J. J. Kulikowski and A. Gorea, "Complete adaptation to patterned stimuli: A necessary and sufficient condition for Weber's law for contrast, " Vision Res., vol. 18, pp. 1223-1227, 1978. Home/Search Document Not in Database Summary Related Articles |
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The Laplacian Pyramid as a Compact Image Code - Burt, Adelson (1983) (431 citations) (Correct)
....sensitivity of the human observer to contrast errors within the spatial frequency bands represented at that level. Humans are fairly sensitive t o contrast perturbations at low and medium spatial frequencies, but relatively insensitive to such perturbations at high spatial frequencies [3] 4] [7] . This increased observer sensitivity along with the increased data variance noted above means that more quantization levels must be used at high pyramid levels than at low levels. Fortunately, these pixels contribute little to the overall bit rate for the image, due to their low sample density. ....
J. J. Kulikowski and A. Gorea, "Complete adaptation to patterned stimuli: A necessary and sufficient condition for Weber's law for contrast, " Vision Res., vol. 18, pp. 1223-1227, 1978.
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