Akio Ogihara

Akio Ogihara, Motoi Iwata, Akira Shiozaki, 2009, 2009 Fifth International Conference on Intelligent Information Hiding and Multimedia Signal Processing.

A method of embedding robust watermarks into digital images

Akio Ogihara, Akira Shiozaki, Ken-ichi Hashida, 1999 .

Sound Quality Improvement for Multichannel Audio Watermarking

Akio Ogihara, Motoi Iwata, Akira Shiozaki, 2009 .

A Topic Segmentation of Broadcast News Using Vowel Sequence

Akio Ogihara, Takashi Yamazaki, 1998 .

A Correcting Method for Pitch Extraction Using Neural Networks (Special Section of Papers Selected from JTC-CSCC'93)

Akio Ogihara, Kunio Fukunaga, 1994 .

A study on the mechanism of the minimum searching by the chaotic neural network

Akio Ogihara, Kunio Fukunaga, Masaya Ohta, 1995, Proceedings of ICNN'95 - International Conference on Neural Networks.

An Eliminating Method of Filled Pauses with Silent Part Included in Spontaneous Speech

Akio Ogihara, Shinobu Takamatsu, Yoshinobu Hasegawa, 1995 .

Island-Driven A * Search Suitable for a Finite Stack and Its Application to Continuous Speech Recognition

Akio Ogihara, Kunio Fukunaga, Yoshikazu Yamaguchi, 1993 .

Correlation-Based Video Watermarking Method Using Inter-Frame Similarity

Akio Ogihara, Motoi Iwata, Akira Shiozaki, 2006, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Discrimination Method of Synthetic Speech Using Pitch Pattern

Akio Ogihara, Akira Shiozaki, Hitoshi Unno, 2004 .

An Autocorrelation Associative Neural Network with Self-Feedbacks (Special Section of Letters Selected from the 1993 IEICE Fall Conference)

Hiroshi Ueda, Akio Ogihara, Kunio Fukunaga, 1993 .

Speech Recognition Method Using Fusion of Auditory and Visual Information

Akio Ogihara, Shinobu Takamatsu, Akira Shintani, 1995 .

Note Estimation by Contaminated Normal Distribution for Audio Watermarking Method Using Non-negative Matrix Factorization

Akio Ogihara, Harumi Murata, 2018, 2018 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS).

A sound quality improvement of audio watermarking method using key determination

Akio Ogihara, Harumi Murata, 2015 .

A BACKGROUND SUBTRACTION ALGORITHM WITH RENEWABLE BACKGROUND

Akio Ogihara, Akira Shiozaki, Hiroshi Matsumoto, 2006 .

VIDEO WATERMARK FOR DETECTING ALTERATION ON SPATIAL DOMAIN

Akio Ogihara, Motoi Iwata, Akira Shiozaki, 2006 .

An Analysis on Minimum Searching Principle of Chaotic Neural Network (Special Section of Selected Papers from the 8th Karuizawa Workshop on Circuits and Systems)

Akio Ogihara, Kunio Fukunaga, Kazumichi Matsumiya, 1996 .

A pitch synchronous switched capacitor discrete Fourier transform circuit

Akio Ogihara, Shojiro Yoneda, S. Yamashita, 1991, 1991., IEEE International Sympoisum on Circuits and Systems.

A Study of Audio Watermarking Method Using Non-negative Matrix Factorization for a Duet of Different Instruments

Akio Ogihara, Harumi Murata, 2017, IIH-MSP.

An Extraction Method of Lip Shape for Independent Speaker

Akio Ogihara, Hiroshi Shibata, Eisuke Asano, 2002 .

Multiple Embedding for Time-Domain Audio Watermarking Based on Low-Frequency Amplitude Modification

Akio Ogihara, Motoi Iwata, Akira Shiozaki, 2008 .

User Verification in ATM Operation by Square Measure Sequence of Hand Shape

Akio Ogihara, Akira Shiozaki, Hiroyuki Matsumura, 2005 .

A watermarking method for audio signals played with single musical instrument based on music transcription information

Akio Ogihara, Motoi Iwata, Akira Shiozaki, 2010, 2010 10th International Symposium on Communications and Information Technologies.

An audio watermarking method for music having sparse representation

Akio Ogihara, Harumi Murata, Shigetoshi Hayashi, 2013, 2013 International Symposium on Intelligent Signal Processing and Communication Systems.

Reversible Watermarking Method for JPEG Images

Akio Ogihara, Motoi Iwata, Akira Shiozaki, 2008, IEICE Trans. Inf. Syst..

Pixel Value Adjustment for Digital Watermarking Using Uniform Color Space

Akio Ogihara, Motoi Iwata, Akira Shiozaki, 2012 .

Speech Recognition Based on Fusion of Visual and Auditory Information Using Full-Frame Color Image (Special Section of Letters Selected from the 1996 IEICE General Conference)

Akio Ogihara, Shinobu Takamatsu, Akira Shintani, 1996 .

I-076 Control of Watermark Strength Based on Human Visual System Using Gabor Filter

Akio Ogihara, Motoi Iwata, Akira Shiozaki, 2008 .

Speech Recognition of lsolated Digits Using Simultaneous Generative Histogram (Special Section of Letters Selected from the 1993 IEICE Fall Conference)

Akio Ogihara, Kunio Fukunaga, Yasuhisa Hayashi, 1993 .

Isolated digit recognition based on HMM using simultaneous generative histogram

Akio Ogihara, Kunio Fukunaga, Yasuhisa Hayashi, 1994 .

Sound Quality Improvement of Audio Watermarking Method Using Smearing Transformation

Akio Ogihara, Motoi Iwata, Akira Shiozaki, 2007 .

Keyword spotting using continuous Viterbi algorithm with Heuristics for island-driven A* search

Akio Ogihara, Kunio Fukunaga, Yoshikazu Yamaguchi, 1994 .

A Method of Embedding Watermark into Movie with Sound Data

Akio Ogihara, Motoi Iwata, Akira Shiozaki, 2005 .

Biometric Verification Method Using Square Measure Sequence of Hand Shape

Akio Ogihara, Akira Shiozaki, Hiroyuki Matsumura, 2004 .

An Audio Watermarking Method Using Pitch-Transformed Sound of Original Music

Akio Ogihara, Harumi Murata, 2014, 2014 Tenth International Conference on Intelligent Information Hiding and Multimedia Signal Processing.

An Audio Watermarking Method Using Tones of Diatonic Chord

Akio Ogihara, Harumi Murata, 2015, 2015 International Conference on Intelligent Information Hiding and Multimedia Signal Processing (IIH-MSP).

ATM USER VERIFICATION BY BIOMETRIC FEATURE IN KEYSTROKE MOTION

Akio Ogihara, Akira Shiozaki, Hiroyuki Matsumura, 2006 .

A Method of Increasing Watermark Information Capacity with Five Sections for Audio Watermarking Method Based on Amplitude Modification

Akio Ogihara, Motoi Iwata, Akira Shiozaki, 2008 .

Fuzzy Matrix Quantization and its Application to Speaker-Independent Isolated word Recognition

Akio Ogihara, Satoshi Kondo, Syojiro Yoneda, 1990 .

Sound Quality Improvement by Embedding Position Grouping for Audio Watermarking Method Using Smearing Transformation

Akio Ogihara, Motoi Iwata, Akira Shiozaki, 2008 .

HMM Speech Recognition Using Fusion of Visual and Auditory Information

Akio Ogihara, Kunio Fukunaga, Akira Shintani, 1995 .

Improvement of the Pseudoinverse Rule for Associative Neural Network

Hiroshi Ueda, Akio Ogihara, Kunio Fukunaga, 1993 .

An audio watermarking method using sampled sound for polyphonic music

Michifumi Yoshioka, Akio Ogihara, Motoi Iwata, 2012, 2012 International Symposium on Communications and Information Technologies (ISCIT).

A Method of Capacity Increase for Time-Domain Audio Watermarking Based on Low-Frequency Amplitude Modification

Akio Ogihara, Motoi Iwata, Akira Shiozaki, 2008 .

Sound Quality Evaluation for Audio Watermarking Based on Phase Shift Keying Using BCH Code

Akio Ogihara, Harumi Murata, Masaki Uesaka, 2015, IEICE Trans. Inf. Syst..

Binary Neural Network with Negative Self-Feedback and Its Application to N-Queens Problem (Special Issue on Neurocomputing)

Akio Ogihara, Kunio Fukunaga, Masaya Ohta, 1994 .

Digital Watermarking Method Warranting the Lower Limit of Image Quality of Watermarked Images

Akio Ogihara, Motoi Iwata, Akira Shiozaki, 2010, EURASIP J. Adv. Signal Process..

A study of audio watermarking method using non-negative matrix factorization

Akio Ogihara, Harumi Murata, 2016, 2016 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB).

Tolerance Evaluation of Audio Watermarking Method Based on Modification of Sound Pressure Level between Channels

Akio Ogihara, Harumi Murata, Shigetoshi Hayashi, 2018, IEICE Trans. Inf. Syst..

A study of audio watermarking introducing counterpoint

Akio Ogihara, Harumi Murata, 2014 .

A STUDY OF MUSIC WATERMARK SUITABLE FOR MP3 COMPRESSION

Akio Ogihara, Motoi Iwata, Akira Shiozaki, 2006 .

A study of audio watermarking method using nonharmonic note as watermark signal

Akio Ogihara, Harumi Murata, 2015, 2015 15th International Symposium on Communications and Information Technologies (ISCIT).

An Outline Extraction of Lip from Face Image using Color Information : Speech Recognition Based on Fusion of Visual and Auditory Information

Akio Ogihara, Fumio Takuwa, Shinobu Takamatsu, 1996 .

Switched-capacitor DFT and IDFT circuit

Akio Ogihara, Shojiro Yoneda, Itsuo Sasaki, 1989 .

A method for selecting the most suitable pitch from some candidates utilizing its time continuation

Akio Ogihara, Shojiro Yoneda, 1992 .

Asymmetric Neural Network and Its Application to Knapsack Problem

Akio Ogihara, Kunio Fukunaga, Masaya Ohta, 1995 .

An Isolated Word Speech Recognition Based on Fusion of Visual and Auditory Information Using 30-frame/s and 24-bit Color Image (Special Section on Digital Signal Processing)

Akio Ogihara, Shinobu Asao, 1997 .

Clustering by Cross-Correlation Function and Dynamic Programming, and its Application to Arbitrage in Stock Market

Akio Ogihara, Akira Shiozaki, A. Ogihara, 2004 .

Objective evaluation of sound quality for attacks on robust audio watermarking

Akio Ogihara, Masashi Unoki, Akira Nishimura, 2013 .

Experimental Use of Learning Environment by Posing Problem for Learning Disability

Akio Ogihara, Sho Yamamoto, Tsukasa Hirashima, 2016 .

Digital Watermarking Method Using Variance of Chrominance in the Pairs of Adjoining Blocks

Akio Ogihara, Motoi Iwata, Akira Shiozaki, 2009 .

A Theoretical Analysis of Neural Networks with Nonzero Diagonal Elements (Special Section on the 5th Karuizawa Workshop on Circuits and Systems)

Akio Ogihara, Shojiro Yoneda, Masaya Ohta, 1993 .