Mpeg 7 audio and beyond audio content indexing and retrieval phần 7 ppsx

... 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

... 20, 22 Audio 3 Audio analysis 2, 59, 65 Audio and video retrieval 2 Audio attribute 164 Audio broadcast 4 Audio class 77 , 258 Audio classification 50, 66, 71 , 74 Audio classifier 32 Audio content ... indexing system 162 Index 103 Index and retrieve spoken documents 163 Indexing 61, 125 Indexing and browsing systems 264 Indexing and retrieval proces...

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 ... Results and Discussion 85 3 .7. 1 Plots of MPEG- 7 Audio Descriptors 86 3 .7. 2 Parameter Selection 88 3 .7. 3 Results for Distinguishing Between Speech, Musi...

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 ... 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 t...

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

... for three HMMs HMM topology Number of states 45 678 Left–right HMM 77  375  978  178  877 5 Forward and backward HMM 61 878  173 76 77 59 Ergodic HMM 58 675 5801843819 corresponding classification ... the MFCC features. 3.6 INDEXING AND SIMILARITY The structure of an audio indexing and retrieval system using MPEG- 7 ASP descriptors is illustrated in Figure 3.1...

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 ... mechanisms for audio in MPEG- 7 , Signal Processing: Image Communication Journal, Special Issue on MPEG- 7, vol. 16, pp. 193–209. Logan B., Moreno P. J. and Deshmu...

Ngày tải lên: 09/08/2014, 18:23

... 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