Mpeg 7 audio and beyond audio content indexing and retrieval phần 1 pot
Mpeg 7 audio and beyond audio content indexing and retrieval phần 1 pot
... 17 1
5 .1. 1 Introduction 17 1
5 .1. 2 InstrumentTimbre 17 3
5 .1. 3 HarmonicInstrumentTimbre 17 4
5 .1. 4 PercussiveInstrumentTimbre 17 6
5 .1. 5 Distance Measures 17 6
5.2 Melody 17 7
5.2 .1 Melody 17 7
5.2.2 ... and Sub-Word Indexing 16 1
4.5 Conclusions 16 3
4.5 .1 MPEG- 7 Interoperability 16 3
4.5.2 MPEG- 7 Flexibility 16 4
4.5.3 Perspectives 16 6
References 1...
Routing and Wavelength Assignment in Optical WDM Networks phần 1 pot
... Carolina State University
Raleigh, NC 276 95 -75 34
Phone: 919 - 515 -3860
Fax: 919 - 515 -79 25
Email: rouskas@csc.ncsu.edu
Abstract
This article discusses the routing and wavelength assignment (RWA) problem ... conversion
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1 1
1 1
1 1
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1
Figure 4: Wavelength conversion
The advantage of full wavelengt...
Mpeg 7 audio and beyond audio content indexing and retrieval
... 17 1
5 .1. 1 Introduction 17 1
5 .1. 2 InstrumentTimbre 17 3
5 .1. 3 HarmonicInstrumentTimbre 17 4
5 .1. 4 PercussiveInstrumentTimbre 17 6
5 .1. 5 Distance Measures 17 6
5.2 Melody 17 7
5.2 .1 Melody 17 7
5.2.2 ... and Sub-Word Indexing 16 1
4.5 Conclusions 16 3
4.5 .1 MPEG- 7 Interoperability 16 3
4.5.2 MPEG- 7 Flexibility 16 4
4.5.3 Perspectives 16 6
References 1...
Mpeg 7 audio and beyond audio content indexing and retrieval phần 10 doc
... expansion 15 4
Confusion probabilities 1 57
Confusion statistics 11 8
ConfusionCount 1 17 , 11 8
ConfusionInfo 11 5, 1 17 , 12 1, 16 4
ConfusionInforef 12 1
Conjugate gradient algorithm 71
Consistency 99, 10 0
Content ... information 16 3
Spoken retrieval system 12 6
SpokenContent description 16 3
SpokenContent descriptors 14 6
SpokenContent 8, 9, 11 , 1 27, 13 0,...
Mpeg 7 audio and beyond audio content indexing and retrieval phần 2 doc
... layer.
MPEG- 7 Audio and Beyond: Audio Content Indexing and Retrieval H G. Kim, N. Moreau and T. Sikora
© 2005 John Wiley & Sons, Ltd
2 .7 TIMBRAL DESCRIPTORS 41
Figure 2 .13 MPEG- 7 LAT and TC ... ASR and
its use for MPEG- 7 SpokenContent description. The structure of the MPEG- 7
SpokenContent description itself is presented in detail and discussed in...
Mpeg 7 audio and beyond audio content indexing and retrieval phần 3 potx
... ranked according to
MPEG- 7 Audio and Beyond: Audio Content Indexing and Retrieval H G. Kim, N. Moreau and T. Sikora
© 2005 John Wiley & Sons, Ltd
2 .7 TIMBRAL DESCRIPTORS 47
2 .7. 6 Harmonic Spectral ... 11 27 014 8 log
1 +
fHz
70 0
(2. 61)
2 .10 BEYOND THE SCOPE OF MPEG- 7 51
crosses the zero axis. This count is normalized by the length of the in...
Mpeg 7 audio and beyond audio content indexing and retrieval phần 4 potx
... three HMMs
HMM topology Number of states
45 678
Left–right HMM 77 375 978 17 8 877 5
Forward and backward HMM 61 878 17 3 76 77 59
Ergodic HMM 58 675 580 18 43 81 9
corresponding classification accuracy ... accuracies (%) of 15 sound classes
Feature extraction methods Feature dimension
71 323
PCA-ASP 829902950
ICA-ASP 81 79 1 5946
NMF-ASP 74 577 278 6
MFCC 90...
Mpeg 7 audio and beyond audio content indexing and retrieval phần 5 ppt
... be
formed.
10 4 4 SPOKEN CONTENT
In this chapter we use the well defined MPEG- 7 Spoken Content description
standard as an example to illustrate challenges in this domain. The audio part
of MPEG- 7 contains ... of n 1 words w
i−n +1
w
i−n+2
w
i 1
. For instance, an LM where
the probability of a word only depends on the previous one Pw
i
w
i 1
is
4.3 MPEG- 7 S...
Mpeg 7 audio and beyond audio content indexing and retrieval phần 6 pptx
... DOCUMENT RETRIEVAL 1 57
Target String β (n = 7)
Source String α (m = 6)
u
0
1
2
012 3
v
m
∅
∅
Y
mYC
0
12 3
1
0
21
0
4
E
4
3
n
32
1
4
C
432
5
@
5
6
n
63
5
l
5
6
m
6
7
h
7
12 3456
1
2345
12
345
12 3
45
234
5432
345
543
Final ... =
t∈Q
k
1
+ 1 f
d
t
k
1
1 − b + b
l
d
L
c
+ f
d
t
k
3
+ 1 f
q
t
k
3
+ f
q
t
logIDF
t
(4.29)
where k
1
k
3...
Mpeg 7 audio and beyond audio content indexing and retrieval phần 7 ppsx
... 4 .1 37 5.020 6.098
7. 034 8. 078 9 .10 3 10 .039 11 .1 17 12 .0
</Scale>
The BP scale represented by the Scale vector contains 13 values:
<Scale>
1. 3324 3. 018 5 4.3508 5.82 51 7. 3693 8.8436
10 . 17 6 0 ... 5.82 51 7. 3693 8.8436
10 . 17 6 0 11 .6502 13 .19 44 14 .66 87 16 .0 011 17 . 6 872
19 . 019 6
</Scale>
5.2.4 Key
In music theory, the key is th...