Computer Vision (M.EEC) Quiz

What is the Pinhole Camera Model valid for?

• Lenses with narrow aperture

• Lenses with short focal length

• Lenses with long focal length

• Lenses with wide aperture

What happens when the aperture size is increased in the Pinhole Camera Model?

• The image becomes brighter

• The image becomes darker

• The image becomes sharper

• The image becomes blurred

What is the distance between the focal point and the center of the lens called in the Thin-lens Model?

• Lens Distance

• Focal Distance

• Focal Length

• Optical Distance

What does the Lens Law describe in the Thin-lens Model?

• The relationship between focal length and aperture size

• The relationship between object and image distances

• The distance to the image

• The distance to the object

What is the Circle of Confusion dependent on in the Thin-lens Model?

• Distance of the Lens to the Image Plane

• Distance of the Focal Point to the Optical Center

• Distance of the Image Plane to the Focal Plane

• Distance of the Object to the Lens

What does the Perspective Projection provide a mathematical relationship for?

• Projection of 3D points onto a 4D plane

• Projection of 3D points onto a 2D plane

• Projection of 4D points onto a 3D plane

• Projection of 2D points onto a 3D plane

What does the Perspective Camera Model determine the pixel coordinates of?

• An image point

• A virtual point

• A camera point

• A world point

What are the three coordinate systems involved in the Perspective Camera Model?

• Camera, Lens, Image

• Camera, Sensor, Image

• World, Lens, Sensor

• World, Camera, Image

What does the Lens Distortion cause in the image plane?

• Blurring of the image

• Pixelation of the image

• Tilting and stretching

• Curvature of straight lines

What is the goal of Camera Calibration?

• To determine the camera parameters

• To determine the distortion coefficients

• To determine the image resolution

• To determine the focal length