Masaoki Tamura

ORCID: 0000-0003-0358-4446
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About
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Research Areas
  • Experimental Behavioral Economics Studies
  • Economic theories and models
  • Consumer Market Behavior and Pricing
  • Media Influence and Politics
  • Taxation and Compliance Studies
  • Speech and Audio Processing
  • Nonprofit Sector and Volunteering
  • Electoral Systems and Political Participation
  • Economic Theory and Policy
  • Radiation Detection and Scintillator Technologies
  • Pharmaceutical Economics and Policy
  • Global Health Care Issues
  • Earthquake and Disaster Impact Studies
  • Robot Manipulation and Learning
  • Face recognition and analysis
  • Kruppel-like factors research
  • Diabetes Management and Research
  • Populism, Right-Wing Movements
  • Gestational Trophoblastic Disease Studies
  • Urban and spatial planning
  • COVID-19 impact on air quality
  • Robotic Mechanisms and Dynamics
  • Mechanical Circulatory Support Devices
  • Medical Imaging Techniques and Applications
  • Comparative International Legal Studies

Wakayama University
2022-2023

Nagoya University of Commerce and Business
2018-2022

Shinshu University
2022

Oji Holdings (Japan)
2014-2019

University of Occupational and Environmental Health Japan
2018

Development Bank of Japan
2018

Kyoto University
2016

Hitotsubashi University
2013

Japan University of Economics
2012

The University of Tokyo
2012

This paper presents a new technique for synthesizing visual speech from arbitrarily given text. The is based on an algorithm parameter generation HMM with dynamic features, which has been successfully applied to text-to-speech synthesis. In the training phase, syllable HMMs are trained sequences that represent lip movements. synthesis sentence constructed by concatenating corresponding phonetic transcription input Then optimum sequence generated in ML sense. proposed can generate...

10.1109/icassp.1998.679698 article EN 2002-11-27

On July 22, 2020, the Japanese government launched "Go to Travel" campaign that subsidizes 50% of personal travel expenditure support tourism industry under COVID-19 pandemic. This policy was controversial from viewpoint infection spread and temporarily cancelled in December though there no statistical evidence. is first study measures extent which this increased cases. regards as a natural experiment: although Tokyo its commuting areas experienced same time-series trends cases before To...

10.1016/j.jth.2022.101407 article EN cc-by Journal of Transport & Health 2022-05-31

10.1016/j.nima.2014.10.005 article EN Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment 2014-10-14

Furosemide, which is used worldwide as a diuretic agent, inhibits sodium reabsorption in Henle's loop, resulting diuresis and natriuresis. Arginine vasopressin ( AVP ) synthesised the supraoptic nucleus SON ), paraventricular PVN suprachiasmatic of hypothalamus. The synthesis magnocellular neurones physiologically regulated by plasma osmolality blood volume contributes to water homeostasis increasing collecting duct. Central dynamics after peripheral administration furosemide remain unclear....

10.1111/jne.12603 article EN Journal of Neuroendocrinology 2018-04-23

10.1016/j.jval.2016.03.777 article EN publisher-specific-oa Value in Health 2016-05-01

This article analyzes the difference of properties economic growth theory between perfect and monopolistic competition. Whether or not capital investment is constrained by effective demand crucial factor which characterizes theories in different degree Whenever each firm faces a downward sloping curve location determined strength (i.e., real GDP), its accumulation inevitably demand. Thus, as far business environment kept unchanged, so investment. However, when good market perfectly...

10.4236/tel.2013.34036 article EN Theoretical Economics Letters 2013-01-01

While some donors boast about their giving, others give anonymously. A novel feature of this paper is that anonymity endogenously controlled by themselves, not exogenously fundraisers. Is anonymous giving really a virtue, as generally recognised? Paradoxically, proves vice for fundraisers even if it what desire. If many altruists (a good type) switch from known to relatively lowers the group reputation and enhances non-donors. These effects dilute incentive other individuals become donors,...

10.4236/tel.2012.24071 article EN Theoretical Economics Letters 2012-01-01

Recently, concatenative speech synthesizers with large databases have been widely developed for high-quality synthesis. However, some platforms require a synthesis system that can work under the limitation of memory footprint or computational cost. In this paper, we propose scalable synthesizer based on plural unit selection and fusion method. To realize scalability, offline method in which pitch-cycle waveforms voiced segments are fused advance. The experimental results show synthetic...

10.1109/icassp.2005.1415125 article EN 2006-10-11

This study theoretically analyses the role of firms' prize promotions, using a simple and general microeconomic model. In static environment, promotions are meaningless. However, in dynamic work as credible announcements on expansions those future production. The key lies supply lottery tickets promotions. Because have been proved to be equivalent announcements, we can say that costless one best commitment tools time‐inconsistency between firm consumers. Copyright © 2016 John Wiley & Sons, Ltd.

10.1002/mde.2803 article EN Managerial and Decision Economics 2016-05-18

日本建築学会では,環境に配慮したコンクリートおよび鉄筋コンクリート工事のあり方を示すことを目的として,2008年9月に「鉄筋コンクリート造建築物の環境配慮施工指針(案)・同解説」を制定した。本稿は,その概要をまとめたものである。

10.3151/coj.47.4_5 article JA Concrete Journal 2009-01-01

This study examines the signaling roles of political parties and advertising. Although politicians’ types are unobservable during an election, their party affiliations advertisements observable to voters. Through these two behaviors, politicians can reveal hidden public. We extend Snyder Ting a multi-period model with possibility reelection examine relationships advertisements. show that not sufficient signals types. Political work as complementary signal parties. With advertisements, voters...

10.4236/tel.2018.83018 article EN Theoretical Economics Letters 2018-01-01

In this study, we develop a control system for automating the sewing of two pieces fabric (one curved and other straight) into 3D shape. operation, it is necessary to desired position attitude while suppressing reaction force generated when acquires Therefore, developed device based on movements actual workers by confirming procedure. The consists arm mechanisms per piece used mimic operator's fingers, high-speed camera replace eyes. mechanism controlled using an image processing method...

10.1016/j.ifacol.2022.10.484 article EN IFAC-PapersOnLine 2022-01-01

A surface-wave method and a seismic refraction were applied to residential area liquefied by The Mid Niigata Prefecture Earthquake in 2004 order evaluate the applicability of investigations liquefaction potential evaluation. result analysis agreed with actual damage. shear-wave velocity obtained from was carried out. Groundwater level estimated also that monitoring wells. groundwater are important factors implies enable us surface nondestructively.

10.3997/2352-8265.20140099 article EN 2008-01-01

“Otaki model” is an overlapping generations (OLG) model with fiat money and imperfect competition. It derives Keynesian implications such as involuntary unemployment, welfare-improving fiscal monetary policy, non-neutrality. Though its structure can be applied to other models productive implications, the Otaki has not been fully understood by economists. One reason could that in seminal works about model, he implicitly changed hidden assumptions, hence, of model. By employing aimed at...

10.4236/tel.2019.91010 article EN Theoretical Economics Letters 2019-01-01
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