Quiz

You have now learned some important terms and notions in shape modelling. This quiz gives you the opportunity to spot any misunderstandings of concepts or definitions.

Question 1

According to our definition of shape, which of the following properties do not help us to decide if a shape belongs to a given shape family? Multiple answers are possible.

How a shape is rotated.

The proportions of the features that constitute a shape.

The size of a shape.

The location of a shape.

Question 2

Based on the classical definition of shape, how many shapes are in the family of square shapes?

Infinitely many

Question 3

Based on our own definition of shapes, how many shapes are in the family of square shapes?

Infinitely many

Question 4

Why don’t we filter out the size of a shape when we model biological shapes?

To increase the variability of our shape models.

To be able to model effects due to growth.

Question 5

How can we define shape families?

By learning shape characteristics from example shapes.

By defining a set of features that all the shapes must have.

By representing all shapes using the same number of points.