Key Concepts in Imaging and Photogrammetry

Imaging and Photogrammetry Concepts

1. Optical Aberrations and Their Effects

Indicate the consequences of each aberration:

• Coma: [Consequence]
• Curvature of Field: [Consequence]
• Astigmatism: Object Approach.
• Distortion: [Consequence]

2. Digital Signal Processing (DSP) Tasks

Select the correct answers. The tasks of DSP include:

• Digital Signal Processing.
• Convert the analog signal into a digital signal.
• Improving the geometric resolution of the image.
• Adjusting the contrast.

3. Factors Affecting Image Resolution

Relate the following factors to their respective resolution types:

• IR-Filter: Radiometric Resolution
• Exposure: Radiometric Resolution
• Flight Altitude: Geometric Resolution
• Wavelength: Radiometric Resolution
• Focal Length: Geometric Resolution
• Solid Angle: Geometric Resolution

4. Understanding Image Data Values

Choose the correct answer for: ¿?¿?¿?¿?¿?¿?

• It is a numeric value.
• It's a set of integers.
• It's a cell number.
• It's a radiometric value.

5. Film Grain and Photographic Properties

Relate the following photographic properties to film grain characteristics:

• Lower Sensitivity → Fine Grain
• Slower Speed → Fine Grain
• Lower Contrast → Coarse Grain
• Lower Exposure → Coarse Grain

6. Camera Components and Their Functions

Match the following camera components with their primary concepts or functions:

• Lenses: Curvature
• Diaphragm: Aperture Diameter
• Shutter: Exposure
• Filter: Light Distribution

7. Photogrammetry Orientation Tasks

Match the following photogrammetric tasks with their respective orientation types:

• Dimensional Transformation: Internal Guidance
• Perspective Ray Training: Internal Guidance
• Absolute Guidance: External Orientation
• Relative Guidance: External Orientation
• Intersection of Perspective Beams: External Orientation
• D-Transformation: External Orientation

8. Photographic Chemistry and Image Formation

Indicate the correct association for each photographic chemical:

• Silver Halide: Image Formation
• Metallic Silver: Developer and Fixer
• Bromine: Developer and Fixer
• Silver Salts: Developer and Fixer
• Hyposulfite: Developer and Fixer
• Silver Bromide: Image Formation

9. Analog vs. Digital Camera Characteristics

Select the correct option comparing analog and digital camera characteristics:

• Higher Scanning Cost: Analog Camera
• More Robust: Analog Camera
• Higher Spectral Resolution: Digital Camera
• Lower Geometric Resolution: Digital Camera
• Higher Geometric Resolution: Analog Camera
• Higher Radiometric Resolution: Digital Camera

10. Factors Influencing Depth of Field

Indicate the appropriate option regarding factors influencing depth of field:

• The depth of field will be smaller, the wider the aperture.
• The depth of field will be greater the more distant the object is.
• The depth of field will be smaller the longer the focal length.
• The depth of field will be greater when the focus area is sharp.