Hidehisa Nagano, Ph.D.
Senior Research Scientist
Recognition Research Group
Media Information Laboratory
NTT Communication Science Laboratories
 Address
Recognition Research Group
Media Information Laboratory
NTT Communication Science Laboratories
31, Morinosato Wakamiya, Atsugishi, Kanagawa 2430198 Japan
 Email address
 February, 2019.
 The publication list was updated.
 May, 2017.
 The publication list was updated.
 November, 2016.
 The publication list was updated.
 September, 2016.
 The publication list was updated.
 April, 2015.
 1924 April 2015, ICASSP 2015.
I will have a presentation of our paper.
H. Nagano, R. Mukai, T. Kurozumi and K. Kashino, "A fast audio search method based on skipping irrelevant signals by similarity upperbound calculation"
(Session MMSPP2: Multimedia & Multimodal Signal Processing II, Wednesday, April 22, 15:30  17:30)
Biography
Hidehisa Nagano received the B.E. and M.E. degrees in information and computer sciences from Osaka University, in 1994 and 1996, respectively. In 1996, he joined NTT Communication Science Laboratories.
He received the Ph.D. degree in information science and technology from Osaka University in 2005.
From 2011 to 2012, he was a visiting researcher at Centre for Digital Music, Queen Mary University of London, UK.
Research Interest
 Information processing technology for multimedia data such as audio and video.
 Signal processing
 Pattern recognition
 Information retrieval
Especially, recognition and retrieval of music audio signals.
 Information and coding theory.
Recent Studies
 Robust Media Search (RMS)
 Instance search
 Search algorithm for background music signals.
 Similar music retrieval.
Society Membership
 Senior Member of IEEE (The Institute of Electrical and Electronics Engineers, Inc.)
 Member of IEICE (the Institute of Electronics, Information and Communication Engineers)
 Member of IPSJ (the Information Processing Society of Japan)
Professional Activities
 Member of IPSJ Magazine Editorial Committee (from April 2014 to March 2018).
 Member of IPSJ Magazine Editorial Committee (from January 2002 to March 2006).
Publications
(Note) Some publications written in Japanese are excluded from the list. See Japanese page for the full list.

Y. Kodama, Y. Kawanishi, T. Hirayama, D. Deguchi, I. Ide, H. Murase, H. Nagano and K. Kashino,
"Localizing the Gaze Target of a Group of People",
ACCV 2018 Workshop on Attention/Intention Understanding (AIU2018), Dec. 2018. (to be published in a postproceedings from Springer)

H. Nagano, X. Wu, K. Hiramatsu, K. Kashino and S. Satoh,
"NTT Communication Science Laboratories and National Institute of Informatics at TRECVID 2017 Instance Search",
Proc. of TRECVID 2017, Nov. 2017.

F. Wang, H. Nagano, K. Kashino and T. Igarashi,
"Visualizing Video Sounds With Sound Word Animation to Enrich User Experience",
IEEE Trans. on Multimedia, vol. 19, no. 2, pp. 418429, Feb., 2017.

M. Murata, H. Nagano, K. Hiramatsu and K. Kashino,
"Filter Design based on Multiple Model Estimation",
The 2016 American Control Conference (ACC 2016), pp. 70617066, Jul. 2016.

M. Murata, H. Nagano, K. Hiramatsu, K. Kashino and S. Satoh,
"Bayesian Exponential Inverse Document Frequency and
RegionofInterest Effect for Enhancing Instance Search
Accuracy",
IEICE Transactions on Information and Systems, vol.E99D, no. 9, pp. 23202331, Sep. 2016.

X. Wu, J. Shimamura, T. Yoshida, H. Nagano, K. Kashino, T. Kawanishi,
K. Hiramatsu, T. Kurozumi and T. Kinebuchi,
"Spatial Verification via Pairwise Geometric Constraints and
3D ViewDirectional Voting",
ITE Transactions on Media Technology and Applications, vol. 4,
no. 3, pp. 239250, Jul. 2016. (invited paper)

K. O'Hanlon, H. Nagano, N. Keriven and M. D. Plumbley,
"NonNegative Group Sparsity with Subspace Note Modelling for Polyphonic Transcription",
IEEE/ACM Transactions on Audio, Speech, and Language Processing,
vol. 24, no. 3, pp. 530542, Mar., 2016.

M. Murata, H. Nagano and K. Kashino,
"Gaussian Sum Resampling Filter",
The 54th IEEE Conference on Decision and Control (CDC 2015),
pp. 43384343, Dec., 2015.

X. Wu, T. Yoshida, J. Shimamura, H. Nagano, K. Kashino,
T. Kawanishi, K. Hiramatsu, T. Kurozumi and T. Kinebuchi,
"NTT at TRECVID 2015: Instance Search",
Proc. of TRECVID 2015, Nov., 2015.

M. Murata, H. Nagano, K. Hiramatsu and K. Kashino,
"Current Issues of Particle Filtering and Some Algorithmic
Improvements",
The 58th Japan Joint Automatic Control
Conference (JACC), Nov., 2015. (invited)

F. Wang, H. Nagano, K. Kashino and T. Igarashi,
"Visualizing Video Sounds with Sound Word Animation",
The 2015 IEEE International Conference on Multimedia and Expo (ICME 2015),
pp. 16, Jul., 2015.

M. Murata, H. Nagano and K. Kashino,
"Monte Carlo Filter Particle Filter",
the 2015 European Control Conference (ECC), pp. 28362841, Jul., 2015.

H. Nagano, R. Mukai, T. Kurozumi and K. Kashino,
"A Fast Audio Search Method Based on Skipping Irrelevant Signals by
Similarity Upperbound Calculation",
IEEE International Conference on Acoustics, Speech,
and Signal Processing (ICASSP 2015), pp. 23242328, Apr., 2015.

M. Murata, H. Nagano and K. Kashino,
"Iterative Unscented Statistically Linearized
Filter for Nonlinear Gaussian Observation Models",
The 53rd IEEE Conference on Decision and Control (CDC 2014), pp. 41544159, Dec., 2014.

M. Murata, H. Nagano, K. Hiramatsu, T. Kawanishi and K. Kashino,
"NTT Communication Science Laboratories at TRECVID 2014 Instance Search Task",
Proc. of TRECVID 2014, Nov., 2014.

M. Murata, H. Nagano and K. Kashino,
"Gaussian Unscented Filter",
The 46th ISCIE International Symposium on Stochastic Systems
Theory and Its Applications (SSS'14), Nov., 2014.

K. Aoyama, H. Nagano, S. Mizutani, T. Tanaka and N. Abekawa,
"Report on NTT Communication Science Laboratories Open House 2014",
NTT Technical Review, vol. 12, no 11, Nov., 2014.
 M. Murata, H. Nagano, R. Mukai, K. Hiramatsu and K. Kashino,
"Instance Search Technology for Finding Specific Objects in Movies",
NTT Technical Review, vol. 12, no 11, Nov., 2014.

M. Murata, H. Nagano, R. Mukai, K. Kashino and S. Satoh,
"BM25 with Exponential IDF for Instance Search",
IEEE Trans. on Multimedia,
vol. 16, no. 6, pp. 16901699, Oct., 2014.

M. Mori, T. Kurozumi, H. Nagano and K. Kashino,
"Video Content Detection with Single Frame Level Accuracy Using Dynamic Thresholding Technique",
Proc. of the 22nd International Conference on Pattern Recognition (ICPR 2014), Aug., 2014. (to appear)

M. Murata, H. Nagano and K. Kashino,
"Suboptimal Kalman Filter for Dual Estimation under Dynamical Uncertainties",
Proc. of The 19th World Congress of the International Federation of Automatic Control (IFAC 2014), Aug., 2014. (to appear)

M. Murata, H. Nagano, R. Mukai, K. Hiramatsu, K. Kashino and S. Satoh,
"Enhancing Discriminative Powers of Image Keypoints for Boosting Instance Search Accuracy",
Meeting on Image Recognition and Understanding, 2014 (MIRU 2014), Jul., 2014. (to appear)

M. Murata, H. Nagano and K. Kashino,
"Unscented Transforming Statistical Linearization and Robustified Kalman Filter for Nonlinear Systems with Parameter Uncertainties",
Proc. of The 2014 American Control Conference (ACC 2014), Jun., 2014.

M. Murata, H. Nagano and K. Kashino,
"Iterative Unscented Statistical Linearization for Nonlinear Gaussian Observation Models" (in Japanese),
Proc. of The 58th Annual Conference of the Institute of Systems, Control and Information Engineers (SCI'14), May, 2014.

M. Murata, H. Nagano, K. Kashino and S. Satoh,
"Instance Search with Exponential BM25" (in Japanese),
IEICE Technical Report, PRMU2013111, Jan., 2013.

M. Murata, H. Nagano and K. Kashino,
"Robustifying Kalman Filter to Rapidly Adapt to Significant Changes in System Model Parameters of
StateSpace Models",
Proc. of The 52nd IEEE Conference on Decision and Control (IEEE CDC 2013), Dec., 2013.

M. Murata, H. Nagano, K. Kashino and S. Satoh,
"NTT Communication Science Laboratories and National
Institute of Informatics at TRECVID2013 Instance Search Task",
Proc. of TRECVID 2013, Nov., 2013.

M. Murata, H. Nagano and K. Kashino,
"Designing a Robust Filter for Nonlinear Systems with Modeling Uncertainties" (in Japanese),
Proc. of The 56th Japan Joint Automatic Control Conference (JACC), Nov., 2013.

M. Murata, H. Nagano and K. Kashino,
"Designing Robust Filter by Making Kalman Filter Suboptimal to Square Error" (in Japanese),
Annual Conference of the Japanese Federation of Statistical Science Associations (JFSSA), Sep., 2013.

M. Murata, H. Nagano and K. Kashino,
"Suboptimal Kalman Filter for Significant Structural Changes in Dynamics" (in Japanese),
The 57th Annual Conference of the Institute of Systems, Control and Information Engineers (SCI'13), May, 2013.

K. O'Hanlon, H. Nagano and M. D. Plumbley,
"Using Oracle Analysis for DecompositionBased Automatic Music Transcription",
From Sounds to Music and Emotions 9th International Symposium, CMMR 2012, London, UK, June 1922, 2012, Revised Selected Papers, pp. 353365, Springer LNCS 7900, Sept., 2013.

M. Murata, H. Nagano, R. Mukai, K. Kashino and S. Satoh,
"Instance Video Search by Images as a Query" (in Japanese),
IEICE Technical Report, PRMU2012175, pp. 215219, Feb., 2013.

M. Murata, T. Izumitani, H. Nagano, R. Mukai, K. Kashino and S. Satoh,
"NTT Communication Science Laboratories and National Institute of Informatics at TRECVID2012
Instance Search and Multimedia Event Detection Tasks",
Proc. of TRECVID 2012, pp. 288299, Nov., 2012.

R. Mukai, T. Kurozumi, T. Kawanishi, H. Nagano and K. Kashino,
"Robust Media Search Technology for ContentBased Audio And Video Identification",
IEEE COMSOC MMTC ELetter, Vol. 7, No. 7, Sep., 2012.

K. O'Hanlon, M. D. Plumbley and H. Nagano,
"Group Nonnegative Pursuit for Automatic Music Transcription",
Proc. of 5th International Workshop on Machine Learning and Music (MML 2012), pp. 1516, Jun., 2012.

K. O'Hanlon, H. Nagano and M. D. Plumbley,
"Oracle Analysis of Sparse Automatic Music Transcription",
Proc. of the 9th International Symposium on Computer Music Modeling and Retrieval (CMMR 2012), pp. 591598, Jun., 2012.
 K. O'Hanlon, H. Nagano and M. D. Plumbley,
"Structured Sparsity for Automatic Music Transcription",
Proc. of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2012), pp. 441444, Mar., 2012.
 R. Mukai, T. Kurozumi, T. Kawanishi, H. Nagano, K. Kashino,
"NTT Communication Science Laboratories at TRECVID 2011 Content Based Copy Detection",
TRECVID 2011 Notebook Papers, pp. 293298, Dec., 2011.
 Y. Ohishi, H. Kameoka, D. Mochihashi, H. Nagano and K. Kashino,
"Extraction of Note Deviation Manner in F0 contour of Singing Voice" (in Japanese),
Proc. of ASJ Autumn Meeting, 1819, pp. 279282, Sep., 2011.
 T. Kako, Y. Ohishi, H. Kameoka, H. Nagano, K. Kashino and K. Takeda,
"Analysis of F0 trajectory in Chorus" (in Japanese),
Proc. of ASJ Spring Meeting, 1Q44, pp. 403404, Mar., 2011.
 R. Mukai, T. Kurozumi, K. Hiramatsu, T. Kawanishi, H. Nagano and K. Kashino,
"A Report on the TRECVID 2010 ContentBased Copy Detection Task
" (in Japanese),
IEICE Technical Report, PRMU2010217, pp. 5560, Feb., 2011.
 Y. Ohishi, H. Kameoka, D. Mochihashi, H. Nagano and K. Kashino,
"Statistical Modeling and Analysis of Singing Voice F0 Dynamics based on Secondorder Linear System" (in Japanese),
IEICE Technical Report, SP201080, pp. 6570, Nov., 2010.
 R. Mukai, T. Kurozumi, K. Hiramatsu, T. Kawanishi, H. Nagano, K. Kashino,
"NTT Communication Science Laboratories at TRECVID 2010 ContentBased Copy Detection",
TRECVID 2010 Notebook Papers, vol. 1, pp. 340349, Nov., 2010.
 Y. Ohishi, H. Kameoka, D. Mochihashi, H. Nagano and K. Kashino,
"Statistical Modeling of F0 Dynamics in Singing Voices Based on Gaussian Processes with Multiple Oscillation Bases",
Proc. of International Conference on Spoken Language Processing (INTERSPEECH 2010), pp. 25982601, Sep., 2010.
 Y. Ohishi, H. Kameoka, D. Mochihashi, H. Nagano and K. Kashino,
"Statistical Modeling of F0 Dynamics in Singing Voices Based on Multiple Oscillation Bases" (in Japanese),
Proc. of ASJ Autumn Meeting, 3P31, pp. 401404, Sep., 2010.
 T. Kako, Y. Ohishi, H. Kameoka, H. Nagano, K. Kashino and K. Takeda,
"Analysis of F0 Dynamics in Singing Voice and Instrument Sound Based on Stochastic Phase Plane Model" (in Japanese),
Proc. of ASJ Autumn Meeting, 3P29, pp. 397398, Sep., 2010.
 Y. Ohishi, H. Kameoka, D. Mochihashi, H. Nagano and K. Kashino,
"A Notebynote Editing and Synthesizing Interface for F0 Dynamics in Singing Voices" (in Japanese),
IPSJ SIG Notes, 2010MUS86, no. 9, pp. 18, July, 2010.
 T. Kurozumi, H. Nagano and K. Kashino,
"A Robust Video Search Method for Video Signal Queries Captured in the Real World" (in Japanese),
IEICE Trans. Inf. & Syst. (Japanese Edition),
vol. J90D, no. 8, pp. 22232231, Aug., 2007.
 K. Kashino, A. Kimura, H. Nagano and T. Kurozumi,
"Robust Search Methods for Music Signals Based on Simple Representation",
Proc. of the 2007 International Conference on Acoustics, Speech and Signal Processing (ICASSP'07), vol. IV, pp. 14211424, Apr., 2007.
 T. Kurozumi, A. Kimura, H. Nagano and K. Kashino,
"A DegenerationGeneration Search Method Determining Geometric Transformation Parameters" (in Japanese),
IEICE Technical Report, PRMU2006171, pp. 16, Dec., 2006.
 H. Nagano, K. Kashino and T. Fujiwara,
"Robustness Evaluation of a Similar Music Retrieval Method Using Polyphonic Binary Feature Vectors" (in Japanese),
IPSJ SIG Notes, 2004MUS58, pp. 3741, Dec., 2004.
 H. Nagano, K. Kashino and H. Murase,
"A Fast Search Algorithm for Background Music Signals Based on the Searches for Numerous SmallRegion Spectrograms" (in Japanese),
IEICE Trans. Inf. & Syst. (Japanese Edition),
vol. J87DII, no. 5, pp. 11791188, May, 2004.
 H. Nagano, K. Kashino and H. Murase,
"Similar Music Retrieval Using Polyphonic Binary Feature Vectors and Its Acceleration" (in Japanese),
IEICE Trans. Inf. & Syst. (Japanese Edition),
vol. J86DII, no. 11, pp. 16571667, Nov., 2003.
 H. Nagano, K. Kashino and H. Murase,
"A Fast Search Algorithm for Background Music Signals Based on the Search for Numerous Small Signal Components",
Proc. of the 2003 International Conference on Acoustics, Speech, and Signal Processing (ICASSP'03), vol. V, pp. 796799, Apr., 2003, also in Proc. of 2003 IEEE International Conference on Multimedia and Expo (ICME 2003), vol. I, pp. 165168, July, 2003.
 H. Nagano, K. Kashino and H. Murase,
"A Search Algorithm for Back Ground Music Signals Based on the Search for Numerous Small Area Signals" (in Japanese),
IEICE Technical Report, PRMU200286, WIT200229, pp. 3741, Sept., 2002.
 H. Nagano, K. Kashino and H. Murase,
"Fast Music Retrieval Using Polyphonic Binary Feature Vectors",
Proc. of 2002 IEEE International Conference on Multimedia and Expo (ICME 2002), vol. I, pp. 101104, Aug., 2002.
 H. Nagano, K. Kashino and H. Murase,
"A Fast Algorithm of SimilarityBased String Matching for MediaInformation Retrieval" (in Japanese),
Proc. of The 2001 Information and Systems Society Conference of IEICE, p. 197, Sep., 2001.
 H. Nagano, K. Kashino and H. Murase,
"SimilarityBased String Matching for MediaInformation Retrieval and Its Application to SimilarMusic Retrieval" (in Japanese),
IPSJ SIG Notes, 2001MUS41, pp. 6772, Aug., 2001.
 H. Nagano, A. Matsuura and A. Nagoya,
"An Efficient Implementation Method of a Metric Computation Accelerator for Fractal Image Compression Using Reconfigurable Hardware",
IEICE Trans. Fundamentals,
vol. E84A, no. 1, pp. 372377, Jan., 2001.
 H. Nagano, A. Matsuura and A. Nagoya,
"An Efficient Implementation Method of Fractal Image Compression on Dynamically Reconfigurable Architecture",
Proc. of 6th Reconfigurable Architectures Workshop (RAW '99) in IPPS/SPDP'99 Workshops  Parallel and Distributed Processing, pp. 670678, Springer LNCS 1586, Apr., 1999.
 H. Nagano, T. Suyama and A. Nagoya,
"Acceleration of Linear Block Code Evaluations Using Reconfigurable Hardware" (in Japanese),
IEICE Technical Report, VLD98144, ICD98290, pp. 2532, Mar., 1999.
 A. Matsuura, H. Nagano and A. Nagoya,
"A Method for Implementing Fractal Image Compression on Reconfigurable
Architecture",
Proc. of ACM International Symposium on FieldProgrammable Gate Arrays
(FPGA'99), p. 251, Feb., 1999.
 H. Nagano, T. Suyama and A. Nagoya,
"Acceleration of Linear Block Code Evaluations Using New Reconfigurable Computing Approach",
Proc. of Asia and South Pacific Design Automation Conference 1999 (ASPDAC '99),
pp. 161164, Jan., 1999.
 A. Matsuura, H. Nagano and A. Nagoya,
"A Method for Implementing Fractal Image Compression on Reconfigurable Architecture" (in Japanese),
IEICE Technical Report, CPSY9883, pp. 1522, Sep., 1998.
 H. Nagano, T. Suyama and A. Nagoya,
"Soft Decision Maximum Likelihood Decoders for Binary Linear Block Codes Implemented on FPGAs",
Proc. of International Symposium on Field Programmable Gate Arrays (FPGA '98),
p. 261, Feb., 1998.
 H. Nagano, T. Suyama, A. Nagoya, Y. Ueda and Y. Nakamura,
"A Study of Combining PARTHENON and an FPGA Mapping Tool In Case of GateField" (in Japanese),
Proc. of the 11th meeting of PARTHENON Technical Society,
pp. 6776, Dec., 1997.
 H. Yamamoto, H. Nagano, T. Fujiwara and T. Kasami,
"Recursive MLD Algorithm Using the Detail Trellis Structure for a Linear Block Code and Its Average Complexity Analysis",
Proc. of the 1996 International Symposium on Information Theory and Its Applications (ISITA '96),
vol. II, pp. 704708, Sep., 1996.
 T. Koumoto, H. Nagano, T. Takata, T. Kasami, T. Fujiwara and S. Lin,
"An Iterative SoftDecision Decoding Algorithm",
Proc. of the 18th Symposium on Information Theory and Its Applications (SITA '95),
pp. 557560, Oct., 1995.
 H. Nagano, T. Fujiwara and T. Kasami,
"A Decoding Algorithm for a Linear Block Code Using the Detailed Structure of its Trellis Diagram with Partial Search",
Proc. of the 18th Symposium on Information Theory and Its Applications (SITA '95),
pp. 449452, Oct., 1995.
 H. Nagano, T. Fujiwara and T. Kasami,
"Average Complexity Evaluation of an MLD Algorithm Using the Trellis Structure for a Linear Block Code",
IEICE Trans. Fundamentals,
vol. E78A, no. 9, pp. 12091214, Sep., 1995.
 T. Koumoto, H. Nagano, T. Takata, T. Kasami, T. Fujiwara and S. Lin,
"A New Iterative SoftDecision Decoding Algorithm",
Technical Report of IEICE, IT9528, pp. 1924, July, 1995.
 H. Nagano, T. Fujiwara and T. Kasami,
"Complexity Evaluation of an MLD Algorithm for a Linear Block Code Using Its Trellis Structure",
Proc. of the 17th Symposium on Information Theory and Its Applications (SITA '94),
pp. 209212, Dec., 1994.
Theses
 H. Nagano,
"A study on methods for music signal retrieval and image compression based on pattern matching" (in Japanese),
Doctoral Thesis, Graduate School of Information Science and Technology, Osaka University, Dec., 2004.
 H. Nagano,
"A Suboptimum Decoding Algorithm for a Linear Code Using its Detail Trellis Structure with Partial Search",
Master Thesis, Department of Information and Computer Science, Faculty of Engineering Science, Osaka University,
Mar., 1996.
 H. Nagano,
"An improvement of implementation of Soft Decision Maximum Likelihood decoding simulator by using a structure of the trellis diagram of linear block code" (in Japanese),
Bachelor Thesis, Department of Information and Computer Science, Faculty of Engineering Science, Osaka University,
Mar., 1994.
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