TU Wien:Video Analyse VO (Gelautz)/Prüfung 2023-06-07
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Block Matching[Bearbeiten | Quelltext bearbeiten]
- Describe Block Matching algorithm with Pseudocode
- What are the parameters of that algorithm, and what do they influence?
- In which areas of an image does Block Matching not give the best results?
Optical Flow[Bearbeiten | Quelltext bearbeiten]
- What is the difference between Optical Flow and 2D motion?
- What are the differences between Lucas-Kanade and Horn-Schnuck?
- How can Optical Flow be evaluated?
Bilateral Filter[Bearbeiten | Quelltext bearbeiten]
- Explain how a Bilateral Filter works
- Give an example where the two 1D filters (vertical + horizontal) produce a different result than a 2D filter.
Cost Volume[Bearbeiten | Quelltext bearbeiten]
- What is Cost Volume?
- How can it be used to divide an image into foreground and background based on the colors?