Sei-ichiro KAMATA


Integrating Multiple Global and Local Features by Product Sparse Coding for Image Retrieval
Li TIAN Qi JIA Sei-ichiro KAMATA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2016/03/01
Vol. E99-D  No. 3  pp. 731-738
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
image retrievalimage representationTrimmed-Root (TR)-featureProduct Sparse Coding (PSC)ranking strategy
 Summary | Full Text:PDF(875KB)

Improved Color Barycenter Model and Its Separation for Road Sign Detection
Qieshi ZHANG Sei-ichiro KAMATA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2013/12/01
Vol. E96-D  No. 12  pp. 2839-2849
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
road sign (RS) detectiondriver assistance system (DAS)color trianglecolor barycenter model (CBM)constrained clustering
 Summary | Full Text:PDF(3.8MB)

Efficient Large-Scale Video Retrieval via Discriminative Signatures
Pengyi HAO Sei-ichiro KAMATA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2013/08/01
Vol. E96-D  No. 8  pp. 1800-1810
Type of Manuscript:  PAPER
Category: Image Processing and Video Processing
Keyword: 
individual retrievalsignaturelinear discriminant analysisvideo dataset
 Summary | Full Text:PDF(3.3MB)

A Novel Color Descriptor for Road-Sign Detection
Qieshi ZHANG Sei-ichiro KAMATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/05/01
Vol. E96-A  No. 5  pp. 971-979
Type of Manuscript:  PAPER
Category: Image
Keyword: 
Road-Sign (RS) detectiondriver assistance system (DAS)color trianglecolor barycenter hexagon (CBH) model
 Summary | Full Text:PDF(5.6MB)

L1-Norm Based Linear Discriminant Analysis: An Application to Face Recognition
Wei ZHOU Sei-ichiro KAMATA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2013/03/01
Vol. E96-D  No. 3  pp. 550-558
Type of Manuscript:  Special Section PAPER (Special Section on Face Perception and Recognition)
Category: Face Perception and Recognition
Keyword: 
linear discriminant analysisL1-normlinear programmingLDA-L12DLDA-L1BLDA-L1face recognition
 Summary | Full Text:PDF(1.9MB)

Face Representation and Recognition with Local Curvelet Patterns
Wei ZHOU Alireza AHRARY Sei-ichiro KAMATA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2012/12/01
Vol. E95-D  No. 12  pp. 3078-3087
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
face recognitiongender estimationlocal curvelet binary patternslearned local curvelet patternsWHSEMD
 Summary | Full Text:PDF(2.5MB)

SSM-HPC: Front View Gait Recognition Using Spherical Space Model with Human Point Clouds
Jegoon RYU Sei-ichiro KAMATA Alireza AHRARY 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2012/07/01
Vol. E95-D  No. 7  pp. 1969-1978
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
gait recognitionhuman point clouds (HPC)silhouette imagestereo cameraprincipal component analysis (PCA)linear discriminate analysis (LDA)
 Summary | Full Text:PDF(2.9MB)

A Simple and Effective Clustering Algorithm for Multispectral Images Using Space-Filling Curves
Jian ZHANG Sei-ichiro KAMATA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2012/07/01
Vol. E95-D  No. 7  pp. 1749-1757
Type of Manuscript:  Special Section PAPER (Special Section on Machine Vision and its Applications)
Category: Segmentation
Keyword: 
space-filling curvesEuclidean distancedata clusteringmultispectral images
 Summary | Full Text:PDF(1.8MB)

A Linear Manifold Color Descriptor for Medicine Package Recognition
Kenjiro SUGIMOTO Koji INOUE Yoshimitsu KUROKI Sei-ichiro KAMATA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2012/05/01
Vol. E95-D  No. 5  pp. 1264-1271
Type of Manuscript:  Special Section PAPER (Special Section on Recent Advances in Multimedia Signal Processing Techniques and Applications)
Category: Image Processing
Keyword: 
low-level color descriptorlinear manifoldmedicine package recognition
 Summary | Full Text:PDF(1.8MB)

Image Description with Local Patterns: An Application to Face Recognition
Wei ZHOU Alireza AHRARY Sei-ichiro KAMATA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2012/05/01
Vol. E95-D  No. 5  pp. 1494-1505
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
face recognitiongender estimationlocal presentationmulti-scans1DLPMSG1DLPMS
 Summary | Full Text:PDF(2.5MB)

Efficiently Finding Individuals from Video Dataset
Pengyi HAO Sei-ichiro KAMATA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2012/05/01
Vol. E95-D  No. 5  pp. 1280-1287
Type of Manuscript:  Special Section PAPER (Special Section on Recent Advances in Multimedia Signal Processing Techniques and Applications)
Category: Video Processing
Keyword: 
face retrievalface trackvideo datasetscene clustering
 Summary | Full Text:PDF(1.8MB)

Novel Algorithm for Polar and Spherical Fourier Analysis on Two and Three Dimensional Images
Zhuo YANG Sei-ichiro KAMATA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2012/05/01
Vol. E95-D  No. 5  pp. 1248-1255
Type of Manuscript:  Special Section PAPER (Special Section on Recent Advances in Multimedia Signal Processing Techniques and Applications)
Category: Image Processing
Keyword: 
polar Fourier analysisspherical Fourier analysisrotation invariantrelative prime numberimage retrieval
 Summary | Full Text:PDF(1.3MB)

Fast Hypercomplex Polar Fourier Analysis
Zhuo YANG Sei-ichiro KAMATA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2012/04/01
Vol. E95-D  No. 4  pp. 1166-1169
Type of Manuscript:  LETTER
Category: Image Processing and Video Processing
Keyword: 
fast hypercomplex polar Fourier analysishypercomplex polar Fourier analysisFourier analysis
 Summary | Full Text:PDF(382.9KB)

Hypercomplex Polar Fourier Analysis for Image Representation
Zhuo YANG Sei-ichiro KAMATA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2011/08/01
Vol. E94-D  No. 8  pp. 1663-1670
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
hypercomplex polar Fourier analysishypercomplex polar Fourier descriptorrotation invarianceimage representation
 Summary | Full Text:PDF(1.4MB)

Hilbert Scan Based Bag-of-Features for Image Retrieval
Pengyi HAO Sei-ichiro KAMATA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2011/06/01
Vol. E94-D  No. 6  pp. 1260-1268
Type of Manuscript:  PAPER
Category: Image Processing and Video Processing
Keyword: 
image searchfeature representationbag-of-featuresHilbert scanning
 Summary | Full Text:PDF(842.8KB)

Interscale Stein's Unbiased Risk Estimate and Intrascale Feature Patches Distance Constraint for Image Denoising
Qieshi ZHANG Sei-ichiro KAMATA Alireza AHRARY 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/08/01
Vol. E93-A  No. 8  pp. 1434-1441
Type of Manuscript:  Special Section PAPER (Special Section on Signal Processing)
Category: Image
Keyword: 
image denoisingorthonormal Wavelet transformStein's unbiased risk estimate (SURE)feature patches distance constraint (FPDC)
 Summary | Full Text:PDF(1.9MB)

Fast Polar and Spherical Fourier Descriptors for Feature Extraction
Zhuo YANG Sei-ichiro KAMATA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2010/07/01
Vol. E93-D  No. 7  pp. 1708-1715
Type of Manuscript:  Special Section PAPER (Special Section on Machine Vision and its Applications)
Category: 
Keyword: 
polar fourier descriptorspherical Fourier descriptorrotation invariantimage retrievalfast algorithm
 Summary | Full Text:PDF(1.1MB)

A Two-Stage Point Pattern Matching Algorithm Using Ellipse Fitting and Dual Hilbert Scans
Li TIAN Sei-ichiro KAMATA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2008/10/01
Vol. E91-D  No. 10  pp. 2477-2484
Type of Manuscript:  PAPER
Category: Pattern Recognition
Keyword: 
point pattern matchingellipse fittingHilbert scantransformation parameter estimationsearch space reduction
 Summary | Full Text:PDF(413.7KB)

Image Enhancement by Analysis on Embedded Surfaces of Images and a New Framework for Enhancement Evaluation
Li TIAN Sei-ichiro KAMATA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2008/07/01
Vol. E91-D  No. 7  pp. 1946-1954
Type of Manuscript:  Special Section PAPER (Special Section on Machine Vision and its Applications)
Category: 
Keyword: 
image enhancementlow contrast and low illuminationhuman vision systemimage embeddingenhancement evaluation
 Summary | Full Text:PDF(4.7MB)

An N-Dimensional Pseudo-Hilbert Scan for Arbitrarily-Sized Hypercuboids
Jian ZHANG Sei-ichiro KAMATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/03/01
Vol. E91-A  No. 3  pp. 846-858
Type of Manuscript:  PAPER
Category: Image
Keyword: 
space-filling curveHilbert scanEuclidean distancelook-up tablehypercube
 Summary | Full Text:PDF(699.1KB)

A New Framework for Constructing Accurate Affine Invariant Regions
Li TIAN Sei-ichiro KAMATA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2007/11/01
Vol. E90-D  No. 11  pp. 1831-1840
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
affine invariant regionPath GrowingThresholding Seeded Growing Regionsellipse fittingnear-duplicate detection
 Summary | Full Text:PDF(1.8MB)

A Pseudo-Hilbert Scan for Arbitrarily-Sized Arrays
Jian ZHANG Sei-ichiro KAMATA Yoshifumi UESHIGE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/03/01
Vol. E90-A  No. 3  pp. 682-690
Type of Manuscript:  PAPER
Category: Image
Keyword: 
space-filling curveHilbert curveEuclidean distancelook-up tablesPseudo-Hilbert scan
 Summary | Full Text:PDF(637.1KB)

A Gradient Based Predictive Coding for Lossless Image Compression
Haijiang TANG Sei-ichiro KAMATA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2006/07/01
Vol. E89-D  No. 7  pp. 2250-2256
Type of Manuscript:  PAPER
Category: Image Processing and Video Processing
Keyword: 
lossless compressionpredictive codingcontext modelinggradient estimation
 Summary | Full Text:PDF(254.1KB)

A Fast and Accurate Algorithm for Matching Images Using Hilbert Scanning Distance with Threshold Elimination Function
Li TIAN Sei-ichiro KAMATA Kazuyuki TSUNEYOSHI Haijiang TANG 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2006/01/01
Vol. E89-D  No. 1  pp. 290-297
Type of Manuscript:  PAPER
Category: Pattern Recognition
Keyword: 
point pattern matchingHausdorff distanceHilbert curveHilbert scanning distancethreshold elimination function
 Summary | Full Text:PDF(1.1MB)

A Method of Making Lookup Tables for Hilbert Scans*
Sei-ichiro KAMATA Michiharu NIIMI Eiji KAWAGUCHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1996/03/25
Vol. E79-D  No. 3  pp. 249-251
Type of Manuscript:  LETTER
Category: Image Processing,Computer Graphics and Pattern Recognition
Keyword: 
Hilbert curveslookup tablesimage compressionN dimensional space
 Summary | Full Text:PDF(168.9KB)

A Neural Net Classifier for Multi-Temporal LANDSAT TM Images
Sei-ichiro KAMATA Eiji KAWAGUCHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1995/10/25
Vol. E78-D  No. 10  pp. 1295-1300
Type of Manuscript:  PAPER
Category: Image Processing, Computer Graphics and Pattern Recognition
Keyword: 
neural networkimage classficationLANDSAT datamulti-tempral data
 Summary | Full Text:PDF(566.5KB)