2 - Images Flashcards
Is an artifact that depicts or records visual
perception and represents information that needs to
be seen and perceived.
Image
Latin word is IMAGO
Two Types of image are…?
Raster image and Vector graphic
-typically are like photograph,which
are captured by cameras, sensors and
others.
-It reflects the real-world scene.
-Is composed of colored
squares called pixels or picture element
Raster
The ____ describes how clear the image appears on screen or in print.
Image Resolution and Quality
PPI stands for…?
Pixels per inch
DPI stands for…?
Dots per inch
____ changing the size of an image without
affecting the total no.of pixels or resolution of
an image.
Scaling
Changing the size of an image by removing a particular amount of pixels
Resizing
JPEG stands for…?
Joint Photographic Experts Group
PNG stands for…?
Portable Network Graphics
GIF stands for…?
Graphics Interchange Format
PSD stands for…?
Photoshop Document
Give some popular raster image editing software
(possible question)
- Microsoft Paint
- Adobe Photoshop
- Corel Photo-Paint
- Corel Paint Shop Pro
-
GIMP (GNU Image Manipulation
Program)
-comprised of objects such as shapes,
lines, ovals and curves.
-depicts a digitally created image
-comprised of objects such as shapes,
lines, ovals and curves.
Vector Graphic
The most common Vector graphic formats
include…?
- AI (Adobe Illustrator File)
- SVG (Scalable Vector Graphic)