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Perceptual and conceptual masking of pictures.

Journal of Experimental Psychology: Learning, Memory, and Cognition, 1984
We report an experiment in which target pictures, presented for 50 ms, were followed by masks. Two mask variables were implemented: mask luminance and amount of attention demanded by the mask. Luminance but not attention demand affected subsequent picture-memory performance when the mask followed the picture immediately; however, attention demand but ...
G R, Loftus, M, Ginn
openaire   +2 more sources

The Effect of Otitis Media With Effusion on Perceptual Masking

Archives of Otolaryngology–Head & Neck Surgery, 2003
To determine the effect of otitis media with effusion (OME) on perceptual masking (a phenomenon in which spondee threshold for a 2-talker masker is poorer than for a speech-shaped noise masker).Longitudinal testing over a 1-year period following insertion of tympanostomy tubes, using clinical and normal-hearing control groups.Forty-seven children ...
Joseph W, Hall   +5 more
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Wavelet based fuzzy perceptual mask for images

2009 16th IEEE International Conference on Image Processing (ICIP), 2009
One of the characteristics of the Human Visual System (HVS) is to model the sensitivity of the human eye at each coordinate location in the image. This paper explores the use of fuzzy logic for building a non-linear HVS model for perceptual masking in wavelet domain.
Mukesh C. Motwani   +2 more
openaire   +1 more source

A perceptual metric for masking

IEEE International Conference on Acoustics Speech and Signal Processing, 1993
Analytical tools were developed to predict masking of formant frequencies of steady-state vowels in the presence of a noise masker. Two kinds of masking were studied: within-band masking (where the signal frequency was within the bandwidth of a noise masker) and above-band masking (where the signal frequency was above the upper cutoff frequency of the ...
openaire   +2 more sources

Robust audio watermarking using perceptual masking

Signal Processing, 1998
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Mitchell D. Swanson   +3 more
openaire   +1 more source

Evidence for perceptual masking of the discriminative morphine stimulus

Psychopharmacology, 1989
Morphine-amphetamine and morphine-naltrexone interactions were examined in three groups of White Carneaux pigeons (n = 3), which were trained in a two-choice drug discrimination procedure under a FR-30 schedule of food reinforcement using 3.2 mg/kg morphine and saline as discriminative stimuli.
D V, Gauvin, A M, Young
openaire   +2 more sources

No Masking between Test and Mask Components in Perceptually Different Depth Planes

Perception, 2011
2-D cues to perceived depth organization have been used to segregate test and mask stimulus components in a discrimination task. Observers made either spatial-frequency or orientation judgments on a rectangular test component by itself or in the presence of constant rectangular masks.
Patrick J, Hibbeler, Lynn A, Olzak
openaire   +2 more sources

Robust additive watermarking in the DTCWT domain based on perceptual masking [PDF]

open access: yesMultimedia Tools and Applications, 2018
في هذه الورقة، يُقترح نظام قوي للعلامات المائية للصور المضافة يعمل في مجال تحويل الموجات المركبة ثنائية الشجرة (DTCWT). يستفيد النظام من نموذج الإخفاء الإدراكي الجديد الذي يستغل خصائص النظام البصري البشري (HVS) في مرحلة التضمين. كما يستخدم هيكلًا فعالًا للكشف عن العلامات المائية، يسمى اختبار RAO، للتحقق من وجود العلامة المائية المرشحة. يعتمد هذا الهيكل
Fouad Khelifi, Khaled Loukhaoukha
exaly   +2 more sources

Gratings That Induce Perceptual Distortions Mask Superimposed Targets

Perception, 1996
Masking is known to depend upon the relationship between the spatial-frequency content of target and mask. This relationship has been held constant in three experiments in order to investigate the separate contribution of the spatial parameters of the mask, in this case a grating with square-wave luminance profile.
Chronicle, E. P., Wilkins, A. J.
openaire   +2 more sources

An Empirical Study on Perceptually Masking Privacy in Graph Visualizations

2018 IEEE Symposium on Visualization for Cyber Security (VizSec), 2018
Researchers such as sociologists create visualizations of multivariate node-link diagrams to present findings about the relationships in communities. Unfortunately, such visualizations can inadvertently expose the ostensibly private identities of the persons that make up the dataset.
Jia-Kai Chou   +3 more
openaire   +1 more source

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