SIGGRAPH 96
Courses

20. Introduction to Digital Compositing

Half Day / Beginning


This course covers the basic terms and processes required to understand compositing, particularly as it applies to a production environment. It details the basic operations used to combine multiple image elements into a single seamless image or image sequence, including how to prepare and repair elements, and what is needed for a clean final composite.

Who Should Attend
Anyone who needs to create an image or sequence of images that contains elements from different sources. The course is presented from a production viewpoint, but the concepts apply to graphic design, engineering, scientific visualization, and fine art.

Organizer
Ron Brinkmann
Sony Pictures Imageworks

Lecturers
Gary Jackemuk
Digital Domain

Jerome Chen
Sony Pictures Imageworks


Schedule

8:30 am: Introduction - Brinkmann

Montage of composites we have worked on and example of a BAD composite.

8:45 am: Explanation of what is a composite - All

Basic terms, definitions, and tools used.

9:00 am: Discussion of image formats and storage - Brinkmann

RGB(A) images, Bit depth, 8 vs 16 bit
linear vs log data space, image input devices

9:15 am: Single Image operator processes - All

Color changes and corrections
Gamma changes, Blurring, Transformations, etc.

10:00 am: Break

10:15 am: Dual Image Operator processes - All

Dissolves, blends, mixes
Using the matte: over, add, in/out, etc.

11:00 am: Matte generations - All

Bluescreens & Greenscreens
Difference & Garbage mattes
Matte paintings

11:30 am: Tracking and stabalizing - Jackemuk

11:45 am: Example of a good comp, using techniques learned - Brinkmann/Chen

12:00 noon: Question session - All


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Final SIGGRAPH 96 Web site update: 25 October 1996.
For complete information on the next conference and exhibition, see: http/www.siggraph.org/s97/