Yukio Sadahiro

31 papers Journal 31
YearRankTypeTitle / Venue / Authors
2025 J jnl
A Method for Evaluating Point Segregation and Its Statistical Power.
Trans. GIS
Yukio Sadahiro
2025 J jnl
Point cluster analysis using weighted random labeling.
J. Geogr. Syst.
Yukio Sadahiro, Ikuho Yamada
2024 J jnl
Analysis of a spatial point pattern in relation to a reference point.
J. Geogr. Syst.
Yukio Sadahiro, Hidetaka Matsumoto
2024 J jnl
Horizontal and vertical inequity of multi-modal healthcare accessibility in the aging Japan in the post-COVID era: a GIS-based approach.
Int. J. Digit. Earth
Siqin Wang, Yukio Sadahiro
2024 J jnl
Market area analysis with a focus on the spatial relationship between sites and their visitors.
Trans. GIS
Yukio Sadahiro, Hidetaka Matsumoto
2023 J jnl
Event pattern analysis: Spatial clustering of sequential events and temporal change of events over time.
Trans. GIS
Yukio Sadahiro
2022 J jnl
A fine-grained evaluation of social vulnerability to COVID-19, healthcare access and built environmental disparities in Tokyo, Japan.
Int. J. Digit. Earth
Siqin Wang, Yukio Sadahiro
2022 J jnl
A method for evaluating the degree of spatial and temporal avoidance in spatial point patterns.
J. Geogr. Syst.
Yukio Sadahiro
2021 J jnl
A method for analyzing the expansion and shrinkage of point pattern.
Trans. GIS
Yukio Sadahiro
2019 J jnl
Analysis of the appearance and disappearance of point objects over time.
Int. J. Geogr. Inf. Sci.
Yukio Sadahiro
2019 J jnl
Statistical analysis of spatial segregation of points.
Comput. Environ. Urban Syst.
Yukio Sadahiro
2018 J jnl
Descriptive Measures of Point Distributions Summarized with Respect to Spatial Scale in Visualization.
Cartogr. Int. J. Geogr. Inf. Geovisualization
Yukio Sadahiro
2018 J jnl
Robust statistical approaches for circle fitting in laser scanning three-dimensional point cloud data.
Pattern Recognit.
Abdul Nurunnabi, Yukio Sadahiro, Debra F. Laefer
2015 J jnl
A method for analyzing the segregation between point distributions: statistical tests and consideration of attributes.
J. Geogr. Syst.
Yukio Sadahiro
2014 J jnl
Exploratory analysis of time series data: Detection of partial similarities, clustering, and visualization.
Comput. Environ. Urban Syst.
Yukio Sadahiro, Tetsuo Kobayashi
2014 J jnl
Measuring geographic segregation: a graph-based approach.
J. Geogr. Syst.
Seong-Yun Hong, Yukio Sadahiro
2013 J jnl
A method for comparing numerical variables defined in a region.
Comput. Environ. Urban Syst.
Yukio Sadahiro
2013 J jnl
Trajectories of Moving Objects on a Network: Detection of Similarities, Visualization of Relations, and Classification of Trajectories.
Trans. GIS
Yukio Sadahiro, Raymond Lay, Tetsuo Kobayashi
2011 J jnl
Analysis of the relations among spatial tessellations.
J. Geogr. Syst.
Yukio Sadahiro
2010 J jnl
Analysis of the spatial relations among point distributions on a discrete space.
Int. J. Geogr. Inf. Sci.
Yukio Sadahiro
2006 J jnl
Accuracy of quantized Voronoi diagrams.
Int. J. Geogr. Inf. Sci.
Yukio Sadahiro, Takashi Tominaga
2005 J jnl
Buffer Operation on Spatial Data with Limited Accuracy.
Trans. GIS
Yukio Sadahiro
2003 J jnl
Cluster detection in uncertain point distributions: a comparison of four methods.
Comput. Environ. Urban Syst.
Yukio Sadahiro
2003 J jnl
Stability of the surface generated from distributed points of uncertain location.
Int. J. Geogr. Inf. Sci.
Yukio Sadahiro
2001 J jnl
A computational approach for the analysis of changes in polygon distributions.
J. Geogr. Syst.
Yukio Sadahiro, Mitsuru Umemura
2001 J jnl
Analysis of surface changes using primitive events.
Int. J. Geogr. Inf. Sci.
Yukio Sadahiro
2001 J jnl
Number of Polygons Generated by Map Overlay: The Case of Convex Polygons.
Trans. GIS
Yukio Sadahiro
2000 J jnl
Accuracy of count data transferred through the areal weighting interpolation method.
Int. J. Geogr. Inf. Sci.
Yukio Sadahiro
1999 J jnl
Accuracy of areal interpolation: A comparison of alternative methods.
J. Geogr. Syst.
Yukio Sadahiro
1999 J jnl
Statistical methods for analyzing the distribution of spatial objects in relation to a surface.
J. Geogr. Syst.
Yukio Sadahiro
1997 J jnl
Variation in Count Data Transferred from a Set of Irregular Zones to a Set of Regular Zones Through the Point-in-Polygon Method.
Int. J. Geogr. Inf. Sci.
Atsuyuki Okabe, Yukio Sadahiro