A Threshold Selection Method from Gray-Level Histograms. - Nobuyuki Otsu (IEEE Trans. Syst. Man Cybern., 1979)

A New Scheme for Practical Flexible and Intelligent Vision Systems. - Nobuyuki Otsu; Takio Kurita (MVA, 1988)

An approximation of nonlinear discriminant analysis by multilayer neural networks. - Hideki Asoh; Nobuyuki Otsu (IJCNN, 1990)

A sketch retrieval method for full color image database-query by visual example. - Toshikazu Kato; Takio Kurita; Nobuyuki Otsu; Kyoji Hirata (ICPR (1), 1992)

A face recognition method using higher order local autocorrelation and multivariate analysis. - Takio Kurita; Nobuyuki Otsu; Tomomasa Sato (ICPR (2), 1992)

Complex Autoregressive Model for Shape Recognition. - Iwao Sekita; Takio Kurita; Nobuyuki Otsu (IEEE Trans. Pattern Anal. Mach. Intell., 1992)

Maximum likelihood thresholding based on population mixture models. - Takio Kurita; Nobuyuki Otsu; Nabih N. Abdelmalek (Pattern Recognit., 1992)

Toward Flexible Intelligence: MITI's New Program of Real World Computing. - Nobuyuki Otsu (IJCAI, 1993)

A method of block truncation coding for color image compression. - Takio Kurita; Nobuyuki Otsu (IEEE Trans. Commun., 1993)

Invariant distance measures for planar shapes based on complex autoregressive model. - Takio Kurita; Iwao Sekita; Nobuyuki Otsu (Pattern Recognit., 1994)

Active Agent Oriented Multimodal Interface System. - Osamu Hasegawa; Katsunobu Itou; Takio Kurita; Satoru Hayamizu; Kazuyo Tanaka; Kazuhiko Yamamoto; Nobuyuki Otsu (IJCAI, 1995)

Fuzzy Information Fusion in a Face Recognition System. - Thomas D. Arbuckle; Eberhard Lange; Takashi Iwamoto; Nobuyuki Otsu; Kazuo Kyuma (Int. J. Uncertain. Fuzziness Knowl. Based Syst., 1995)

Face Recognition System Using Local Autocorrelations and Multiscale Integration. - François Goudail; Eberhard Lange; Takashi Iwamoto; Kazuo Kyuma; Nobuyuki Otsu (IEEE Trans. Pattern Anal. Mach. Intell., 1996)

Thresholding methods considering the quantization error of an image. - Iwao Sekita; Takio Kurita; Nobuyuki Otsu; Nabih N. Abdelmalek (Syst. Comput. Jpn., 1996)

An event-driven architecture for controlling behaviors of the office conversant mobile robot, Jijo-2. - Toshihiro Matsui; Hideki Asoh; Isao Hara; Nobuyuki Otsu (ICRA, 1997)

Online Gesture Recognition Using Predicative Statistical Feature Extraction and Multivariate Analysis. - Bisser Raytchev; Osamu Hasegawa; Nobuyuki Otsu (MVA, 1998)

Integrated Natural Spoken Dialogue System of Jijo-2 Mobile Robot for Office Services. - Toshihiro Matsui; Hideki Asoh; John Fry; Yoichi Motomura; Futoshi Asano; Takio Kurita; Isao Hara; Nobuyuki Otsu (AAAI/IAAI, 1999)

Real-world applications of analog and digital evolvable hardware . - Tetsuya Higuchi; Masaya Iwata; Didier Keymeulen; Hidenori Sakanashi; Masahiro Murakawa; Isamu Kajitani; Eiichi Takahashi; Kenji Toda; Mehrdad Salami; Nobuki Kajihara; Nobuyuki Otsu (IEEE Trans. Evol. Comput., 1999)

A similarity retrieval of 3D polygonal models using rotation invariant shape descriptors. - Motofumi T. Suzuki; Toshikazu Kato; Nobuyuki Otsu (SMC, 2000)

User-Independent Gesture Recognition By Relative-Motion Extraction and Discriminant Analysis. - Bisser Raytchev; Osamu Hasegawa; Nobuyuki Otsu (New Gener. Comput., 2000)

User-independent online gesture recognition by relative motion extraction. - Bisser Raytchev; Osamu Hasegawa; Nobuyuki Otsu (Pattern Recognit. Lett., 2000)

On a grading system for beef marbling. - Fumito Yoshikawa; Kazuo Toraichi; Koichi Wada 002; Nobuyuki Otsu; Hiroyasu Nakai; Mitsuru Mitsumoto; Kazuki Katagishi (Pattern Recognit. Lett., 2000)

Learning-Based Jam Session System for A Guitar Trio. - Masatoshi Hamanaka; Masataka Goto; Nobuyuki Otsu (ICMC, 2001)

Variable Selection Heuristics and Optimum Decision Trees - An Experimental Study. - Masahiro Miyakawa; Nobuyuki Otsu; Ivo G. Rosenberg (ISMVL, 2002)

A Learning-Based Quantization: Unsupervised Estimation of the Model Parameters. - Masatoshi Hamanaka; Masataka Goto; Hideki Asoh; Nobuyuki Otsu (ICMC, 2003)

A Learning-Based Jam Session System that Imitates a Player's Personality Model. - Masatoshi Hamanaka; Masataka Goto; Hideki Asoh; Nobuyuki Otsu (IJCAI, 2003)

Gesture Recognition Using Auto-Regressive Coefficients of Higher-Order Local Auto-Correlation Features. - Tatsuya Ishihara; Nobuyuki Otsu (FGR, 2004)

Facial Expression Recognition Using Fisher Weight Maps. - Yusuke Shinohara; Nobuyuki Otsu (FGR, 2004)

Statistical manipulation learning of unknown objects by a multi-fingered robot hand. - Ryo Fukano; Yasuo Kuniyoshi; Takumi Kobayashi 001; Takuya Otani; Nobuyuki Otsu (Humanoids, 2004)

Action and Simultaneous Multiple-Person Identification Using Cubic Higher-Order Local Auto-Correlation. - Takumi Kobayashi 001; Nobuyuki Otsu (ICPR (4), 2004)

Inter-modal Learning and Object Concept Acquisition. - Katsuhiko Ishiguro; Nobuyuki Otsu; Yasuo Kuniyoshi (MVA, 2005)

Unsupervised Abnormality Detection in Video Surveillance. - Takuya Nanri; Nobuyuki Otsu (MVA, 2005)

A New Scheme for Image Recognition Using Higher-Order Local Autocorrelation and Factor Analysis. - Naoyuki Nomoto; Yusuke Shinohara; Takayoshi Shiraki; Takumi Kobayashi 001; Nobuyuki Otsu (MVA, 2005)

Towards Flexible and Intelligent Vision Systems – From Thresholding to CHLAC –. - Nobuyuki Otsu (MVA, 2005)

Haptic Detection of Object affordances by a Multi-fingered Robot Hand. - Yasuo Kuniyoshi; Ryo Fukano; Takuya Otani; Takumi Kobayashi 001; Nobuyuki Otsu (Int. J. Humanoid Robotics, 2005)

Classification of Motion Constraints by Explorative Manipulation by a Compliant Multi-Fingered Hand. - Ryo Fukano; Yasuo Kuniyoshi; Takuya Otani; Takumi Kobayashi 001; Nobuyuki Otsu (J. Robotics Mechatronics, 2005)

Reliability index of optical flow that considers error margin of matches and stabilizes camera movement estimation. - Eisuke Adachi; Takio Kurita; Nobuyuki Otsu (ICPR (1), 2006)

Detection and Recognition of Moving Objects by Using Motion Invariants. - Satoshi Ito; Nobuyuki Otsu (ICPR (1), 2006)

Image Matting in the Framework of Quantification IV. - Takumi Kobayashi 001; Tadaaki Hosaka; Nobuyuki Otsu (ICIP (6), 2007)

Application of the Unusual Motion Detection Using CHLAC to the Video Surveillance. - Kenji Iwata; Yutaka Satoh; Takumi Kobayashi 001; Ikushi Yoda; Nobuyuki Otsu (ICONIP (2), 2007)

Image matting using SVM and neighboring information. - Tadaaki Hosaka; Takumi Kobayashi 001; Nobuyuki Otsu (VISAPP (1), 2007)

Methods for Quantifying the Causal Structure of bivariate Time Series. - Max Lungarella; Katsuhiko Ishiguro; Yasuo Kuniyoshi; Nobuyuki Otsu (Int. J. Bifurc. Chaos, 2007)

Object Detection by Selective Integration of HLAC Mask Features. - Akinori Hidaka; Takio Kurita; Nobuyuki Otsu (BLISS, 2008)

Development of Software for Real-Time Unusual Motions Detection by Using CHLAC. - Kenji Iwata; Yutaka Satoh; Katsuhiko Sakaue; Takumi Kobayashi 001; Nobuyuki Otsu (BLISS, 2008)

HLAC Approach to Automatic Object Counting. - Takumi Kobayashi 001; Tadaaki Hosaka; Shu Mimura; Takashi Hayashi 003; Nobuyuki Otsu (BLISS, 2008)

The Cow Gait Recognition Using CHLAC. - Shu Mimura; Keichi Itoh; Takumi Kobayashi 001; Tomohiro Takigawa; Atsushi Tajima; Atsushi Sawamura; Nobuyuki Otsu (BLISS, 2008)

CHLAC Approach to Flexible and Intelligent Vision Systems. - Nobuyuki Otsu (BLISS, 2008)

Image Feature Extraction Using Gradient Local Auto-Correlations. - Takumi Kobayashi 001; Nobuyuki Otsu (ECCV (1), 2008)

Motion image segmentation using global criteria and DP. - Takumi Kobayashi 001; Fumito Yoshikawa; Nobuyuki Otsu (FG, 2008)

Cone-restricted subspace methods. - Takumi Kobayashi 001; Nobuyuki Otsu (ICPR, 2008)

High-Performance Image Annotation and Retrieval for Weakly Labeled Images Using Latent Space Learning. - Hideki Nakayama; Tatsuya Harada; Yasuo Kuniyoshi; Nobuyuki Otsu (PCM, 2008)

Toward a HLAC-Based Histological Diagnosis System for Virtual-Slide Images. - Kenji Iwata; Yutaka Satoh; Takumi Kobayashi 001; Toshio Ueshiba; Katsuhiko Sakaue; Kôiti Hasida; Nobuyuki Otsu; Yoichi Kameda; Yohei Miyagi; Yuji Sakuma; Keiji Kikuchi; Eiju Tsuchiya (BLISS, 2009)

Recognition of Dynamic Texture Patterns Using CHLAC Features. - Takumi Kobayashi 001; Tetsuya Higuchi; Tsuneharu Miyajima; Nobuyuki Otsu (BLISS, 2009)

Histopathological Diagnostic Support Technology Using Higher-Order Local Autocorrelation Features. - Hirokazu Nosato; Hidenori Sakanashi; Masahiro Murakawa; Tetsuya Higuchi; Nobuyuki Otsu; Kensuke Terai; Nobuyuki Hiruta; Noriaki Kameda (BLISS, 2009)

Anomalousness Detection for Surgery Videos Using CHLAC Feature. - Fumio Sakabe; Masahiro Murakawa; Takumi Kobayashi 001; Tetsuya Higuchi; Nobuyuki Otsu (BLISS, 2009)

Color image feature extraction using color index local auto-correlations. - Takumi Kobayashi 001; Nobuyuki Otsu (ICASSP, 2009)

Efficient reduction of support vectors in kernel-based methods. - Takumi Kobayashi 001; Nobuyuki Otsu (ICIP, 2009)

Logistic discriminant analysis. - Takio Kurita; Kenji Watanabe; Nobuyuki Otsu (SMC, 2009)

Image matting based on local color discrimination by SVM. - Tadaaki Hosaka; Takumi Kobayashi 001; Nobuyuki Otsu (Pattern Recognit. Lett., 2009)

Three-way auto-correlation approach to motion recognition. - Takumi Kobayashi 001; Nobuyuki Otsu (Pattern Recognit. Lett., 2009)

Autonomous collaborative environment for project-based learning. - Mihoko Otake; Ryo Fukano; Shinji Sako; Masao Sugi; Kiyoshi Kotani; Junya Hayashi; Hiroshi Noguchi; Ryuichi Yoneda; Kenjiro Taura; Nobuyuki Otsu; Tomomasa Sato (Robotics Auton. Syst., 2009)

Start and End Point Detection of Weightlifting Motion using CHLAC and MRA. - Fumito Yoshikawa; Takumi Kobayashi 001; Kenji Watanabe; Katsuyoshi Shirai; Nobuyuki Otsu (B-Interface, 2010)

Cone-restricted kernel subspace methods. - Takumi Kobayashi 001; Fumito Yoshikawa; Nobuyuki Otsu (ICIP, 2010)

Pyramidal segmentation using higher-order local auto-correlations and its applications to Landsat forestry data. - Milos Stojmenovic; Takumi Kobayashi 001; Nobuyuki Otsu (ICIP, 2010)

Bilinear Formulated Multiple Kernel Learning for Multi-class Classification Problem. - Takumi Kobayashi 001; Nobuyuki Otsu (ICONIP (2), 2010)

Logistic Label Propagation for Semi-supervised Learning. - Kenji Watanabe; Takumi Kobayashi 001; Nobuyuki Otsu (ICONIP (1), 2010)

Von Mises-Fisher Mean Shift for Clustering on a Hypersphere. - Takumi Kobayashi 001; Nobuyuki Otsu (ICPR, 2010)

Bag of Hierarchical Co-occurrence Features for Image Classification. - Takumi Kobayashi 001; Nobuyuki Otsu (ICPR, 2010)

Image Annotation and Retrieval for Weakly Labeled Images Using Conceptual Learning. - Tatsuya Harada; Hideki Nakayama; Yasuo Kuniyoshi; Nobuyuki Otsu (New Gener. Comput., 2010)

One-class label propagation using local cone based similarity. - Takumi Kobayashi 001; Nobuyuki Otsu (FG, 2011)

Rotation invariant feature extraction from 3-D acceleration signals. - Takumi Kobayashi 001; Kôiti Hasida; Nobuyuki Otsu (ICASSP, 2011)

Detection of peptide ion peaks in mass spectra by using weighted auto-correlation. - Kenji Watanabe; Takumi Kobayashi 001; Katsuyuki Koike; Tetsuya Higuchi; Tohru Natsume; Nobuyuki Otsu (ICASSP, 2011)

Cancer detection from biopsy images using probabilistic and discriminative features. - Atsushi Yaguchi; Takumi Kobayashi 001; Kenji Watanabe; Kenji Iwata; Tadaaki Hosaka; Nobuyuki Otsu (ICIP, 2011)

L0-Regularized Parametric Non-negative Factorization for Analyzing Composite Signals. - Takumi Kobayashi 001; Kenji Watanabe; Nobuyuki Otsu (ICMLA (1), 2011)

Efficient Optimization of Logistic Regression by Direct Use of Conjugate Gradient. - Kenji Watanabe; Takumi Kobayashi 001; Nobuyuki Otsu (ICMLA (1), 2011)

Adaptive Abnormality Detection on ECG Signal by Utilizing FLAC Features. - Jiaxing Ye; Takumi Kobayashi 001; Tetsuya Higuchi; Nobuyuki Otsu (LION, 2011)

Object Detection Using Background Subtraction and Foreground Motion Estimation. - Tadaaki Hosaka; Takumi Kobayashi 001; Nobuyuki Otsu (IPSJ Trans. Comput. Vis. Appl., 2011)

An Extended Method of Higher-order Local Autocorrelation Feature Extraction for Classification of Histopathological Images. - Hirokazu Nosato; Tsukasa Kurihara; Hidenori Sakanashi; Masahiro Murakawa; Takumi Kobayashi 001; Tatsumi Furuya; Tetsuya Higuchi; Nobuyuki Otsu; Kensuke Terai; Nobuyuki Hiruta (IPSJ Trans. Comput. Vis. Appl., 2011)

Efficient Optimization for Low-Rank Integrated Bilinear Classifiers. - Takumi Kobayashi 001; Nobuyuki Otsu (ECCV (2), 2012)

Efficient Similarity Derived from Kernel-Based Transition Probability. - Takumi Kobayashi 001; Nobuyuki Otsu (ECCV (6), 2012)

Motion recognition using local auto-correlation of space-time gradients. - Takumi Kobayashi 001; Nobuyuki Otsu (Pattern Recognit. Lett., 2012)

Logistic label propagation. - Takumi Kobayashi 001; Kenji Watanabe; Nobuyuki Otsu (Pattern Recognit. Lett., 2012)

AdaFilter: Adaptive Filter Design with Local Image Basis Decomposition for Optimizing Image Recognition Preprocessing. - Aiga Suzuki; Keiichi Ito; Takahide Ibe; Nobuyuki Otsu (ICPR, 2020)