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The subjective effect of two-dimensional pictorial noise

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1 Author(s)

A study has been made of the subjective effects of the class of independent additive rectangular low-pass Gaussian noises. Three original pictures, varying in the amount of detail, were used. The general shapes of the isopreference surfaces in - k_{1} - k_{2} space where a is the \sigma value, and k_{1} and k_{2} are the bandwidths of the noise in the horizontal and vertical directions, respectively, were found. If the objectionability of noise is a linear functional of the noise spectrum, then one may deduce that for the class of noises whose spectra are symmetrical with respect to both horizontal and vertical frequencies, the weighting function in the integral representing noise objectionability is similar in shape to these isopreference surfaces.

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IEEE Transactions on Information Theory  (Volume:11 ,  Issue: 1 )