Rchr
J-GLOBAL ID:202001002692571257   Update date: Mar. 16, 2022

Koga Hisashi

コガ ヒサシ | Koga Hisashi
Affiliation and department:
Job title: 准教授
Research field  (1): Database science
Research keywords  (6): 圧縮ベースパターン認識 ,  グラフベースパターン認識 ,  データストリーム ,  クラスタリング ,  輻輳制御 ,  類似検索
Research theme for competitive and other funds  (8):
  • 2018 - 2021 時間と共に変化する集合を対象とした類似検索
  • 2015 - 2019 Optimal Construction of Compression-based Feature Space
  • 2012 - 2016 Fast Similarity Search for Structural Data using Structural Digests
  • 2010 - 2012 Compression-based self-organizing Recognizer Design
  • 2009 - 2011 Algorithm Design Considering Interaction with External Inputs
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Papers (19):
  • Hisashi Koga, Daiki Noguchi. Continuous Similarity Search for Evolving Database. Proc. of SISAP 2020, springer LNCS. 2020. 155-167
  • Hong Chen, Hisashi Koga. GL2vec: Graph Embedding Enriched by Line Graphs with Edge Features. Proc. of ICONIP 2019, springer LNCS. 2019. 3-14
  • Yuji Fujiwara, Hisashi Koga. Multiviewpoint-Based Agglomerative Hierarchical Clustering. Proc. of DEXA2019,. 2019. 325-340
  • Hisashi Koga, Satoshi Suzuki, Taiki Itabashi, Gibran Fuentes Pineda, Takahisa Toda. Extended Min-Hash Focusing on Intersection Cardinality. Proc. of IDEAL2018, springer LNCS. 2018. 17-26
  • Daniel Cortés, Mariko Nakano, Hisashi Koga, Héctor Pérez 0001. Evaluation of Image Descriptors for Urban-Rural Classification of Aerial Images. New Trends in Intelligent Software Methodologies, Tools and Techniques - Proceedings of the 16th International Conference(SoMeT). 2017. 204-213
more...
MISC (12):
  • A New Parametric Method for Localized Star Spanning Tree Generation. 2015. 115. 192. 17-22
  • NAKAJIMA Yuji, KOGA Hisashi, TODA Takahisa. Improvement of Feature Space Construction for Pattern Representation on Data Compression. Technical report of IEICE. PRMU. 2014. 114. 356. 63-68
  • Kazuaki Oya, Toshinori Watanabe, Hisashi Koga. A New Parametric Method for Localized Star Spanning Tree Generation. IPSJ SIG Notes. 2014. 2014. 2. 1-5
  • ZOU Zijun, KOGA Hisashi. A BoVW-based similar image Retrieval Supported by Salient Region. Technical report of IEICE. Multimedia and virtual environment. 2014. 113. 403. 183-188
  • KOGA Hisash. Hash-based Similar Search Techniques and Their Applications. IEICE ESS Fundamentals Review. 2014. 7. 3. 256-268
more...
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