Moreover, the perceptual distortions are unrelated to body image satisfaction and do not indicate any pathological condition. Relatively little research has found these measures to have adequate reliability or validity, and therefore they cannot be recommended at this time (Polivy et al. 1990). 1.2...
Errors on the stop consonants /p, b, m, t, d, n/ occurred less frequently and, in all cases, consisted of isolated visual distortions. The type of malocclusion had a specific influence on the nature of the sound error. Subjects having a class II malocclusion, with or without an open ...
Several models have been described in the literature which seek to represent audio stimuli in the perceptual domain to best predict the audibility of errors and distortions. By modelling the principal nonlinear processes of human hearing it is possible to calculate a perceptual domain error surface ...
Perceptual disorders are not part of the diagnosis criteria for schizophrenia. Yet, a considerable amount of work has been conducted, especially on visual perception abnormalities, and there is little doubt that visual perception is altered in patients.
More recently, Babel et al. (2019) investigated how distortions that are not perfectly ambiguous, such as bad maps, affect perceptual recalibration. They used a lexical decision task (the most common exposure task in perceptual recalibration studies) to expose listeners to altered /s/ words (the...
carry only the prediction errors (the difference, at each layer in a hierarchy, between actual and predicted signals), with prediction updates passed back down the hierarchy (top-down signals) to inform future perception. A role for predictive coding in time perception has been suggested previously...
In[47] and[52], the effectiveness of the SSIM index as a quality measure, its superiority to MSE, and its variants are presented in detail. Generally, MSE cannot reflect perceptual distortions, and its value becomes higher for images altered with some distortions such as mean luminance shift,...
The term “video quality” is defined in terms of fidelity, i.e., how closely a processed or delivered signal matches the original source (or reference) signal. The main concern is to detect and quantify any distortions that have been introduced into the signal as it passes through a networ...
(1976), in which varying levels of distortions from the prototype are implemented by the application of different probability sets for dot movement. These probability sets determine whether a dot will either keep its position or the distance by which it will be moved within a 20 × 20 ...
assessmentmodels,suchasPSQMandMNB(ITU-TP.861),PESQisabletopredict subjectivequalitywithgoodcorrelationinaverywiderangeofconditions,thatmay includecodingdistortions,errors,noise,filtering,delayandvariabledelay.Thispaper introducesthepsycho-acousticmodelthatisusedinPESQ.Anaccompanyingpaper describesthetimedelayidentifica...