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Object tracking in video sequences

By Zdeněk Libiš

Abstract

This thesis deals with object tracking in video sequence. It focuses on studying of one object´s motion in static background. Motion is defined by its direction and its speed. It was created 3 operators in RapidMiner to determine it. The operator called AccumulativeDifferenceImage searches a trajectory of motion by technique of accumulative difference image. Operator called OpticalFlow is created to describe type of motion and to find size of location´s transition. The operator called SpeedMeasuing is used for determining of speed, it calculates speed of object by using input´s binary masks in meters by second. In theoretical part of thesis are described the types of segmentation´s methods, basic types of block matching algorithms, attributes of video sequences and problem of recording of motions. In practical part are described implementations of every operator, the testing video sequences and showed results of tests for every operator

Topics: segmentace obrazu; Video sekvence; pohyb objektu; kumulovaný rozdílový snímek.; Video sequence; speed measuring; měření rychlosti; object´s motion; segmentation of picture; accumulative difference image.
Publisher: Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií
Year: 2011
OAI identifier: oai:invenio.nusl.cz:219351
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