Turning water into rock: The inverted waves effect

Jukka Häkkinen; Lauri Gröhn

doi:10.1177/2041669515627951

Turning water into rock: The inverted waves effect

Jukka Häkkinen^*, Lauri Gröhn

^*Tämän työn vastaava kirjoittaja

Tietotekniikan laitos

Tutkimustuotos: Lehtiartikkeli › Article › Scientific › vertaisarvioitu

1 Sitaatiot (Scopus)

169 Lataukset (Pure)

Abstrakti

Humans perceive shape in two-dimensional shaded images, and turning such an image upside down can result in inversion of the relief of this image. Previous research indicates that this inversion is caused by assumptions related to overhead illumination, global convexity and viewpoint above the surface. In our article, we describe the inverted waves effect, in which turning an image of waves upside down changes its relief and also its perceived material properties.

Alkuperäiskieli	Englanti
Sivut	1-6
Julkaisu	Perception
Vuosikerta	7
Numero	1
DOI - pysyväislinkit	https://doi.org/10.1177/2041669515627951
Tila	Julkaistu - 1 helmik. 2016
OKM-julkaisutyyppi	A1 Julkaistu artikkeli, soviteltu

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10.1177/2041669515627951

2041669515627951Final published version, 521 KBLisenssi: CC BY

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title = "Turning water into rock: The inverted waves effect",

abstract = "Humans perceive shape in two-dimensional shaded images, and turning such an image upside down can result in inversion of the relief of this image. Previous research indicates that this inversion is caused by assumptions related to overhead illumination, global convexity and viewpoint above the surface. In our article, we describe the inverted waves effect, in which turning an image of waves upside down changes its relief and also its perceived material properties.",

keywords = "Materials, Perception of water, Shape from shading, Surface perception",

author = "Jukka H{\"a}kkinen and Lauri Gr{\"o}hn",

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T1 - Turning water into rock

T2 - The inverted waves effect

AU - Häkkinen, Jukka

AU - Gröhn, Lauri

PY - 2016/2/1

Y1 - 2016/2/1

N2 - Humans perceive shape in two-dimensional shaded images, and turning such an image upside down can result in inversion of the relief of this image. Previous research indicates that this inversion is caused by assumptions related to overhead illumination, global convexity and viewpoint above the surface. In our article, we describe the inverted waves effect, in which turning an image of waves upside down changes its relief and also its perceived material properties.

AB - Humans perceive shape in two-dimensional shaded images, and turning such an image upside down can result in inversion of the relief of this image. Previous research indicates that this inversion is caused by assumptions related to overhead illumination, global convexity and viewpoint above the surface. In our article, we describe the inverted waves effect, in which turning an image of waves upside down changes its relief and also its perceived material properties.

KW - Materials

KW - Perception of water

KW - Shape from shading

KW - Surface perception

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Turning water into rock: The inverted waves effect

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