山口 光太

Research Scientist at CyberAgent AI Lab

Google Scholar / Github / Twitter / Slideshare

略歴

株式会社サイバーエージェントAI LabのResearch Scientist.コンピュータビジョン,機械学習を用いたWebメディアの分析研究に従事.2014年から2017年まで東北大学大学院情報科学研究科助教.2014年米国ニューヨーク州Stony Brook大学にてコンピュータ科学のPh.D.取得.在学中Google Inc. エンジニアインターン,Johns Hopkins大学にて自然言語処理ワークショップ参加など研究活動に従事.2008年東京大学大学院情報理工学系研究科修士課程修了,2006年東京大学工学部計数工学科卒業.2017年,2016年,2015年MIRU優秀賞受賞.

研究業績

  • Tianlu Wang, Kota Yamaguchi, Vicente Ordonez, "Feedback-prop: Convolutional Neural Network Inference under Partial Evidence", CVPR 2018. [arXiv] [Github]
  • Kota Yamaguchi, Takayuki Okatani, Takayuki Umeda, Kazuhiko Murasaki, Kyoko Sudo, "End-to-end learning potentials for structured attribute prediction", arXiv preprint arXiv:1708.01892. [arXiv]
  • Shuohao Li, Kota Yamaguchi, Takayuki Okatani, "Attention to Describe Products with Attributes", MVA 2017. [IEEE]
  • Pongsate Tangseng, Kota Yamaguchi, Takayuki Okatani, "Recommending outfits from personal closet", ICCV Workshops 2017. [arXiv] [project]
  • Takuya Yashima, Naoaki Okazaki, Kentaro Inui, Kota Yamaguchi, Takayuki Okatani, "Learning to Describe E-Commerce Images from Noisy Online Data", ACCV 2016. [Springer]
  • Masayasu Muraoka, Sumit Maharjan, Masaki Saito, Kota Yamaguchi, Naoaki Okazaki, Takayuki Okatani, Kentaro Inui, "Recognizing Open-Vocabulary Relations between Objects in Images", PACLIC 2016. [PDF]
  • Pongsate Tangseng, Zhipeng Wu, Kota Yamaguchi, "Looking at Outfit to Parse Clothing", arXiv preprint arXiv:1703.01386. [arXiv] [project]
  • Sirion Vittayakorn, Takayuki Umeda, Kazuhiko Murasaki, Kyoko Sudo, Takayuki Okatani, Kota Yamaguchi, "Automatic Attribute Discovery with Neural Activations", ECCV 2016. [arXiv]
  • Vicente Ordonez, Xufeng Han, Polina Kuznetsova, Girish Kulkarni, Margaret Mitchell, Kota Yamaguchi, Karl Stratos, Amit Goyal, Jesse Dodge, Alyssa Mensch, Hal Daume III, Alexander C Berg, Yejin Choi, Tamara L Berg, "Large Scale Retrieval and Generation of Image Descriptions", IJCV 2015. [Springer]
  • Kota Yamaguchi, Takayuki Okatani, Kyoko Sudo, Kazuhiko Murasaki, Yukinobu Taniguchi, "Mix and Match: Joint Model for Clothing and Attribute Recognition", BMVC 2015. [BMVA]
  • Sirion Vittayakorn, Kota Yamaguchi, Alexander C Berg, Tamara L Berg, "Runway to Realway: Visual Analysis of Fashion", WACV 2015. [IEEE]
  • Kota Yamaguchi, Tamara L Berg, Luis E Ortiz, "Chic or Social: Visual Popularity Analysis in Online Fashion Networks", ACM Multimedia 2014. [ACM]
  • M Hadi Kiapour, Kota Yamaguchi, Alexander C Berg, Tamara L Berg, "Hipster Wars: Discovering Elements of Fashion Styles", ECCV 2014. [Springer]
  • Kota Yamaguchi, M Hadi Kiapour, Luis E Ortiz, Tamara L Berg, "Retrieving Similar Styles to Parse Clothing", TPAMI 2014. [IEEE]
  • Kota Yamaguchi, M Hadi Kiapour, Tamara L Berg, "Paper Doll Parsing: Retrieving Similar Styles to Parse Clothing Items", ICCV 2013. [IEEE] [Github]
  • Kota Yamaguchi, M Hadi Kiapour, Luis E Ortiz, Tamara L Berg, "Parsing Clothing in Fashion Photographs", CVPR 2012. [IEEE]
  • Alexander C Berg, Tamara L Berg, Hal Daume III, Jesse Dodge, Amit Goyal, Xufeng Han, Alyssa Mensch, Margaret Mitchell, Aneesh Sood, Karl Stratos, Kota Yamaguchi, "Understanding and Predicting Importance in Images", CVPR 2012. [IEEE]
  • Jesse Dodge, Amit Goyal, Xufeng Han, Alyssa Mensch, Margaret Mitchell, Karl Stratos, Kota Yamaguchi, Yejin Choi, Hal Daume III, Alexander C Berg, Tamara L Berg, "Detecting visual text", NAACL 2012. [ACM]
  • Margaret Mitchell, Jesse Dodge, Amit Goyal, Kota Yamaguchi, Karl Stratos, Xufeng Han, Alyssa Mensch, Alexander C Berg, Tamara L Berg, Hal Daume III, "Midge: Generating Image Descriptions From Computer Vision Detections", European Chapter of the Association for Computational Linguistics, EACL 2012. [PDF]
  • Kota Yamaguchi, Alexander C Berg, Luis E Ortiz, Tamara L Berg, "Who are you with and where are you going?", CVPR 2011. [IEEE]
  • Kota Yamaguchi, Takashi Komuro, Masatoshi Ishikawa, "PTZ Control with Head Tracking for Video Chat", ACM CHI 2009 Extended Abstracts.
  • Kota Yamaguchi, Yoshihiro Watanabe, Takashi Komuro, Masatoshi Ishikawa, "Interleaved Pixel Lookup for Embedded Computer Vision", Fourth IEEE Workshop on Embedded Computer Vision (ECVW).
  • Kota Yamaguchi, Yoshihiro Watanabe, Takashi Komuro, Masatoshi Ishikawa, "Design of a Massively Parallel Vision Processor based on Multi-SIMD Architecture", 2007 IEEE International Symposium on Circuits and Systems (ISCAS2007), pp.3498-3501.

日本語

  • 村岡雅康, Sumit Maharjan, 齋藤真樹, 山口光太, 岡崎直観, 岡谷貴之, 乾健太郎, 画像説明文生成に向けた物体間の関係の認識. 言語処理学会第22回年次大会, pp.669-672, March 2016.
  • Maharjan Sumit, 齋藤真樹, 山口光太, 岡崎直観, 岡谷貴之, 乾健太郎, Learning Visual Attributes from Image and Text. 言語処理学会第21回年次大会, pp.1048-1051, March 2015.
  • Kota Yamaguchi, Yoshihiro Watanabe, Takashi Komuro, Masatoshi Ishikawa, "An Interface for Peering inside Remote Field of View", Proc. 13th Image Media Processing Symposium (IMPS2008), pp. 83-84.
  • Kota Yamaguchi, Yoshihiro Watanabe, Takashi Komuro, Masatoshi Ishikawa, "Design of a Massively Parallel Vision Processor for High Speed Image Recognition", Proc of Forum on Information Technology 2006, Vol. 1, pp 181-184.
  • Kota Yamaguchi, Yoshihiro Watanabe, Takashi Komuro, Masatoshi Ishikawa, "Design of a High-Performance Vision Processor with Shared-Memory Multi-SIMD Architecture", Technical Report, Technical Committee on Integrated Circuits and Devices (ICD), Vol. 106, No. 92, pp 89-94.