Spatial frequency, phase, and the contrast of natural images

PJ Bex, W Makous - JOSA A, 2002 - opg.optica.org
We examined contrast sensitivity and suprathreshold apparent contrast with natural images.
The spatial-frequency components within single octaves of the images were removed (notch …

Spatiochromatic properties of natural images and human vision

CA Párraga, T Troscianko, DJ Tolhurst - Current biology, 2002 - cell.com
The human visual system shows a relatively greater response to low spatial frequencies of
chromatic spatial modulation than to luminance spatial modulation [1]. However, previous …

[HTML][HTML] Adaptation and gain pool summation: Alternative models and masking data

TS Meese, DJ Holmes - Vision Research, 2002 - Elsevier
Foley [J. Opt. Soc. Am. A 11 (1994) 1710] has proposed an influential psychophysical model
of masking in which mask components in a contrast gain pool are raised to an exponent …

[图书][B] Modeling, rendering and animating human hair

TY Kim - 2002 - search.proquest.com
As computer generated virtual humans become ubiquitous in many areas such as virtual
agents, avatars in virtual worlds, and characters in games, these create strong demands for …

Visual ecology: coloured fruit is what the eye sees best

K Wolf - Current Biology, 2002 - cell.com
Visual Ecology: Coloured Fruit is What the Eye Sees Best: Current Biology Skip to Main
Content Advertisement Current Biology This journal offers authors two options (open access or …

Do primary sensory areas play analogous roles in different sensory modalities?

HR Dinse, CE Schreiner - Cortical Areas, 2002 - taylorfrancis.com
What is the role of the representation and processing of the sensory environment in primary
cortical fields? How do the principles underlying sensory processing differ among cortical …

Assessment of synthetic image fidelity

MA Gilmore, IR Moorhead, GH Watson… - Targets and …, 2002 - spiedigitallibrary.org
When using synthetic imagery it is essential that it is fit for purpose. Imagery can be rendered
at different levels of quality, depending on application. For example, when using a real-time …

[PDF][PDF] Cortical Areas: Unity and Diversity

HR Dinse, G Böhmer - 2002 - researchgate.net
This chapter summarizes recent findings about plastic changes in adult early sensory and
motor cortices. We discuss mechanisms leading to enduring changes of synaptic efficacy …

[图书][B] A theory and model to explain the variance in performance of visual search for ground vehicles in natural terrain

G Witus - 2002 - search.proquest.com
This research developed a theory and mathematical model explaining the variation in
observers' visual search performance that can be attributed to computable properties of the …

[PDF][PDF] Investigating the Effect of Texture on 3D Shape Perception

S Kim - 2002 - cs.gettysburg.edu
A key objective in the field of visualization is to design and implement algorithms to
effectively convey scientific data through images so that the essential features of the data …