Koichi HARADA


Modification of Cubic Bezier Spirals for Curvature Linearity
Koichi HARADA Hidekazu USUI Koichiro NISHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2007/01/01
Vol. E90-D  No. 1  pp. 364-370
Type of Manuscript:  PAPER
Category: Computer Graphics
Keyword: 
spiralscurvature variationclothoidBezier curvevolume of a curvetransition curve
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Geometrical Approach for Corner Detection
Daniel A. TEFERA Koichi HARADA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2002/04/01
Vol. E85-D  No. 4  pp. 727-734
Type of Manuscript:  PAPER
Category: Pattern Recognition
Keyword: 
corner detectoredge detectorcentroidedgel
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Single Spirals in Highway Design and Bounds for Their Scaling
V. S. Rao SASIPALLI Gouri Shankar SASIPALLI Koichi HARADA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1997/11/25
Vol. E80-D  No. 11  pp. 1084-1091
Type of Manuscript:  PAPER
Category: Image Processing,Computer Graphics and Pattern Recognition
Keyword: 
highway designclothoid curvesingle transition spiralscaling factor
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Effective Data Reduction by the Curvature-Based Polygonal Approximation
Kento MIYAOKU Koichi HARADA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1997/02/25
Vol. E80-D  No. 2  pp. 250-258
Type of Manuscript:  PAPER
Category: Image Processing,Computer Graphics and Pattern Recognition
Keyword: 
polygonal approximationweighted minimum number problemcurvature information
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The Cone Intersection Method for Min-# Polygonal Approximation in R2
Kento MIYAOKU Koichi HARADA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1996/04/25
Vol. E79-D  No. 4  pp. 343-348
Type of Manuscript:  PAPER
Category: Image Processing,Computer Graphics and Pattern Recognition
Keyword: 
polygonal approximationmin-# problemcone intersection methodparallel-strip error criterion
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Cubic Spline Generation by Point Extrapolation
Koichi HARADA Eihachiro NAKAMAE 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1983/01/25
Vol. E66-E  No. 1  pp. 28-33
Type of Manuscript:  PAPER
Category: Computers
Keyword: 
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Local Curve Fitting Procedures Using Cubic Splines
Koichi HARADA Eihachiro NAKAMAE 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1981/05/25
Vol. E64-E  No. 5  pp. 309-313
Type of Manuscript:  PAPER
Category: Computers
Keyword: 
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