Hironobu FUJIYOSHI


Abnormal Motion Detection Using Spatio-Temporal Features and Statistical Learning
Ryo YUMIBA  Yasuhiro MURAI  Hironobu FUJIYOSHI 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2012/06/01
Vol. J95-D  No. 6  pp. 1369-1379
Type of Manuscript: PAPER
Category: 
Keyword: 
Space-Time Patchhuman region detectionabnormal motion detection
  Summary |  Full Text(in Japanese):PDF (4.9MB)

A Proposal of Classifier Introducing Transition Likelihood Model Based on Quantization Residual
Yuji YAMAUCHI  Takeo KANADE  Takayoshi YAMASHITA  Hironobu FUJIYOSHI 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2012/03/01
Vol. J95-D  No. 3  pp. 666-674
Type of Manuscript: Special Section PAPER (Special Issue on Student Research)
Category: 
Keyword: 
quantization residualbinary codestransition likelihood modelpedestrian detection
  Summary |  Full Text(in Japanese):PDF (1.5MB)

A Method for Constructing a High-Accuracy Classifier Using Divide and Conquer Strategy Based on Boosting
Masamitsu TSUCHIYA  Hironobu FUJIYOSHI 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2012/03/01
Vol. J95-D  No. 3  pp. 656-665
Type of Manuscript: Special Section PAPER (Special Issue on Student Research)
Category: 
Keyword: 
object detectionBoostingJoint Boostingdivide and conquer strategy
  Summary |  Full Text(in Japanese):PDF (2.6MB)

Proposal of Inside-Out Camera for First Person Vision
Shoichi SHIMIZU  Kazuaki NISHIO  Makoto KIMURA  Hironobu FUJIYOSHI 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2011/11/01
Vol. J94-D  No. 11  pp. 1909-1918
Type of Manuscript: PAPER
Category: 
Keyword: 
First Person Visioninside-out cameragaze estimationstereo vision
  Summary |  Full Text(in Japanese):PDF (1.3MB)

Relational HOG Feature and Masking of Binary by Using Wild-Card for Object Detection
Chika MATSUSHIMA  Yuji YAMAUCHI  Takayoshi YAMASHITA  Hironobu FUJIYOSHI 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2011/08/01
Vol. J94-D  No. 8  pp. 1172-1182
Type of Manuscript: Special Section PAPER (Special Section on Image and Recognition and Understanding)
Category: 
Keyword: 
object detectionbinarizationHistograms of Oriented Gradientswild-cardmasking
  Summary |  Full Text(in Japanese):PDF (883.9KB)

Moving Object Detection with Background Model Based on Spatio-Temporal Texture
Ryo YUMIBA  Masanori MIYOSHI  Hironobu FUJIYOSHI  Yasuhiro MURAI 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2011/07/01
Vol. J94-D  No. 7  pp. 1101-1112
Type of Manuscript: PAPER
Category: 
Keyword: 
moving object detectionbackground subtractionSpace-Time Patch
  Summary |  Full Text(in Japanese):PDF (1.4MB)

Fast Human Detection Method Using Approximated Texton Features
Tomokazu MITSUI  Hironobu FUJIYOSHI  Tokihiko AKITA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2011/07/01
Vol. J94-D  No. 7  pp. 1135-1144
Type of Manuscript: PAPER
Category: 
Keyword: 
human detectionlocal featuresReal AdaBoostapproximated texton featuresIntegral Image
  Summary |  Full Text(in Japanese):PDF (1.7MB)

Human-Area Segmentation Using Chamfer Matching by Selecting Similar Silhouette Images Based on Weak-Classifier Response
Yosuke MURAI  Hiroaki ANDO  Hironobu FUJIYOSHI  Masaya ITOH  Masato KAZUI 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2011/04/01
Vol. J94-D  No. 4  pp. 730-741
Type of Manuscript: PAPER
Category: 
Keyword: 
segmentationChamfer Matchingpedestrian detectionhuman identification
  Summary |  Full Text(in Japanese):PDF (2MB)

Improving Object Detection Accuracy by Feature Co-occurrence Using Geometric Context
Masanari TAKAKI  Yuji YAMAUCHI  Hironobu FUJIYOSHI 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2010/08/01
Vol. J93-D  No. 8  pp. 1429-1438
Type of Manuscript: Special Section PAPER (Special Section on Image Recognition and Understanding)
Category: 
Keyword: 
Geometric ContextHistograms of Oriented Gradientsobject detectionco-occurrence probability featureboosting
  Summary |  Full Text(in Japanese):PDF (1.6MB)

Real-Time Human Detection Using Local Features Based on Depth Information
Sho IKEMURA  Hironobu FUJIYOSHI 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2010/03/01
Vol. J93-D  No. 3  pp. 355-364
Type of Manuscript: PAPER
Category: 
Keyword: 
human detectionTOF cameradepth histogram featuresreal AdaBoost
  Summary |  Full Text(in Japanese):PDF (1.5MB)

A Model of the Iris Pattern Stretches in Relation to Pupil Diameter and Its Application to Measurement of Roll Eye Movements
Tsutomu HASHIMOTO  Yoshio MAKI  Yusuke SAKASHITA  Junpei NISHIYAMA  Hironobu FUJIYOSHI  Yutaka HIRATA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2010/01/01
Vol. J93-D  No. 1  pp. 39-46
Type of Manuscript: PAPER
Category: 
Keyword: 
eye movementmeasurement rotational angleiris patternpupil
  Summary |  Full Text(in Japanese):PDF (1.7MB)

Object Detection by Two-Stage Boosting with Joint Features
Tomokazu MITSUI  Yuji YAMAUCHI  Hironobu FUJIYOSHI 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2009/09/01
Vol. J92-D  No. 9  pp. 1591-1601
Type of Manuscript: PAPER
Category: 
Keyword: 
object detectionHistograms of Oriented GradientsBoostingJoint features
  Summary |  Full Text(in Japanese):PDF (1.2MB)

Pedestrian Detection by Boosting-Based Feature Co-occurrence Representation
Yuji YAMAUCHI  Takayoshi YAMASHITA  Hironobu FUJIYOSHI 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2009/08/01
Vol. J92-D  No. 8  pp. 1125-1134
Type of Manuscript: Special Section PAPER (Special Section on Image Recognition and Understanding)
Category: 
Keyword: 
pedestrian detectionco-occurrenceReal AdaBoostHistograms of Oriented Gradients
  Summary |  Full Text(in Japanese):PDF (886.1KB)

Video Segmentation Using Iterated Graph Cuts Based on Spatio-Temporal Volume
Tomoyuki NAGAHASHI  Hironobu FUJIYOSHI  Takeo KANADE 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2009/08/01
Vol. J92-D  No. 8  pp. 1339-1348
Type of Manuscript: Special Section PAPER (Special Section on Image Recognition and Understanding)
Category: 
Keyword: 
foreground extractionvideo segmentationgraph cuts
  Summary |  Full Text(in Japanese):PDF (2.2MB)

Mean-Shift Based Color Tracking in the Illuminance Change
Yuji HAYASHI  Hironobu FUJIYOSHI  Yuji IWAHORI 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2007/08/01
Vol. J90-D  No. 8  pp. 2039-2048
Type of Manuscript: Special Section PAPER (Special Section on Image Recognition and Understanding)
Category: 
Keyword: 
mean-shiftcolor trackingillumination change
  Summary |  Full Text(in Japanese):PDF (1.2MB)

A Method for Regularizing Three Dimensional Scene Flow by Subspace Constraints and Estimating Rigid Motion
Hiroki MIZUNO  Hironobu FUJIYOSHI  Yuji IWAHORI 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2007/08/01
Vol. J90-D  No. 8  pp. 2019-2027
Type of Manuscript: Special Section PAPER (Special Section on Image Recognition and Understanding)
Category: 
Keyword: 
3D scene flowsubspace constraintsregularizationmotion estimation
  Summary |  Full Text(in Japanese):PDF (942.5KB)