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Edge Postprocessing - A Comparative Study
1989
Procedings of the Alvey Vision Conference 1989
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The use of contextual information is a vital ingredient in the successful postprocessing of edge information. ...
The available contextual information exists in the form of measurements provided by the gradient-vectors in pixel neighbourhoods and knowledge of acceptable edge structure which is expressed symbolically ...
On the basis of this analysis, we select some algorithms for experimental comparison with the relaxation approaches; this demonstrates some of the performance advantages of the relaxation methods. ...
doi:10.5244/c.3.42
dblp:conf/bmvc/HancockK89
fatcat:nbvjsqk7brep3ke2gws3b22pam
An Analysis of Reinforcement Learning for Malaria Control
[article]
2021
arXiv
pre-print
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The problem has been formulated as multi-armed bandits, contextual bandits and a Markov Decision Process in isolation. ...
In this work, we formally study the formulation of Malaria control and present a comprehensive analysis of several formulations used in the literature. ...
Discrete actions Some algorithms analyzed here assume a discrete action space. One solution is to discretize each dimension, d, of the action space. ...
arXiv:2107.08988v1
fatcat:4n7bpmlc2bdh7nwaqxlkwttbcq
Local and Contextual Controlled Fourth Order Partial Differential Equations for Noise Removal
2012
Procedia Engineering
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In this paper, we propose a local and contextual controlled (LCC) fourth order PDE method for noise removal. ...
In our method, two discontinuity measures are incorporated into a LCC fourth order PDE, where the joint use of the two discontinuity measures leads to a complementary effect for edge preservation. ...
Comparison of different methods on "Barbara" image for image denoising. ...
doi:10.1016/j.proeng.2012.01.246
fatcat:frx5b75av5cknop4fhklaw6cje
Developing a Spatial-Temporal Contextual and Semantic Trajectory Clustering Framework
[article]
2017
arXiv
pre-print
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, the structure of space and time as well as the contextual and semantic trajectory properties. ...
Trajectory analysis methods based on clustering techniques heavily often rely on a similarity definition to properly provide insights. ...
, and a comparison of small, point to point relationships to improve the overall trajectory comparison. ...
arXiv:1712.03900v1
fatcat:ezz7gy5w6bafvdvp4fjvcut6te
COBE: Contextualized Object Embeddings from Narrated Instructional Video
[article]
2020
arXiv
pre-print
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On the other hand, contextual cues (e.g., the presence of a knife, a cutting board, a strainer or a pan) are often strongly indicative of how the object appears in the scene. ...
We leverage the semantic and compositional structure of language by training a visual detector to predict a contextualized word embedding of the object and its associated narration. ...
Comparing COBE to a Discrete Detector To the best of our knowledge, there are no prior published methods that we can directly include in our comparisons for the contextualized object detection task. ...
arXiv:2007.07306v2
fatcat:5jue4bytinhhnel2cafk5ydpxy
Service Recommendation Model based on Rating Matrix and Context-Embedded LSTM
2019
International Journal of Performability Engineering
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In this model, for a given user, based on different rating contexts, the rating matrix is firstly improved to have embedded contextual information, and then a sequence of service vectors is obtained from ...
However, most of the existing works do not make full use of contextual information when acquiring latent preference features of users. ...
) in University of Henan Province (No. 17IRTSTHN011). ...
doi:10.23940/ijpe.19.09.p17.24322441
fatcat:fg5uf6abvjejlcynpy7zetv5sm
Sparse associative memory based on contextual code learning for disambiguating word senses
[article]
2019
arXiv
pre-print
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Sense Disambiguation (WSD), a challenging problem in the field of Natural Language Understanding (NLU). ...
case of WSD. ...
Discrete activations of contextual codes are human readable. ...
arXiv:1911.06415v1
fatcat:ke5tob7t2nfydmlbjdql75no5e
Pavlovian conditioning to contexts that precede the place where shock occurs as measured by freezing and activity suppression in mice
1995
Animal Learning and Behavior
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control could be operant, Pavlovian, or some combination of both. ...
In discrete stimulus conditioning, it has been repeatedly demonstrated (see, e.g., Kehoe, 1982) that conditioning to the more distal of serially presented conditioned stimuli (CSs) can take place. ...
some set of contextual stimuli. ...
doi:10.3758/bf03198932
fatcat:xwne45p5nreo7lwt7dvzd2rcry
A Novel HMM-Based TTS System using Both Continuous HMMS and Discrete HMMS
2007
2007 IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP '07
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To resolve the two problems, the paper presents a new HTS framework using both continuous HMMs and discrete HMMs. ...
Experimental results show that the using of both continuous HMMs and discrete HMMs significantly improves the voice quality of synthesized speech. ...
The work was supported by the National Natural Science Foundation of China (No. 60575032) and the 863 Program (No. 2006AA01Z138) ...
doi:10.1109/icassp.2007.367011
dblp:conf/icassp/YuZTW07
fatcat:vlkiok3b2zajjkme2zljj5z65i
Toward more accurate contextualization of the CEO effect on firm performance
2013
Strategic Management Journal
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We do this by examining the CEO effects in subsamples of low-, medium-, and high-discretion industries. ...
We introduce multiple refinements to the standard method for assessing CEO effects on performance, variance partitioning methodology, more accurately contextualizing CEOs' contributions. ...
ACKNOWLEDGMENTS We are grateful for feedback on earlier versions of this paper provided by Craig Crossland, Vilmos Misangyi, Srikanth Paruchuri, and Andrew Ward. ...
doi:10.1002/smj.2108
fatcat:2orrh3uboredjn37qoghk67o4i
The Effect of Contextual Interference on Acquisition and Learning Badminton Skills among Children aged from 10 to 12
2013
Annals of Applied Sport Science
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The authors carefully suggest that elementary school physical education teachers should use blocked practice methods for badminton practice to help children build a suitable motor skills scheme and encourage ...
them to repeat the desired skills because of the motivational feedback of blocked practice as a result of greater success in practice sessions. ...
One of the planning methods of the practice variability is a phenomenon called "Contextual interference." ...
doaj:cd7ff16c64e64aefac159da55684213b
fatcat:2tkvkp7usndwhkh3piralg56fe
Computational methods in number theory, Part I
1984
Discrete Applied Mathematics
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Voorhoeve: Factorization
algorithms
of
exponential
order. C. Pomerance: Analysis and comparison
of some integer factoring
algorithms.
H. J. .I. ...
Models of non-
contextual
hidden-variable
theories; exceptional
states. Local contextual
hidden-variable
theories;
Bell's inequalities.
References. ...
doi:10.1016/0166-218x(84)90119-7
fatcat:2nvaf7k6xbhetnqpnhqkxob4xe
Computational methods in number theory, Part II
1984
Discrete Applied Mathematics
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Voorhoeve: Factorization
algorithms
of
exponential
order. C. Pomerance: Analysis and comparison
of some integer factoring
algorithms.
H. J. .I. ...
Models of non-
contextual
hidden-variable
theories; exceptional
states. Local contextual
hidden-variable
theories;
Bell's inequalities.
References. ...
doi:10.1016/0166-218x(84)90120-3
fatcat:yozkfg7ba5h27aak5msdkjfzue
The Müller-Lyer contrast illusion: A computational approach
1993
Perception & Psychophysics
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When a temporal delay is interposed between the contextual elements (wings) and the focal element (central axis) of the Miiller-Lyer figures, the usual assimilation illusion changes to an illusion of contrast ...
Presentation time for the preceding contextual wings on the order of 1 sec or more was needed to produce contrast effects in judgments of the following focal axis (Experiment 3) and, given sufficient presentation ...
Method The method employed in the first two experiments was based on Jordan and UhIarik's (1986) Experiment 1, but with a manipulated dark interval between contextual and focal stimuli instead of a constant ...
doi:10.3758/bf03211775
pmid:8255715
fatcat:uqqa7e6kgjeyjgqfhhzqbsgyta
The influence of context on distinct facial expressions of disgust
2018
Emotion
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These findings provide support that physical similarity within discrete categories of facial expressions is mutable and plays an important role in affective face perception. ...
Face perception is susceptible to contextual influence and perceived physical similarities between emotion cues. ...
These results suggest that face perception is susceptible to varying levels of contextual influence as a function of the structural variability within a given facial expression. ...
doi:10.1037/emo0000445
pmid:29888935
fatcat:h4cxr5smvrbffcjj6xlgdjnbqy
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