comparison of reconstruction algorithms for digital breast tomosynthesis
Báo cáo hóa học: " Research Article A Comparison of Detection Performance for Several Track-before-Detect Algorithms" doc
Ngày tải lên :
22/06/2014, 19:20
... performance of four alternative track-before-
detect algorithms has been investigated for a range of target
SNR values and speeds. For most of the scenarios the differ-
ence in detection performance ... of detection for that SNR. The false track
performance at the SNR values of interest is shown in Tab l e 2.
The false track performance of the PDAF-AI is clearly unac-
ceptable below 12 dB. For ... history was included.
At 3 dB, all of the algorithms showed degraded detec-
tion performance and found less than half of the targets.
Again, the H-PMHT performed poorly for high speed tar-
gets. It...
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A Comparison of Event Models for Naive Bayes Text Classi cation potx
Ngày tải lên :
16/03/2014, 19:20
... information in the probability distributions
of words for each class. For example, if the word “pro-
fessor” is the most likely word for faculty home pages, it
will have a large probability for ... Bayes-optimal estimates for
these parameters from a set of labeled training data.
Here, the estimate of the probability of word w
t
in class
c
j
is:
2
Many previous formalizations of the multinomial ... of the classification tasks from Reuters.
Multinomial event models do an average of 4.8% points
better. This domain tends to require smaller vocabular-
ies for best performance. See Figure 6 for...
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Báo cáo khoa học: Systems biology: model based evaluation and comparison of potential explanations for given biological data pot
Ngày tải lên :
23/03/2014, 06:20
... based on information that is not immediately
apparent from the data. For example, in the evaluation
of the importance of re-cycling of STAT5 [9–11], a pri-
mary argument for the importance of this ... data
alone. After that, we review methods for comparison
of the predictive ability of two models, and finally sug-
gest a scheme for the general comparison of two or
more models. In the subsequent ... 23,
2747–2753.
Supporting information
The following supplementary material is available:
Doc. S1. Simulation files used for the calculations in
the examples.
Doc. S2. Summary of standard formulae for model
comparison, ...
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Báo cáo khoa học: "A Comparison of Chinese Parsers for Stanford Dependencies" ppt
Ngày tải lên :
23/03/2014, 14:20
... gen-
eration of basic Stanford dependencies (for constituent parsers) and part -of- speech tagging (for dependency parsers).
3 Results
Table 3 tabulates efficiency and performance for all
parsers; ... Proceedings of
the fourth SIGHAN bakeoff.
Fei Wu and Daniel S. Weld. 2010. Open information extraction
using Wikipedia. In Proceedings of the 48th Annual Meet-
ing of the Association for Computational ... Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics, pages 11–16,
Jeju, Republic of Korea, 8-14 July 2012.
c
2012 Association for Computational Linguistics
A Comparison...
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Báo cáo khoa học: "A Comparison of Event Models for Naive Bayes Anti-Spam E-Mail Filtering" potx
Ngày tải lên :
31/03/2014, 20:20
... the
document.
From a linguistic point of view, a document is
made up of words, and the semantics of the doc-
ument is determined by the meaning of the words
and the linguistic structure of the document. The
Naive ... respect
to the amount of information it captures about the
307
3.2 Feature Selection in the Multinomial
used feature ranking functions of the form in (10):
Model
Mutual information as in (9) ... parame-
ters of
c
3
with distribution
P(d
i
lc
3
; 0).
The likeli-
hood of a document is given by the total probabil-
ity
0)
= E
p(e
i
j=1
Of course, the true parameters
0
of the mixture
model...
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topological algorithms for digital image processing
Ngày tải lên :
05/06/2014, 11:59
... m-component
of the I's of /
contains
two or
more m-components
of the
Ts
of T{I)
(i.e.,
no
m-component
of the I's of / is
split
by T).
FC2.
Every m-component
of the Ts of /
... n-components of
the O's of / (i.e., no two n-components of the O's of / are merged by T).
BC4.
Every n-component of the O's of T{I) contains an n-component of the O's
of / (i.e., ... image
transformation
of A
preserves foreground connectivity
for the
input image
I.
Proof.
Let T be A's
cyclic image transformation. Suppose
T
does
not
preserve foreground
connectivity
...
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báo cáo hóa học:" A comparison of classification methods for predicting Chronic Fatigue Syndrome based on genetic data" potx
Ngày tải lên :
18/06/2014, 15:20
... coded as 0 for homozygote of the
major allele, 1 for heterozygote, and 2 for homozygote of
the minor allele, respectively.
Classification algorithms
In this study, we used three families of classification ... decision
tree, as a basis for comparisons. These classifiers were per-
formed using the Waikato Environment for Knowledge
Analysis (WEKA) software [19]. First, naive Bayes is the
simplest form of Bayesian ... BioMed Central
Page 1 of 8
(page number not for citation purposes)
Journal of Translational Medicine
Open Access
Research
A comparison of classification methods for predicting Chronic
Fatigue...
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Báo cáo sinh học: " Comparison of amplification enzymes for Hepatitis C Virus quasispecies analysis" docx
Ngày tải lên :
19/06/2014, 08:20
... Department of Laboratory Medicine, University of Washington, Seattle, WA, USA,
2
Department of Microbiology,
University of Washington, Seattle, WA, USA,
3
Department of Pathobiology, University of ...
4
Department of
Biostatistics, University of Washington, Seattle, WA, USA,
5
Department of Medicine, University of Washington, Seattle, WA, USA,
6
Department of
Pediatrics, University of Washington, ... a trend for
increased HMR for Taq amplified HALT-C samples as well
as for HMR and complexity scores for HCV/HIV co-
infected samples. Based on the current results, it would
Comparison of quasipecies...
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Báo cáo hóa học: " Comparison of regression models for estimation of isometric wrist joint torques using surface electromyography" potx
Ngày tải lên :
19/06/2014, 08:20
... Half of the summation of PCSA values for non-primary
flexors was added to each of the two primary flexors
while a third of the summation of PCSA values for non-
primary extensors ... networks
forestimationofthumb-tipforcesunderfourdifferent
configurations. In another study, performance of a Hill-
based physiological muscle model was compared to a
neural network for estimation of forearm ... witnessed for forces of up to
30% of the maximum isometric force [33]. These non-
linear relationships can be associated with exponential
increases in firing rate of motor units as muscle forces
increase...
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Báo cáo hóa học: " Error analysis and implementation considerations of decoding algorithms for time-encoding machine" ppt
Ngày tải lên :
21/06/2014, 03:20
... parameter r oft en plays an important role in the perfor-
mance of the reconstruction algorithms. Hence, we
believe it is a fair comparison of al gorithms only if each
reaches same level of OSR. ... formulation of the reconstruction problem was
proposed by Lazar and co-workers [4] to i ncrease the
speed of the reconstruction algorithm. In both recon-
struction algorithms, the inversion of ... tolerance
level of the other two methods to a low value to boost
the low noise performance, their performance would be
much worse at high noise level, as shown in F igure 5c
(for example the performance of...
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Báo cáo hóa học: " Research Article A Total Variation Regularization Based Super-Resolution Reconstruction Algorithm for Digital Video" ppt
Ngày tải lên :
22/06/2014, 19:20
... Stanford
University, Stanford, Calif. At Stanfor d, he
developed image processing algorithms for
the Programmable Digital Camera project.
He also consulted for industry in the ar-
eas of digital ... Based
on these basic reconstruction models, researchers have de-
veloped algorithms with a joint formulation of reconstruc-
tion and registration [19–22], and other algorithms for mul-
tispectral ... additional information from each LR image.
Generally, SR techniques can be divided into two classes of
algorithms, namely, f requency domain algorithms and spa-
tial domain algorithms. Most of the...
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Báo cáo hóa học: " Use of Genetic Algorithms for Contrast and Entropy Optimization in ISAR Autofocusing" doc
Ngày tải lên :
22/06/2014, 23:20
... 10.1155/ASP/2006/87298
Use of Genetic Algorithms for Contrast and Entropy
Optimization in ISAR Autofocusing
Marco Martorella, Fabrizio Berizzi, and Silvia Bruscoli
Department of Information Engineering, University of ... image entropy. In this paper
a solution of this problem is proposed by using genetic algorithms. The performances of the new algorithms that make use of
genetic algorithms overcome the problem with ... ineering (EEE) of the University of Adelaide under a
postdoctoral contract, and the Department of Information Tech-
nology and Electrical Engineering (ITEE) of the University of
Queensland as...
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Báo cáo hóa học: " Research Article Convergence Comparison of Several Iteration Algorithms for the Common Fixed Point Problems" pot
Ngày tải lên :
21/06/2014, 20:20
... Applications
exists for each x, y ∈ SE; ii a uniformly G
ˆ
ateaux differentiable norm, if for each y in SE,
the limit 2.2 is uniformly attained for x ∈ SE; iii aFr
´
echet differentiable norm,iffor
each ... 2.2 is attained uniformly for y ∈ SE; iv a uniformly Fr
´
echet
differentiable norm we also say that E is uniformly smooth, if the limit 2.2 is attained
uniformly for x, y SE ì SE. A ... pages
doi:10.1155/2009/824374
Research Article
Convergence Comparison of Several Iteration
Algorithms for the Common Fixed Point Problems
Yisheng Song and Xiao Liu
College of Mathematics and Information Science, Henan Normal...
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