Perspective Imaging

and Problem Solving by Drawing

Hans Georg Schaathun

NTNU, Noregs Teknisk-Naturvitskaplege Universitet

August 2023

Before we watch the video proper, study the drawing on the right

Which of the three figures is the largest as measured on the image?

When you have thought it through, move to the next slide and start the player again.

Perspective Bias

In the video we will consider the vanishing point, and solve the following problem.

Show why parallel lines seem to disappear into a vanishing point in any perspective image.

Vanishing Point from Wikimedia Commons under CC BY-SA 3.0

Perspective Bias

Our brains intuitively understand perspective.