Results 201 to 210 of about 31,428 (237)

Amazonian rainforest bioaerosol influenced by African dust intrusion

open access: yes
Weber J   +13 more
europepmc   +1 more source
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THE WEBER FRACTION VERSUS PERCEIVED SIMILARITY

Perceptual and Motor Skills, 1999
The Weber fraction type of discrimination outcome means that stimuli of high magnitude are difficult to discriminate. Simultaneous and successive discriminations between two long (high magnitude) lines and also between two short (low magnitude) lines were carried out.
Donald L KING
exaly   +6 more sources

The Weber fraction and asymmetries in luminance thresholds

Color Research and Application, 2002
AbstractPresented in this article is a method for the determination of the Weber fraction by analyzing data obtained from color‐matching experiments. The method is based on a rigorous analysis of the probability density function derived from discrimination judgments made in the xyY space.
Fernando Carreño
exaly   +2 more sources

Just Noticeable Differences and Weber Fraction of Oral Thickness Perception of Model Beverages

Journal of Food Science, 2015
Abstract Rheological properties of beverages contribute considerably to texture perception. When developing new beverages, it is important to have knowledge on the smallest differences of viscosity which a consumer can discriminate. Thickness is the sensory attribute most commonly used to describe the viscosity of
C De Graaf, Markus Stieger
exaly   +4 more sources

Modifying weber fraction law to postprocessing and edge detection applications

2008 3rd International Symposium on Communications, Control and Signal Processing, 2008
A postprocessing scheme is proposed to enhance compressed images. The main objective is to obtain improvements that are pertinent to the properties of human visual system. The proposed scheme implements Weber fraction (also called contrast sensitivity) to enhance the appearance of the current block by incorporating information from adjacent blocks. The
Otman Basir
exaly   +2 more sources

Modeling the Weber Fraction of Vibrotactile Amplitudes Using Gain Control Through Global Feedforward Inhibition

Lecture Notes in Computer Science, 2014
Weber’s law describes the linear drop of discriminative performance with increased base intensity of a stimulus. So far, this phenomenon has been modeled using multistable attractor decision networks based on the principle of biased competition between two mutually inhibiting recurrent neural populations.
Daniel Ostler   +2 more
exaly   +2 more sources

Visual Contrast Mapping based on Weber's Fraction

Color and Imaging Conference, 2006
Hiroaki Kotera, Takahiko Horiuchi
exaly   +2 more sources

Fractional Sturm–Liouville problems for Weber fractional derivatives

International Journal of Computer Mathematics, 2018
In this paper, we introduce the regular and singular fractional Sturm–Liouville problem (SLP) Dαp(x)Dαy+q(x)y(x)=λωα(x)y(x ...
Mohammad Hossein Derakhshan   +1 more
openaire   +1 more source

Profile information improves Weber fraction

The Journal of the Acoustical Society of America, 1984
We measured the ability of observers to detect an increment in the intensity of a 100-ms 1000-Hz sinusoid under two conditions. In the first condition, the observer heard single 1000-Hz sinusoids —either the standard or the standard plus the increment.
David M. Green, Christine R. Mason
openaire   +1 more source

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