CALO PAD Preparation Materials

1
Video Processing

• Steps
• Face Detection
• Activity Recognition
• Agenda Participation

t
t 1
t 2

2
MGIST Log File

• Format
• Each entry is a category, type, name, value tuple
• Log file starts with meeting and person
  immutables
• Then lists meeting and person mutables
• Mutables in frame-by-frame format

• Features
• Schema-based
• Extensible
• Modular

3
MGIST Query Language

• Features of the Language
• Definable Variables
• Definable, Re-usable Functions
• Supports Combined Queries

• Example Usage
• Get all frames where Paul is standing in the last
  2 minutes of the meeting.

Function Input
Define Variable
Define Function
Use Pre-Defined Variable
Run Query
Query Combination
4
MGIST Queries in Action
ltinsert video of selecting a person standing via
GUIgt
ltinsert video of query involving agenda via GUIgt
ltinsert video of combination query via text filegt