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This report describes some practical aspects of the use of the cross-correlation of grey pattern for the identification of objects in video images and for the detection of changes in the image sequence of a video signal. The correlation factor, its calculation and its interpretation are considered first. Thereafter, some types of elementary image disturbances are introduced which are analysed to determine their influence on the correlation factor and to facilitate the estimation of such influence from expected image changes in real applications.

Additional information

Authors: MOL M J, JRC Ispra (IT)
Bibliographic Reference: EUR 12829 EN (1990) 23 pp., MF, ECU 4, blow-up copy ECU 5
Availability: (2)
Record Number: 199011366 / Last updated on: 1994-12-01
Original language: en
Available languages: en
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