Yukio Sadahiro - researchr alias

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2025

Point cluster analysis using weighted random labelingYukio Sadahiro, Ikuho Yamada. jgs, 27(1):63-83, January 2025. [doi]

2024

Market area analysis with a focus on the spatial relationship between sites and their visitorsYukio Sadahiro, Hidetaka Matsumoto. tgis, 28(5):1111-1129, August 2024. [doi]

Analysis of a spatial point pattern in relation to a reference pointYukio Sadahiro, Hidetaka Matsumoto. jgs, 26(3):351-373, July 2024. [doi]

Horizontal and vertical inequity of multi-modal healthcare accessibility in the aging Japan in the post-COVID era: a GIS-based approachSiqin Wang, Yukio Sadahiro. digearth, 17(1), December 2024. [doi]

2023

Event pattern analysis: Spatial clustering of sequential events and temporal change of events over timeYukio Sadahiro. tgis, 27(1):260-274, February 2023. [doi]

2022

A method for evaluating the degree of spatial and temporal avoidance in spatial point patternsYukio Sadahiro. jgs, 24(2):241-260, 2022. [doi]

A fine-grained evaluation of social vulnerability to COVID-19, healthcare access and built environmental disparities in Tokyo, JapanSiqin Wang, Yukio Sadahiro. digearth, 15(1):2006-2027, December 2022. [doi]

2021

A method for analyzing the expansion and shrinkage of point patternYukio Sadahiro. tgis, 25(1):534-550, 2021. [doi]

2019

Statistical analysis of spatial segregation of pointsYukio Sadahiro. urban, 76:123-138, 2019. [doi]

Analysis of the appearance and disappearance of point objects over timeYukio Sadahiro. gis, 33(2):215-239, 2019. [doi]

2018

Robust statistical approaches for circle fitting in laser scanning three-dimensional point cloud dataAbdul Nurunnabi, Yukio Sadahiro, Debra F. Laefer. PR, 81:417-431, 2018. [doi]

Descriptive Measures of Point Distributions Summarized with Respect to Spatial Scale in VisualizationYukio Sadahiro. cartographica, 53(3):185-202, 2018. [doi]

2015

A method for analyzing the segregation between point distributions: statistical tests and consideration of attributesYukio Sadahiro. jgs, 17(1):29-60, 2015. [doi]

2014

Measuring geographic segregation: a graph-based approachSeong-Yun Hong, Yukio Sadahiro. jgs, 16(2):211-231, 2014. [doi]

Exploratory analysis of time series data: Detection of partial similarities, clustering, and visualizationYukio Sadahiro, Tetsuo Kobayashi. urban, 45:24-33, 2014. [doi]

2013

Trajectories of Moving Objects on a Network: Detection of Similarities, Visualization of Relations, and Classification of TrajectoriesYukio Sadahiro, Raymond Lay, Tetsuo Kobayashi. tgis, 17(1):18-40, 2013. [doi]

A method for comparing numerical variables defined in a regionYukio Sadahiro. urban, 41:65-74, 2013. [doi]

2011

Analysis of the relations among spatial tessellationsYukio Sadahiro. jgs, 13(4):373-391, 2011. [doi]

2010

Analysis of the spatial relations among point distributions on a discrete spaceYukio Sadahiro. gis, 24(7):997-1014, 2010. [doi]

2006

Accuracy of quantized Voronoi diagramsYukio Sadahiro, Takashi Tominaga. gis, 20(10):1173-1189, 2006. [doi]

2005

Buffer Operation on Spatial Data with Limited AccuracyYukio Sadahiro. tgis, 9(3):323-344, 2005. [doi]

2003

Stability of the surface generated from distributed points of uncertain locationYukio Sadahiro. gis, 17(2):139-156, 2003. [doi]

Cluster detection in uncertain point distributions: a comparison of four methodsYukio Sadahiro. urban, 27(1):33-52, 2003. [doi]

2001

A computational approach for the analysis of changes in polygon distributionsYukio Sadahiro, Mitsuru Umemura. jgs, 3(2):137-154, 2001. [doi]

Number of Polygons Generated by Map Overlay: The Case of Convex PolygonsYukio Sadahiro. tgis, 5(4):345-353, 2001. [doi]

Analysis of surface changes using primitive eventsYukio Sadahiro. gis, 15(6):523-538, 2001. [doi]

2000

Accuracy of count data transferred through the areal weighting interpolation methodYukio Sadahiro. gis, 14(1):25-50, 2000. [doi]

1999

Statistical methods for analyzing the distribution of spatial objects in relation to a surfaceYukio Sadahiro. jgs, 1(2):107-136, 1999. [doi]

Accuracy of areal interpolation: A comparison of alternative methodsYukio Sadahiro. jgs, 1(4):323-346, 1999. [doi]

1997

Variation in Count Data Transferred from a Set of Irregular Zones to a Set of Regular Zones Through the Point-in-Polygon MethodAtsuyuki Okabe, Yukio Sadahiro. gis, 11(1):93-106, 1997.

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