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Shadow show trade card: Le jockey

open access: green
Unknown author (16647666)
openalex  

Shadow Removal Based on Shadow Direction and Shadow Attributes

2006 International Conference on Computational Inteligence for Modelling Control and Automation and International Conference on Intelligent Agents Web Technologies and International Commerce (CIMCA'06), 2006
Moving shadow removal is critical for robust moving object tracking system. A shadow removal algorithm based on shadow attributes is presented in this paper. The direction of shadow is estimated first, and then shadow points are sampled based on the direction of shadow. At last the shadow attributes is calculated using the sampled shadow points.
Yinghua Lu   +4 more
openaire   +1 more source

Some Varieties of Shadow Illusions: Split Shadows, Occluded Shadows, Stolen Shadows, and Shadows of Shadows

Perception, 2012
Shadows are visual objects and as such are subject to preference rules for segmenting the visual scene (such as Gestalt laws). These rules govern shadows along two dimensions: their general unity and individuation (eg they describe a certain area as a unitary shadow as opposed to a set of two distinct shadows), and their being the of a given object ...
openaire   +2 more sources

Shadows in the Brain

Journal of Cognitive Neuroscience, 2003
AbstractThe aims of the present study were to investigate whether the processing of an object shadow occurs implicitly, that is without conscious awareness, and where physically within the human brain shadows are processed. Here we present neurological evidence, obtained from studies of brain-injured patients with visual neglect, that shadows are ...
CASTIELLO, UMBERTO   +3 more
openaire   +5 more sources

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