Mpeg 7 audio and beyond audio content indexing and retrieval phần 8 docx

... a fingerprint, this choice is beyond the scope of the MPEG- 7 standardization and left up to the individual application. (Herre et al., 2002) proposes a simple matching of MPEG- 7 AudioSignature descriptions ... the MPEG- 7 tools developed for this purpose. The MPEG- 7 AudioSignalQuality descriptor contains several features reflect- ing the quality of a signal stored in an Aud...

Ngày tải lên: 09/08/2014, 18:23

... foundation layer. MPEG- 7 Audio and Beyond: Audio Content Indexing and Retrieval H G. Kim, N. Moreau and T. Sikora © 2005 John Wiley & Sons, Ltd 1 Introduction Today, digital audio applications ... to fingerprint one piece of audio data. The efficiency of a particular fingerprint MPEG- 7 Audio and Beyond: Audio Content Indexing and Retrieval H G....

Ngày tải lên: 27/05/2014, 03:59

... 56.20% 66. 58% 61. 38% MM 79 . 28% 78 .82 % 81 .13% 79 .74 % OM 80 .34% 79 .03% 81 .23% 80 .20% SNF 84 .32% 82 . 37% 82 .54% 83 . 07% Sets A, B and C: matched noise condition, mismatched noise condition, and mismatched ... 85 .95% MM 89 . 68% 88 .43% 86 .81 % 88 .30% OM 90.93% 89 . 48% 88 .91% 89 .77 % SNF 91. 37% 91 .75 % 92.13% 91 .75 % NR: noise reduction; Set A,...

Ngày tải lên: 09/08/2014, 18:22

... MPEG- 7 AUDIO CONTENT DESCRIPTION – AN OVERVIEW 3 algorithms beyond MPEG- 7 are introduced and compared with MPEG- 7 in terms of computational complexity and retrieval capabilities. 1.2 MPEG- 7 AUDIO ... Differences 85 3 .7 Simulation Results and Discussion 85 3 .7. 1 Plots of MPEG- 7 Audio Descriptors 86 3 .7. 2 Parameter Selection 88 3 .7. 3 Results...

Ngày tải lên: 09/08/2014, 18:22

... 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 ... within two consecutive bands b (between f = 2 3/4 kHz ≈ 1 681 8 Hz and f = 2 kHz) and b + 1 (between f = 2 kHz and f =2 5/4 kHz ≈ 2 3 78 4Hz). As specified in E...

Ngày tải lên: 09/08/2014, 18:22

... 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 ... vectors are generated from audio clips, and if required reduced in dimension, these are fed into classifiers. The MPEG- 7 audio LLDs and some other non -...

Ngày tải lên: 09/08/2014, 18:22

... Number of states 45 6 78 Left–right HMM 77  375  9 78  1 78  87 7 5 Forward and backward HMM 61 87 8  173 76 77 59 Ergodic HMM 58 675  580  184  381 9 corresponding classification accuracy is 84 .3%. Three iterations ... methods Feature dimension 71 323 PCA-ASP 82 9902950 ICA-ASP 81 79 15946 NMF-ASP 74  577  2 78 6 MFCC 905932942 NMF-ASP: MPEG- 7 ASP based...

Ngày tải lên: 09/08/2014, 18:22

... 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 a SpokenContent ... word and phone hypotheses in the same graph as depicted in the example of Figure 4.6. The MPEG- 7 a SpokenContent description consists of two distinct elements: a Spoken...

Ngày tải lên: 09/08/2014, 18:23

... valid MPEG- 7 SpokenContent description. The level of detail in the lattice depends on the particular application. As men- tioned in Sections 4.3.2.1 and 4.3.2.2, the MPEG- 7 SpokenContent standard 4.4 ... the definition of the MPEG- 7 SpokenCon- tent tool could play a key role in the development of next-generation multimedia indexing and retrieval tools. The MPEG- 7 Spoke...

Ngày tải lên: 09/08/2014, 18:23

... like “warm” or MPEG- 7 Audio and Beyond: Audio Content Indexing and Retrieval H G. Kim, N. Moreau and T. Sikora © 2005 John Wiley & Sons, Ltd 5.2 MELODY 179 Figure 5.5 The MPEG- 7 Meter (from ... 4.1 37 5.020 6.0 98 7. 034 8. 0 78 9.103 10.039 11.1 17 12.0 </Scale> The BP scale represented by the Scale vector contains 13 values: <Scale> 1.3324 3.0...

Ngày tải lên: 09/08/2014, 18:23