Results 1 - 10 of 73

Ultraconservative Online Algorithms for Multiclass Problems

by Koby Crammer, Yoram Singer - Journal of Machine Learning Research , 2001
"... In this paper we study online classification algorithms for multiclass problems in the mistake bound model. The hypotheses we use maintain one prototype vector per class. Given an input instance, a multiclass hypothesis computes a similarity-score between each prototype and the input instance and th ..."
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similarity-scores. We then discuss a specific online algorithm that seeks a set of prototypes which have a small norm. The resulting algorithm, which we term MIRA (for Margin Infused Relaxed Algorithm) is ultraconservative as well. We derive mistake bounds for all the algorithms and provide further analysis

MIRA- Middleware for Robotic Applications

by Erik Einhorn, Tim Langner, Ronny Stricker, Christian Martin, Horst-michael Gross
"... Abstract—In this paper, we present MIRA, a new middle-ware for robotic applications. It is designed for use in real-world applications and for research and teaching. In comparison to many other existing middlewares, MIRA employs novel techniques for communication that are described in this paper. Mo ..."
Abstract - Cited by 10 (5 self) - Add to MetaCart
. Moreover, we present benchmarks that analyze the performance of the most commonly used middlewares ROS, Yarp, LCM, Player, Urbi, and MOOS. Using these benchmarks, we can show that MIRA outperforms the other middlewares in terms of latency and computation time. I.

Long-term Behavior of Mira Ceti Maxima

by Costantino Sigismondi , Dorrit Hoffleit , Riccardo Coccioli
"... Abstract We gathered the maxima of Mira Ceti in order to evaluate the frequency of two consecutive bright apparitions. We did an evaluation of the correlation between two following maxima in order to verify the probability of occurrence of two consecutive bright maxima. Analyzing the maxima of Mir ..."
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Abstract We gathered the maxima of Mira Ceti in order to evaluate the frequency of two consecutive bright apparitions. We did an evaluation of the correlation between two following maxima in order to verify the probability of occurrence of two consecutive bright maxima. Analyzing the maxima

X-ray Outburst in Mira A

by Margarita Karovska, Eric Schlegel, Warren Hack, John Raymond, Brian E. Wood , 2005
"... We report here the Chandra ACIS-S detection of a bright soft X-ray transient in the Mira AB interacting symbiotic-like binary. We resolved the system for the first time in the X-rays. Using Chandra and HST images we determined that the unprecedented outburst is likely associated with the cool AGB st ..."
Abstract - Cited by 2 (0 self) - Add to MetaCart
and ROSAT observations. The outburst may be caused by a giant flare in Mira A associated with a mass ejection or a jet, and may have long term consequences

Multiepoch Interferometric Study of Mira Variables

by R. R. Thompson, M. J. Creech-eakman, G. T. Van Belle - I. Narrowband Diameters of RZ Pegasi and S Lacertae. ApJ , 2002
"... As part of the long-term monitoring of Mira variables at the Palomar Testbed Interferometer, we report high-resolution narrowband angular sizes of the oxygen-richMira S Lac and the carbon-richMira RZ Peg in the near-infrared. The data set spans three pulsation cycles for S Lac and two pulsation cycl ..."
Abstract - Cited by 2 (0 self) - Add to MetaCart
As part of the long-term monitoring of Mira variables at the Palomar Testbed Interferometer, we report high-resolution narrowband angular sizes of the oxygen-richMira S Lac and the carbon-richMira RZ Peg in the near-infrared. The data set spans three pulsation cycles for S Lac and two pulsation

Mira science with interferometry: a review

by M. Scholz , 2004
"... Model-predicted and observed properties of the brightness distribution on M-type Mira disks are discussed. Fundamental issues of limb-darkening and diameter definition, of assigning observational data to diameter-type quantities and of interpreting such quantities in terms of model diameters are out ..."
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Model-predicted and observed properties of the brightness distribution on M-type Mira disks are discussed. Fundamental issues of limb-darkening and diameter definition, of assigning observational data to diameter-type quantities and of interpreting such quantities in terms of model diameters

The evolution of the Mira variable R Hydrae

by Albert A. Zijlstra, T. R. Bedding, J. A. Mattei , 2008
"... The Mira variable R Hydrae is well known for its declining period, which Wood & Zarro (1981) attributed to a possible recent thermal pulse. Here we investigate the long-term period evolution, covering 340 years, going back to its discovery in AD 1662. The data includes photometric monitoring by ..."
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The Mira variable R Hydrae is well known for its declining period, which Wood & Zarro (1981) attributed to a possible recent thermal pulse. Here we investigate the long-term period evolution, covering 340 years, going back to its discovery in AD 1662. The data includes photometric monitoring

ASTRONOMY AND ASTROPHYSICS Detection of short-term variations in Mira-type variables

by P. De Laverny, M. O. Mennessier, F. Mignard, J. A. Mattei
"... Abstract. The Hipparcos photometric observations carried out over 37 months have been investigated in detail for ∼250 Miras. This leads to an unexpected by-product of the mission that we already suspected from ESOC real-time reductions: the first detection from space of photometric short-term bright ..."
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Abstract. The Hipparcos photometric observations carried out over 37 months have been investigated in detail for ∼250 Miras. This leads to an unexpected by-product of the mission that we already suspected from ESOC real-time reductions: the first detection from space of photometric short-term

/W/-Variants in Korean Oh, Mira1)

by unknown authors
"... No systematic study has examined the relationship between acoustic variability and /w/-deletion in Korean. Most previous studies on /w/-deletion have described /w/-variants in categorical terms, i.e., /w/-deletion or a full glide (Silva 1991; Kang 1997; Yun 2005). These studies are based either on i ..."
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No systematic study has examined the relationship between acoustic variability and /w/-deletion in Korean. Most previous studies on /w/-deletion have described /w/-variants in categorical terms, i.e., /w/-deletion or a full glide (Silva 1991; Kang 1997; Yun 2005). These studies are based either

Period-luminosity and period-luminosity-colour relations for Mira variables at maximum light

by S. M. Kanbur, M. A. Hendry, D. Clarke , 1997
"... In this paper we discuss the evidence for a period-luminosity (PL) relation and periodluminosity-colour (PLC) at maximum light for Mira variables. We confirm the existence of such relations in the J, H and K bands, and also based on bolometric magnitudes, for oxygen-rich (O) and carbon-rich (C) Mira ..."
Abstract - Cited by 1 (1 self) - Add to MetaCart
in the J, H and bolometric bands than in the K band – in which the mean PL relations display the smallest dispersion. The inclusion of a non-zero log period term in the regression fits is found to be highly significant in all cases except that of the C Miras in the J
Results 1 - 10 of 73