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32nd IEEE International Conference on Acoustics, Speech and Signal Processing

作者： Jinachitra, Pamornpol Smith, Julius O. Stanford Univ Ctr Comp Res Mus & Acoust Stanford CA 94305 USA

ISBN: (纸本)9781424407286

A generative model of a human voice is presented, based on many pseudo-physical considerations. For robustness, observation noise is also included in the model. An EM-algorithm framework for inference and learning is then described. An instance of approximate inference and subsequent learning presented allows an extraction of voice parameter which can be used for structured coding application. This set of parameters allows a great amount of compression as well as the flexibility in making modification to pitch, duration and breathiness, noise-free synthesis compared to other non-parametric approaches.

关键词： structured coding parametric voice modeling speech enhancement generative model of voice

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Interaction-based creative thinking research and its application in artistic creation

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THINKING SKILLS AND CREATIVITY 2025年 56卷

作者： Wu, Rouqin Fan, Jianxiong Tang, Chaolan Yang, Xian Guangdong Univ Technol Sch Art & Design 464 East Huanshi Rd Guangzhou 510075 Peoples R China

Creative thinking plays a crucial role in guiding artistic creation. However, Traditional Creative Thinking (TCT) currently lacks scientific and actionable frameworks for artistic creation. This paper proposes Interaction-based Creative Thinking (IbCT) and uses a collage creation experiment to validate its effectiveness. The experiment identifies key factors involved in collage creation and recruits 35 designers each for the experimental group (using IbCT) and the control group (using TCT). The Think-aloud Protocol (TAP) was employed to record the verbal expressions of participants during the artistic creation process for coding. The Divergence Index (D), based on the Cognitive coding scheme, is used to evaluate the depth of thinking in artistic creation, while the Microscopic Ideation Index (I), based on the Micro-concept coding scheme, assesses the quantity of creativity in artistic creation. The data reveals that: (1) with the involvement of key factors, the experimental group significantly outperforms the control group in terms of D, increasing the frequency of cognitive activities in artistic design and promoting the depth of thinking in artistic creation. (2) Within the experimental group, D is higher when key factors are involved, confirming the positive impact of these factors on artistic creation. However, in the control group, no differences are observed regardless of whether key factors are involved. The IbCT proposed in this paper regards creative thinking as a result of the interaction of multiple key factors, providing directional direction for artistic creation and its thinking, and solving the research gap of TCT with weak directionality. This paper not only reveals the internal mechanism and cognitive model of IbCT, but also paves new pathways for artistic creation and provides new perspectives for artistic creation.

关键词： Artistic creation Interaction-based creative thinking Think-aloud protocol structured coding Cognition

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On the Optimal Achievable Rates for Linear Computation With Random Homologous Codes

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IEEE TRANSACTIONS ON INFORMATION THEORY 2020年第10期66卷 6200-6221页

作者： Sen, Pinar Lim, Sung Hoon Kim, Young-Han Univ Calif San Diego Dept Elect & Comp Engn La Jolla CA 92093 USA Hallym Univ Sch Software Chunchon 24252 South Korea

The problem of computing a linear combination of sources over a multiple access channel is studied. Inner and outer bounds on the optimal tradeoff between the communication rates are established when encoding is restricted to random ensembles of homologous codes, namely, structured nested coset codes from the same generator matrix and individual shaping functions, but when decoding is optimized with respect to the realization of the encoders. For the special case in which the desired linear combination is "matched" to the structure of the multiple access channel in a natural sense, these inner and outer bounds coincide. This result indicates that most, if not all, coding schemes for computation in the literature that rely on random construction of nested coset codes cannot be improved by using more powerful decoders such as the maximum likelihood decoder. The proof techniques are adapted to characterize the rate region for broadcast channels achieved by Marton's (random) coding scheme under maximum likelihood decoding. By generalizing some of the techniques, a single-letter outer bound for the capacity region of the computation problem is presented and compared with the inner bound achieved by homologous codes.

关键词： Maximum likelihood decoding Receivers Lattices Generators Linear codes Multiple access channel broadcast channel structured coding linear code maximum likelihood decoding simultaneous decoding Marton's coding

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Lattices for Distributed Source coding: Jointly Gaussian Sources and Reconstruction of a Linear Function

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IEEE TRANSACTIONS ON INFORMATION THEORY 2009年第12期55卷 5628-5651页

作者： Krithivasan, Dinesh Pradhan, S. Sandeep Univ Michigan Dept Elect Engn & Comp Sci Ann Arbor MI 48109 USA

Consider a pair of correlated Gaussian sources (X-1, X-2). Two separate encoders observe the two components and communicate compressed versions of their observations to a common decoder. The decoder is interested in reconstructing a linear combination of X-1 and X-2 to within a mean-square distortion of D. We obtain an inner bound to the optimal rate-distortion region for this problem. A portion of this inner bound is achieved by a scheme that reconstructs the linear function directly rather than reconstructing the individual components X-1 and X-2 first. This results in a better rate region for certain parameter values. Our coding scheme relies on lattice coding techniques in contrast to more prevalent random coding arguments used to demonstrate achievable rate regions in information theory. We then consider the case of linear reconstruction of K sources and provide an inner bound to the optimal rate-distortion region. Some parts of the inner bound are achieved using the following coding structure: lattice vector quantization followed by "correlated" lattice-structured binning.

关键词： Berger-Tung inner bound distributed source coding function reconstruction lattice codes structured coding

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structured Programming in a Production Programming Environment

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IEEE Transactions on Software Engineering 1975年第2期SE-1卷 241-252页

作者： Baker, F. Terry IBM Federal Systems Division Gaithersburg Md 20760 United States

This paper discusses how structured programming methodology has been introduced into a large production programming organization using an integrated but flexible approach. It next analyzes the advantages and disadvantages of each component of the methodology and presents some quantitative results on its use. It concludes with recommendations based on this generally successful experience, which could be useful to other organizations interested in improving reliability and productivity. Copyright © 1975 by The Institute of Electrical and Electronics Engineers, Inc.

关键词： Chief programmer teams (CPT's) development support libraries (DSL's) structured coding structured programming top-down development top-down programming

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Access your data in an open manner

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Pharmaceutical Programming 2010年第1期3卷 16-23页

作者： Prust, Steve Independent Consultant Germany

Data processing does not necessarily fit iterative techniques and this paper examines the difficulties inherent in the processing implied using SET and MERGE processing in SAS. When we need to access disparate data either across observations or across datasets, it can result in complex, unwieldy code. In these situations, we can use the functionality of the OPEN and associated functions to flexibly access data, producing well-structured and concise code. The paper gives an overview of the functions associated with OPEN and demonstrates their use with the identification of subjects who satisfy algorithmic SMQs. [ABSTRACT FROM AUTHOR]

关键词： MedDRA SMQs OPEN FUNCTION structured coding

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Asymmetric Interference Alignment and Cancelation for 3-user MIMO Interference Channels

Asymmetric Interference Alignment and Cancelation for 3-user...

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IEEE International Conference on Communications (ICC)

作者： Yang, Lu Zhang, Wei Univ New S Wales Sch Elect Engn & Telecommun Sydney NSW 2052 Australia

ISBN: (纸本)9781457720536

Degree of freedom of MIMO interference channels with constant channel coefficients is studied in this paper. An asymmetric interference alignment and cancelation scheme is proposed for the 3-user MIMO interference channels with constant channel coefficients. With M antennas at each transmitter and N antennas at each receiver, the total degree of freedom M+2N/2 can be achieved by the proposed scheme for N < M <= 2N.

关键词： Interference alignment MIMO interference network Asymmetric signaling structured coding Degree of freedom

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