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COMP0137 - Machine Vision
LEVEL: : Undergraduate (Masters Level) / Postgraduate
DATE : 11/05/2021
TIME : 10:00
This paper is suitable for candidates who attended classes for this
module in the following academic year(s):
Year
2020/21
Additional material
N/A
Special instructions
N/A
Exam paper word
count
N/A
TURN OVER
Machine Vision 1 TURN OVER
UCL Computer Science
Examination paper
Paper details
Academic year: 2020/21
Module title: Machine Vision
Module code: COMP0137
Exam period: Main summer examination period
Duration: 24 hours
Deliveries for
which intended:
A7P (taught postgraduate, level 7)
A7U (undergraduate, level 7)
Cohorts for
which intended:
2020/21; 2019/20
Instructions
You must answer ALL questions on ALL pages of this assignment.
A maximum of 100 marks is available. The marks available for each part of each question
are indicated in square brackets [n].
Submit your answers online through Moodle. Unless specified, you do not need to show
your work.
Machine Vision 2 CONTINUED
Section A: A Graphical Model
1. There is a Markov Model pictured below. Each discrete variable is illustrated to
show what values are possible. A "configuration" is a specific combination, where
each xi is in a specific state, for i=1..5. The unary costs, pairwise costs, and triplet
costs for each variable or combination of variables are specified in the tables
provided.
All variables are discreet, but they do not all have the same number of possible
states. For example, variable X1 can be “A” or “B”, while X2 can be “C”, “D”, or “E”.