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Browsing 国際会議発表論文 / Proceedings by Title

Browsing 国際会議発表論文 / Proceedings by Title

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  • UbiREAL: Realistic Smartspace Simulator for Systematic Testing 
    Nishikawa, Hiroshi; Yamamoto, Shinya; Tamai, Morihiko; Nishigaki, Kouji; Kitani, Tomoya; Shibata, Naoki; Yasumoto, Keiichi; Ito, Minoru (Springer, 2006)
    In this paper, we propose a simulator for facilitating reliable and inexpensive development of ubiquitous applications where each application software controls a lot of information appliances based on the state of external ...
  • UbiREMOTE: framework for remotely controlling networked appliances through interaction with 3D virtual space 
    Kiyokawa, Kohta; Yamamoto, Shinya; Shibata, Naoki; Yasumoto, Keiichi; Ito, Minoru (ACM, 2010)
    In this paper, we propose a framework named ``UbiREMOTE'' for controlling information appliances connected to a home network with a unified and intuitive user interface from a remote place.The UbiREMOTE framework provides ...
  • Ultra-Shallow DoF Imaging Using Faced Paraboloidal Mirrors 
    Nishi, Ryoichiro; Aoto, Takahito; Kawai, Norihiko; Sato, Tomokazu; Mukaigawa, Yasuhiro; Yokoya, Naokazu (Springer International Publishing, 2017-03-11)
    We propose a new imaging method that achieves an ultra-shallow depth of field (DoF) to clearly visualize a particular depth in a 3-D scene. The key optical device consists of a pair of faced paraboloidal mirrors with holes ...
  • Unconstrained Many-to-Many Alignment for Automatic Pronunciation Annotation 
    Kubo, Keigo; Kawanami, Hiromichi; Saruwatari, Hiroshi; Shikano, Kiyohiro (2011-10)
    An alignment between graphemes and phonemes is vital data to annotate the pronunciation for out-of-vocabulary words. We desire an alignment to be (1) many-to-many and (2) fine-grained. A traditional one-to-one alignment ...
  • Understanding When to Adopt a Library: A Case Study on ASF Projects 
    Ihara, Akinori; Fujibayashi, Daiki; Suwa, Hirohiko; Kula, Raula Gaikovina; Matsumoto, Kenichi (Springer International Publishing, 2017-04-23)
    Software libraries are widely used by both industrial and open source client projects. Ideally, a client user of a library should adopt the latest version that the library project releases. However, sometimes the latest ...
  • Uniform Partition in Population Protocol Model under Weak Fairness 
    Yasumi, Hiroto; Ooshita, Fukuhito; Inoue, Michiko (Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik, 2019-12-19)
    We focus on a uniform partition problem in a population protocol model. The uniform partition problem aims to divide a population into k groups of the same size, where k is a given positive integer. In the case of k=2 ...
  • Unit Selection Algorithm for Japanese Speech Synthesis Based on Both Phoneme Unit and Diphone Unit 
    Tomoki Toda; Hisashi Kawai; Minoru Tsuzaki; Kiyohiro Shikano (IEEE, 2002-05)
    This paper proposes a novel unit selection algorithm for Japanese Text-To-Speech (TTS) systems. Since Japanese syllables consist of CV (C: Consonant, V: Vowel) or V, except when a vowel is devoiced, CV units are basic to ...
  • Unknown Example Detection for Example-based Spoken Dialog System 
    Takeuchi, Shota; Kawanami, Hiromichi; Saruwatari, Hiroshi; Shikano, Kiyohiro (IEEE, 2009-08)
    In a spoken dialog system, the example-based response generation method generates a response by searching a dialog example database for the example question most similar to an input user utterance. That method has the ...
  • Unsupervised Noisy Environment Adaptation Algorithm Using MLLR and Speaker Selection 
    Miichi Yamada; Akira Baba; Shinichi Yoshizawa; Yuichiro Mera; Akinobu Lee; Hiroshi Saruwatari; Kiyohiro Shikano (2001-09)
    An unsupervised acoustic model adaptation algorithm using MLLR and speaker selection for noisy environments is proposed. The proposed algorithm requires only one arbitrary utterance and environmental noise data. The ...
  • Unsupervised Speaker Adaptation Based on HMM Sufficient Statistics in Various Noisy Environments 
    Shingo Yamade; Akinobu Lee; Hiroshi Saruwatari; Kiyohiro Shikano (2003-09)
    Noise and speaker adaptation techniques are essential to realize robust speech recognition in noisy environments. In this paper, first, a noise robust speech recognition algorithm is implemented by superimposing a small ...
  • Unsupervised Speaker Adaptation Based on Sufficient HMM Statistics of Selected Speakers 
    Shinichi Yoshizawa; Akira Baba; Kanako Matsunami; Yuichiro Mera; Miichi Yamada; Kiyohiro Shikano (IEEE, 2001-05)
    Describes an efficient method for unsupervised speaker adaptation. This method is based on (1) selecting a subset of speakers who are acoustically close to a test speaker, and (2) calculating adapted model parameters ...
  • The Use of Air-Pressure Sensor in Electrolaryngeal Speech Enhancement Based on Statistical Voice Conversion 
    Keigo Nakamura; Tomoki Toda; Hiroshi Saruwatari; Kiyohiro Shikano (2010-09)
    In our previous work, we proposed a speaking-aid system converting electrolaryngeal speech (EL speech) to normal speech using a statistical voice conversion technique. The main weakness of our system is the difficulty of ...
  • A User Interface Design for the Elderly using a Projection Tabletop System 
    Goshiro Yamamoto,Jaakko Hyry,Max Krichenbauer,Takafumi Taketomi,Christian Sandor, Hirokazu Kato,Petri Pulli (IEEE, 2015-03)
    We present a design of a user interface on a projection tabletop system for the elderly. Nowadays, the population imbalance between the elderly who require daily care and caregivers is being one of global social issues ...
  • User Localization Using Wearable Electromagnetic Tracker and Orientation Sensor 
    Hamaguchi, Akihiro; Kanbara, Masayuki; Yokoya, Naokazu (IEEE, 2006)
    This paper describes a localization method with wearable electromagnetic sensor and orientation sensor for wearable computer users. Many user localization methods have been investigated to realize location-based services ...
  • User-Generated Text Corpus for Evaluating Japanese Morphological Analysis and Lexical Normalization 
    Higashiyama, Shohei; Utiyama, Masao; Watanabe, Taro; Sumita, Eiichiro (Association for Computational Linguistics, 2021-06)
    Morphological analysis (MA) and lexical normalization (LN) are both important tasks for Japanese user-generated text (UGT). To evaluate and compare different MA/LN systems, we have constructed a publicly available Japanese ...
  • Using High-Rising Cities to Visualize Performance in Real-Time 
    Ogami, Katsuya; Kula, Raula Gaikovina; Hata, Hideaki; Ishio, Takashi; Matsumoto, Kenichi (IEEE, 2017)
    For developers concerned with a performance drop or improvement in their software, a profiler allows a developer to quickly search and identify bottlenecks and leaks that consume much execution time. Non real-time profilers ...
  • Using software birthmarks to identify similar classes and major functionalities 
    Kakimoto, Takeshi; Monden, Akito; Kamei, Yasutaka; Tamada, Haruaki; Tsunoda, Masateru; Matsumoto, Ken-ichi (ACM, 2006-05-22)
    Software birthmarks are unique and native characteristics of every software component. Two components having similar birthmarks indicate that they are similar in functionality, structure and im-plementation. Questions ...
  • Using Start/End Timings of Spectral Transitions Between Phonemes in Concatenative Speech Synthesis 
    Toshio Hirai; Seiichi Tenpaku; Kiyohiro Shikano (2002-09)
    The definition of "phoneme boundary timing" in a speech corpus affects the quality of concatenative speech synthesis systems. For example, if the selected speech unit is not appropriately match to the speech unit of the ...
  • Utterance-based Selective Training for Cost-Effective Task-Adaptation of Acoustic Models 
    Cincarek, Tobias; Toda, Tomoki; Saruwatari, Hiroshi; Shikano, Kiyohiro (2006-05)
    The construction of acoustic models for speech recognition systems is a very costly and time-consuming process, since their robust training requires large amounts of transcribed speech data. This paper describes an approach ...
  • A vehicle clustering algorithm for information propagation by inter-vehicle communications 
    Washio, Naohiro; Matsuura, Satoshi; Kakiuchi, Masatoshi; Inomata, Atsuo; Fujikawa, Kazutoshi (IEEE, 2015-03)
    There are some cases regarding information propagation over a wide area, such as Vehicle-to-Vehicle (V2V) communications, in which an end-to-end path does not exist, due to the non-uniform density of vehicles. In order to ...

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