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Qu'est-ce (qui) est edge detection - définition
Edge detection
![[[Canny edge detection]] applied to a photograph](https://commons.wikimedia.org/wiki/Special:FilePath/Ääretuvastuse näide.png?width=200 "[[Canny edge detection]] applied to a photograph")
IMAGE PROCESSING METHOD
Edge filter; Border detection; Edgel; Differential edge detection; Image edge; Edge thinning
Edge detection includes a variety of mathematical methods that aim at identifying edges, curves in a digital image at which the image brightness changes sharply or, more formally, has discontinuities. The same problem of finding discontinuities in one-dimensional signals is known as step detection and the problem of finding signal discontinuities over time is known as change detection.
Anomaly detection
THE IDENTIFICATION OF RARE ITEMS, EVENTS OR OBSERVATIONS WHICH RAISE SUSPICIONS BY DIFFERING SIGNIFICANTLY FROM THE EXPECTED OR MAJORITY OF THE DATA
Novelty detector; Novelty detectors; Outlier detection; Deviation detection; Exception detection; Unsupervised anomaly detection; Supervised anomaly detection; Applications of anomaly detection
In data analysis, anomaly detection (also referred to as outlier detection and sometimes as novelty detection) is generally understood to be the identification of rare items, events or observations which deviate significantly from the majority of the data and do not conform to a well defined notion of normal behaviour. Such examples may arouse suspicions of being generated by a different mechanism, or appear inconsistent with the remainder of that set of data.
Shot transition detection
AUTOMATED DETECTION OF TRANSITIONS BETWEEN SHOTS
Cut detection; Shot detection; Shot boundary detection
Shot transition detection (or simply shot detection) also called cut detection is a field of research of video processing. Its subject is the automated detection of transitions between shots in digital video with the purpose of temporal segmentation of videos.
