Kenichi KANATANI


Optimization without Minimization Search: Constraint Satisfaction by Orthogonal Projection with Applications to Multiview Triangulation
Kenichi KANATANI Yasuyuki SUGAYA Hirotaka NIITSUMA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2010/10/01
Vol. E93-D  No. 10  pp. 2836-2845
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
consistency constraint satisfactionorthogonal projectionline fittingmultiview triangulationtrifocal tensor
 Summary | Full Text:PDF(357KB)

Geometric BIC
Kenichi KANATANI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2010/01/01
Vol. E93-D  No. 1  pp. 144-151
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
geometric model selectionAICBICMDLBayesian estimationdegeneracy detection
 Summary | Full Text:PDF(145.6KB)

Uncalibrated Factorization Using a Variable Symmetric Affine Camera
Kenichi KANATANI Yasuyuki SUGAYA Hanno ACKERMANN 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2007/05/01
Vol. E90-D  No. 5  pp. 851-858
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
factorizationstructure from motionaffine cameraself-calibrationvideo image analysis
 Summary | Full Text:PDF(476.1KB)

High Accuracy Fundamental Matrix Computation and Its Performance Evaluation
Kenichi KANATANI Yasuyuki SUGAYA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2007/02/01
Vol. E90-D  No. 2  pp. 579-585
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
fundamental matrixgeometric fittingKCR lower boundmaximum likelihoodconvergence performance
 Summary | Full Text:PDF(466.7KB)

Ellipse Fitting with Hyperaccuracy
Kenichi KANATANI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2006/10/01
Vol. E89-D  No. 10  pp. 2653-2660
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
ellipse fittingmaximum likelihood estimationKCR lower bounderror analysishyperaccuracy correction
 Summary | Full Text:PDF(162.9KB)

Statistical Optimization for 3-D Reconstruction from a Single View
Kenichi KANATANI Yasuyuki SUGAYA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2005/10/01
Vol. E88-D  No. 10  pp. 2260-2268
Type of Manuscript:  Special Section PAPER (Special Section on Image Recognition and Understanding)
Category: 
Keyword: 
3-D reconstructionstatistical optimizationvanishing pointvanishing lineprincipal point
 Summary | Full Text:PDF(676.9KB)

Optimizing a Triangular Mesh for Shape Reconstruction from Images
Atsutada NAKATSUJI Yasuyuki SUGAYA Kenichi KANATANI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2005/10/01
Vol. E88-D  No. 10  pp. 2269-2276
Type of Manuscript:  Special Section PAPER (Special Section on Image Recognition and Understanding)
Category: 
Keyword: 
triangular mesh generationDelaunay triangulationpolyhedral representationmesh optimization3-D reconstruction
 Summary | Full Text:PDF(2.2MB)

Multi-Stage Unsupervised Learning for Multi-Body Motion Segmentation
Yasuyuki SUGAYA Kenichi KANATANI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/07/01
Vol. E87-D  No. 7  pp. 1935-1942
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
motion segmentationunsupervised learningEM algorithmaffine camera modeldegenerate motion
 Summary | Full Text:PDF(438.9KB)

Extending Interrupted Feature Point Tracking for 3-D Affine Reconstruction
Yasuyuki SUGAYA Kenichi KANATANI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/04/01
Vol. E87-D  No. 4  pp. 1031-1038
Type of Manuscript:  PAPER
Category: Image Recognition, Computer Vision
Keyword: 
feature trackingmissing data estimationoutlier removalfactorization3-D reconstruction
 Summary | Full Text:PDF(629.1KB)

Outlier Removal for Motion Tracking by Subspace Separation
Yasuyuki SUGAYA Kenichi KANATANI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/06/01
Vol. E86-D  No. 6  pp. 1095-1102
Type of Manuscript:  PAPER
Category: Image Processing, Image Pattern Recognition
Keyword: 
feature trackingoutlier removalsubspace separationrobust estimationRANSAC
 Summary | Full Text:PDF(1.2MB)

Optimal Grid Pattern for Automated Camera Calibration Using Cross Ratio
Chikara MATSUNAGA Yasushi KANAZAWA Kenichi KANATANI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/10/25
Vol. E83-A  No. 10  pp. 1921-1928
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Image Processing
Keyword: 
cross ratioMarkov processerror analysisreliability evaluationvirtual studio
 Summary | Full Text:PDF(927.5KB)

Optimal Homography Computation with a Reliability Measure
Kenichi KANATANI Naoya OHTA Yasushi KANAZAWA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2000/07/25
Vol. E83-D  No. 7  pp. 1369-1374
Type of Manuscript:  Special Section PAPER (Special Issue on Machine Vision Applications)
Category: 
Keyword: 
homographyimage mosaicingreliability evaluationrenormalizationtheoretical accuracy bound
 Summary | Full Text:PDF(3MB)

Optimal Robot Self-Localization and Accuracy Bounds
Kenichi KANATANI Naoya OHTA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1999/02/25
Vol. E82-D  No. 2  pp. 447-452
Type of Manuscript:  PAPER
Category: Image Processing,Computer Graphics and Pattern Recognition
Keyword: 
mobile robotimage sensingself-localizationstatistical estimationtheoretical accuracy boundbootstrap
 Summary | Full Text:PDF(284.6KB)

Optimal Estimation of Three-Dimensional Rotation and Reliability Evaluation
Naoya OHTA Kenichi KANATANI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1998/11/25
Vol. E81-D  No. 11  pp. 1247-1252
Type of Manuscript:  PAPER
Category: Image Processing,Computer Graphics and Pattern Recognition
Keyword: 
3-D rotationstatistical inferencetheoretical accuracy boundrenormalizationstereo vision bootstrap
 Summary | Full Text:PDF(740KB)

Automatic Recognition of Regular Figures by Geometric AIC
Iman TRIONO Naoya OHTA Kenichi KANATANI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1998/02/25
Vol. E81-D  No. 2  pp. 246-248
Type of Manuscript:  LETTER
Category: Image Processing,Computer Graphics and Pattern Recognition
Keyword: 
geometric AIC model selection CADgraphics interfacepattern recognition
 Summary | Full Text:PDF(202.9KB)

Moving Object Detection from Optical Flow without Empirical Thresholds
Naoya OHTA Kenichi KANATANI Kazuhiro KIMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1998/02/25
Vol. E81-D  No. 2  pp. 243-245
Type of Manuscript:  LETTER
Category: Image Processing,Computer Graphics and Pattern Recognition
Keyword: 
geometric AICmodel selectionoptical flowmoving object detectionstatistical inference
 Summary | Full Text:PDF(279KB)

Infinity and Planarity Test for Stereo Vision
Yasushi KANAZAWA Kenichi KANATANI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1997/08/25
Vol. E80-D  No. 8  pp. 774-779
Type of Manuscript:  PAPER
Category: Image Processing,Computer Graphics and Pattern Recognition
Keyword: 
AICtesting of hypothesesmodel selectionstereo visioninfinity testplanarity test
 Summary | Full Text:PDF(469.9KB)

Optimal Line Fitting and Reliability Evaluation
Yasushi KANAZAWA Kenichi KANATANI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1996/09/25
Vol. E79-D  No. 9  pp. 1317-1322
Type of Manuscript:  PAPER
Category: Image Processing,Computer Graphics and Pattern Recognition
Keyword: 
line fittingstatistical model of noiseoptimization techniqueimage processingreliability evaluationedge detection
 Summary | Full Text:PDF(522.5KB)

Optimal Conic Fitting and Reliability Evaluation
Yasushi KANAZAWA Kenichi KANATANI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1996/09/25
Vol. E79-D  No. 9  pp. 1323-1328
Type of Manuscript:  PAPER
Category: Image Processing,Computer Graphics and Pattern Recognition
Keyword: 
conic fittingreliability evaluationstatistical model of noiseimage processingstatistical optimization
 Summary | Full Text:PDF(458.9KB)

Optimal Structure-from-Motion Algorithm for Optical Flow
Naoya OHTA Kenichi KANATANI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1995/12/25
Vol. E78-D  No. 12  pp. 1559-1566
Type of Manuscript:  Special Section PAPER (Special Issue on Machine Vision Applications)
Category: 
Keyword: 
optical flowmotion parameterdepth mapmaximum likelihood estimationrenormalization
 Summary | Full Text:PDF(584.2KB)

Reliability of Fitting a Plane to Range Data
Yasushi KANAZAWA Kenichi KANATANI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1995/12/25
Vol. E78-D  No. 12  pp. 1630-1635
Type of Manuscript:  Special Section PAPER (Special Issue on Machine Vision Applications)
Category: 
Keyword: 
reliability of 3-D reconstructionrange sensingplane fittingline fittingstatistical optimizationnoise estimation
 Summary | Full Text:PDF(444.7KB)

Reliability of 3-D Reconstruction by Stereo Vision
Yasushi KANAZAWA Kenichi KANATANI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1995/10/25
Vol. E78-D  No. 10  pp. 1301-1306
Type of Manuscript:  PAPER
Category: Image Processing, Computer Graphics and Pattern Recognition
Keyword: 
stereo visionreliability of 3-D reconstructionmodel of image noiseepipolar equationstatistical optimizationnoise estimation
 Summary | Full Text:PDF(455KB)

3-D Motion Analysis of a Planar Surface by Renormalization
Kenichi KANATANI Sachio TAKEDA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1995/08/25
Vol. E78-D  No. 8  pp. 1074-1079
Type of Manuscript:  PAPER
Category: Image Processing, Computer Graphics and Pattern Recognition
Keyword: 
computer vision3-D motion analysisplanar surfaceprojective transformationrenormalizationstatistical bias
 Summary | Full Text:PDF(454.4KB)

Direct Reconstruction of Planar Surfaces by Stereo Vision
Yasushi KANAZAWA Kenichi KANATANI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1995/07/25
Vol. E78-D  No. 7  pp. 917-922
Type of Manuscript:  PAPER
Category: Image Processing, Computer Graphics and Pattern Recognition
Keyword: 
reliability of 3-D reconstructionstereo visionplane fittingstatistical optimizationnoise estimation
 Summary | Full Text:PDF(501.7KB)

Renormalization for Motion Analysis: Statistically Optimal Algorithm
Kenichi KANATANI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1994/11/25
Vol. E77-D  No. 11  pp. 1233-1239
Type of Manuscript:  Special Section PAPER (Special Issue on Computer Vision)
Category: 
Keyword: 
error analysismotion analysisoptimal estimationrenormalization3-D reconstruction
 Summary | Full Text:PDF(529KB)

Anatomy of Camera Calibration Using Vanishing Points
Kenichi KANATANI Yasuhiro ONODERA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1991/10/25
Vol. E74-D  No. 10  pp. 3369-3378
Type of Manuscript:  Special Section PAPER (Special Issue on Computer Vision and Its Applications)
Category: 
Keyword: 
 Summary | Full Text:PDF(728.7KB)