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Takuma Yamaguchi

Mercari, Inc. / Director of Engineering / Software Engineer (Machine Learning)東京

Takuma Yamaguchi

Mercari, Inc. / Director of Engineering / Software Engineer (Machine Learning)

Living with Data

機械学習や画像認識・コンピュータビジョンの研究に10年以上携わり、それらに加えオペレーションズリサーチ分野やビッグデータ関連のシステム開発、WEBアプリケーション開発などにも従事。現職、メルカリでは、画像認識を中心とした機械学習技術を積極的に使って、より良いサービスをユーザに届けられるように日々奮闘中。

Mercari, Inc.8 years

Director of Engineering / Software Engineer (Machine Learning)Present

Jun 2016 - Present

Bring an excellent customer experience with the latest technologies in machine learning and computer vision.

GREE, Inc.5 years

Engineering Manager / Lead Engineer

Jan 2012 - May 2016

SNS & Game Data Analysis & Big Data Analysis System Operation (2012-2016): My responsibilities include SNS & game data analysis, big data analysis system operation, developing user tracking system / log collection system / BI tool / recommendation algorithms, and so on. Si

THE NIPPON SIGNAL CO.,LTD6 years

Research Scientist / Software Engneer

Apr 2006 - Jan 2012

Railway Automatic Ticket Gate (2010-2011): The aims of this project are to eliminate illegal passage and to realize supporting system for disability people in a train station. For that purpose, several cameras and an image processing engine are being installed to railway automatic ticket gate. Responsibilities include project management,

信州大学

Ph.D. in Engineering

Mar 2010

Ph.D. Thesis: Extracting Character Information from Images.

Media Drive Corporation2 years

Research Scientist / Software Engneer

Apr 2004 - Mar 2006

Image and Voice Understanding (2004-2006): Main responsibility was to improve the performances of OCR(Optical Character Recognition) engine and singing voice classification engine. The contributions were reducing computation time for OCR by a coarse-to-fine approach using multiple OCR engines hierarchically, and improving the performance