Essential Photogrammetry and Imaging Facts

Photogrammetry and Imaging Fundamentals

• Photography is a complete representation of an object that provides metric information. False.
• Photogrammetry allows us to reconstruct a three-dimensional model from a photograph of an object. False.
• To perform photogrammetric restitution, it is necessary to orient photographs to their position at the time of the shot. True.
• A photogrammetric document provides qualitative exploitation. True.
• Photogrammetry is a method suitable for small tracts of land. False.
• To perform photogrammetric restitution, it is necessary to have a photograph of the object to be restituted. False.
• The ideal photogrammetric camera is one that allows the continuous and accurate capture of an image. False.

Camera and Image Quality

• The aerial metric camera is a conventional camera from which internal orientation parameters can be determined. False.
• Optical aberrations degrade the quality or sharpness of an image, except for chromatic aberration. False.
• Image distortion affects the geometric position of a point in the image. True.

Film and Digital Imaging Characteristics

• Coarse-grained films have a higher resolution than fine-grained films. False.
• Coarse-grained films have a higher density than fine-grained films. True.
• Coarse-grained films have less exposure latitude than fine-grained films. False.
• Analog images allow good geometric manipulation but low radiometric manipulation. False.
• Digital images have high radiometric and spectral resolution. True.
• Digital images have lower geometric resolution compared to analog images. True.
• The magnitude of the correction for image motion due to the displacement of the plane is a function of flying height. False.
• Variations in the printing of fiducial marks mean that the intersection of the axes does not coincide with the fiducial image center. False.
• The purpose of the cone is to ensure the stability of the camera's focal plane. False.
• A filter helps provide a uniform distribution of light in the image. True.
• A filter helps to improve the contrast of the resulting image. False.
• Displacement due to relief is inversely proportional to flying height. True.