Multi-frame averaging
Definition
A noise reduction technique that registers multiple frames of the same scene and averages pixel values. Random noise, which differs between frames, is averaged away while the true signal, which is consistent, is preserved.
Related terms
- Colour calibration
- The process of correcting a camera's colour rendering to match a known standard, using a colour reference chart captured under the same...
- De-interlacing
- The process of reconstructing a full progressive frame from the two interlaced fields captured by analogue video systems. Different algorithms (line doubling,...
- Object tracking
- Frame-by-frame identification of a target (person, vehicle, or object) across a video sequence, recording its position and trajectory. Used to reconstruct movement...
- Super-resolution
- Methods that attempt to produce an image with higher pixel density than the source. Interpolation-based SR fills in values by estimation; learning-based...
- Temporal synchronisation
- The process of aligning the timelines of two or more camera recordings so that events captured from different viewpoints can be placed...
Explained in
- Video Frame Analysis and EnhancementA noise reduction technique that registers multiple frames of the same scene and averages pixel values. Random noise, which differs between frames, is averaged...