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Seminário do Grupo de Lógica, Inteligência Artificial
e Métodos Formais - LIAMF
Seminário Registrado na CPG do IME/USP
Página: http://www.ime.usp.br/~liamf/seminarios/index.html
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Título: Reasoning about Dynamic Depth Profiles
Palestrante: Paulo E. Santos (FEI)
Data: 08/12/2008, 14h30
Local: Sala 03B, IME-USP
Abstract: Reasoning about perception of depth and about spatial
relations between moving physical objects is a challenging problem.
We investigate the representation of depth and motion
by means of depth profiles whereby each object in the world
is represented as a single peak. We propose a logical theory,
formulated in the situation calculus (SC), that is used for reasoning
about object motion (including motion of the observer).
The theory proposed here is comprehensive enough to accommodate reasoning
about both sensor data and actions in the world. We show that
reasoning about depth profiles is sound and complete with
respect to actual motion in the world.
This shows that in the conceptual neighbourhood diagram (CND) of
all possible depth perceptions, the transitions between perceptions are
logical consequences of the proposed theory of depth and motion.
At the end of the talk I'll present some current work on the integration of
probabilistic reasoning in this framework.
Seminário do Grupo de Lógica, Inteligência Artificial
e Métodos Formais - LIAMF
Seminário Registrado na CPG do IME/USP
Página: http://www.ime.usp.br/~liamf/seminarios/index.html
-------------------------------------------------------------------------------------------
Título: Reasoning about Dynamic Depth Profiles
Palestrante: Paulo E. Santos (FEI)
Data: 08/12/2008, 14h30
Local: Sala 03B, IME-USP
Abstract: Reasoning about perception of depth and about spatial
relations between moving physical objects is a challenging problem.
We investigate the representation of depth and motion
by means of depth profiles whereby each object in the world
is represented as a single peak. We propose a logical theory,
formulated in the situation calculus (SC), that is used for reasoning
about object motion (including motion of the observer).
The theory proposed here is comprehensive enough to accommodate reasoning
about both sensor data and actions in the world. We show that
reasoning about depth profiles is sound and complete with
respect to actual motion in the world.
This shows that in the conceptual neighbourhood diagram (CND) of
all possible depth perceptions, the transitions between perceptions are
logical consequences of the proposed theory of depth and motion.
At the end of the talk I'll present some current work on the integration of
probabilistic reasoning in this framework.
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