[HTML][HTML] Search for gross illumination discrepancies in images of natural objects

PG Lovell, ID Gilchrist, DJ Tolhurst… - Journal of …, 2009 - iovs.arvojournals.org
Shadows may be “discounted” in human visual perception because they do not provide
stable, lighting-invariant, information about the properties of objects in the environment …

Impossible shadows and the shadow correspondence problem

P Mamassian - Perception, 2004 - journals.sagepub.com
Shadows cast by objects contain potentially useful information about the location of these
objects in the scene as well as their surface reflectance. However, before the visual system …

Rapid processing of cast and attached shadows

JH Elder, S Trithart, G Pintilie, D MacLean - Perception, 2004 - journals.sagepub.com
We used a visual-search method to investigate the role of shadows in the rapid
discrimination of scene properties. Targets and distractors were light or dark 2-D crescents …

Colour vision brings clarity to shadows

FAA Kingdom, C Beauce, L Hunter - Perception, 2004 - journals.sagepub.com
We have revealed a new role for colour vision in visual scene analysis: colour vision
facilitates shadow identification. Shadows are important features of the visual scene …

The influence of cast shadows on visual search

RA Rensink, P Cavanagh - Perception, 2004 - journals.sagepub.com
We show that cast shadows can have a significant influence on the speed of visual search.
In particular, we find that search based on the shape of a region is affected when the region …

Cast shadows in wide perspective

SC Pont, MWA Wijntjes, AHJ Oomes… - …, 2011 - journals.sagepub.com
We investigated the apparent spatial layout of cast shadows up to very wide fields of view.
We presented up to 130° wide images in which two 'flat poles' were standing on a green …

The perception and content of cast shadows: An interdisciplinary review

HM Dee, PE Santos - Spatial Cognition & Computation, 2011 - Taylor & Francis
Recently, psychologists have turned their attention to the study of cast shadows and
demonstrated that the human perceptual system values information from shadows very …

[图书][B] The visual recognition of shadows by an active observer

GD Funka-Lea - 1994 - search.proquest.com
In computer vision for object recognition or autonomous navigation, shadows are a frequent
occurrence. However, shadows in an image can make it difficult to partition the image into …

[HTML][HTML] What makes cast shadows hard to see?

G Porter, A Tales, U Leonards - Journal of Vision, 2010 - jov.arvojournals.org
Visual search is slowed for cast shadows lit from above, as compared to the same search
items inverted and so not interpreted as shadows (RA Rensink & P. Cavanagh, 2004). The …

[图书][B] The visual world of shadows

R Casati, P Cavanagh - 2023 - books.google.com
How the perception of shadows, studied by vision scientists and visual artists, reveals the
inner workings of the visual system. In The Visual World of Shadows, Roberto Casati and …