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Tracking objects with the bounded irregular pyramid

Authors: Marfil-Robles, Rebeca;

Tracking objects with the bounded irregular pyramid

Abstract

En esta tesis se propone un sistema de seguimiento de objetos basados en un nuevo método de representación y localización del objetivo. Se trata de realizar el seguimiento de objetos no rígidos en tiempo real, sin utilizar ningún modelo previo de los objetos a seguir. Para conseguir esto, se propone un nuevo modelo para caracterizar la apariencia del objeto basado en una máscara o template. Este modelo utiliza una nueva estructura piramidal, denominada Bounded Irregular Pyramid (BIP), para representar el target y el template, así como para realizar el proceso de localización del objeto o template matching de forma jerárquica, reduciendo su coste computacional. El sistema de seguimiento propuesto permite realizar el seguimiento de objetos rígidos y no rígidos utilizando una máscara que se actualiza de forma dinámica. Esta máscara incluye información de las máscaras previas, solucionando dos de las causas de fallo más importante se los sistemas de seguimiento: cambios en la apariencia del objetivo y oclusiones del mismo. Además, el sistema permite seguir varios objetos simultáneamente sin un incremento excesivo del coste computacional. Las características previamente comentadas del sistema propuesto lo hacen muy adecuado para su utilización en aplicaciones visuales más complejas, que requieren una respuesta en tiempo real.

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Spain
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Keywords

Procesado de imágenes - Tesis doctorales, 330

  • BIP!
    Impact byBIP!
    selected citations
    These citations are derived from selected sources.
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    0
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Average
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green