منابع مشابه
Sinusoid=light bar+dark bar?
A sinusoidal grating can be viewed as a series of light and dark bars. Here we measure the contrast discrimination thresholds for light and dark bars individually, and find that the contrast discrimination thresholds for the whole sinusoid can be explained as ideal summation of the light and dark bar thresholds. We propose a model for light bar, dark bar, and sinusoidal contrast discrimination ...
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N. E. Adam, J. P. Alexander, C. Bebek, B. E. Berger, K. Berkelman, F. Blanc, V. Boisvert, D. G. Cassel, P. S. Drell, J. E. Duboscq, K. M. Ecklund, R. Ehrlich, L. Gibbons, B. Gittelman, S. W. Gray, D. L. Hartill, B. K. Heltsley, L. Hsu, C. D. Jones, J. Kandaswamy, D. L. Kreinick, A. Magerkurth, H. Mahlke-Kruger, T. O. Meyer, N. B. Mistry, E. Nordberg, M. Palmer, J. R. Patterson, D. Peterson, J. ...
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A 65 year gentleman had complaints of difficulty in swallowing primarily for solids along with foreign body sensation in throat for six months duration. Patient also had to do multiple attempts at swallowing the bolus. Occasionally patient also had episodes of coughing during swallowing of liquids. Patient had no loss of weight, fever and hematemesis. Barium swallow revealed narrowing at level ...
متن کاملBAR Games
This paper describes a general methodology for simplifying the design and analysis of BAR protocols. BAR protocols allow the participation of Byzantine, Altruistic, and Rational players. Because BAR protocols tolerate both arbitrary behaviors by some nodes and selfish behavior by the rest, they are appropriate for service and applications spanning multiple administrative domains. We focus our a...
متن کاملLarge Magellanic Cloud Bar: Evidence of a Warped Bar
The geometry of the LMC bar is studied using the dereddened mean magnitudes of the red clump stars ( ) I0 from the Optical Gravitational Lensing Experiment II catalog. The value of is found to vary in the east-west I0 direction such that both the east and the west end of the bar are closer to us with respect to the center of the bar. The maximum observed variation has a statistical significance...
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ژورنال
عنوان ژورنال: Vision Research
سال: 2006
ISSN: 0042-6989
DOI: 10.1016/j.visres.2005.12.004