Keypoint Matching Technique and Its Applications
Keypoint Matching Technique and Its Applications
Keypoint Matching Technique and Its Applications
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Introduction<br />
• Shot change detection is an essential step in<br />
video content analysis.<br />
• Types:<br />
– Abrupt transition: hard cuts<br />
– Gradual transition: dissolves, fades <strong>and</strong> wipes<br />
• Finding low-level visual features to compute<br />
frame changes<br />
– Color histograms <strong>and</strong> edges<br />
– Then locate the spots of changes<br />
– Sensitive to object or camera movements