ITEC2110 Fall 2009 Test 3 Topics, Dr. Jim Rowan
Interlacing, what it is and the problems that are associated with it.
Raster scan and its TV legacy.
Fusion frequency, what it is and what affects it
Graceful degradation, what it is and how it might present itself
Analog broadcast TV standards NTSC and PAL
How are they different?
How are they the same?
Who uses them?
Aspect ratio
Video compression
where can it happen?
What are the affects of where it is done?
When is hardware compression advantageous?
When is software compression advantageous?
Differences in webcams and minDV cameras
Differences in analog and digital video signals
What is streaming video?
Differences in video and film.
Conversion of film to video.
What is 3-2 (or 2-3) pulldown and how does it address conversion problems?
What ways can you compress the size of a video stream?
Video compression and human vision.
What are the two compression techniques that take advantage of human vision
characteristics and what do they take advantage of?
What are two compression techniques that treat the video stream like either individual
images or images in a sequence?
What is image differencing?
How do keyframes fit into the compression of video?
What is chrominance subsampling?
What is the difference in the different chrominance subsampling techniques?
How can algebra play a role in compression of video?
What is a codec and what is the difference in asymmetric and symmetric codecs?
What does MPEG-4 do to allow the use of the most advantageous compression?
What are Cinepak, Intel Indeo and Sorenson compression techniques and what are their
advantages and disadvantages?
When it comes to video, what is a code book?
How does a code book reduce the video stream?
What is a plugin and what does it allow or do?
What are 4 different animation techniques?
Compare and contrast cell animation, cutout animation, 3D physical model animation and
3D computer model animation.
Cite examples of each type of animation.
How do key frames play a part in cell animation?
What is interpolation?
What is the difference in linear and quadratic interpolation?
What is motion capture and what is it used for?
What is total immersive VR and how does it compare to Quicktime VR or VRML?