18 Questions
What is the term for the circle formed by light rays from P in the image plane?
Circle of least confusion
What is the aberration caused by the dependency of the index of refraction on wavelength?
Chromatic aberration
What type of distortion is shown in figure (a)?
Barrel distortion
What is the purpose of multi-lens arrangements in optical systems?
To minimize aberrations
What is the term for the blocking of light rays by appertures of different lenses?
Vignetting
What is the field of view of the fish-eye lens shown in figure (c)?
Almost 180 degrees
What is the primary objective of Image Acquisition?
To map a 3-dimensional scene onto a 2-dimensional digital image
What is the process of converting a continuous signal into a discrete signal called?
Digitization
Which type of radiation is used in medical X-ray imaging?
X-ray radiation
What is the process of projecting radiation from a 3-dimensional scene onto a 2-dimensional image plane called?
Image Formation
What is the process of measuring incident radiation at discrete points on the image plane called?
Sampling
What is the result of the Digitization process in Image Acquisition?
A digital signal
What is the primary factor that determines the spectral composition of illumination?
The illumination sources and absorption by object surfaces
What is the result of the varying spectral composition of visible light on the human visual system?
The sensation of color
What is the process of projecting an image of a 3-dimensional scene onto a 2-dimensional image plane called?
Image formation
What will you see when you hold the box with a pinhole in front of you in a dimly lit room, with the pinhole facing a light source?
An inverted image of the light source
What is the role of the object surfaces in the spectral composition of illumination?
They absorb specific parts of the spectrum
What is the relationship between the spectral composition of light and perceived color?
There is a complex relationship between the two
Understand the fundamentals of machine vision, including image acquisition and the process of mapping a 3D scene onto a 2D digital image. Learn about the principles of image projection and its applications in computer vision. This quiz is based on the course material from TU Dortmund University.
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