Search Results - "Quadtrees"

Enhanced Fractal Image Compression using Quadtree Partitioning and Double Moment Descriptors.

Alternate Title: تقسيم رباعي معتمد على Quadtree قائم على مشغل Prewitt مع الوصف المزدوج لتحسين نظام ضغط الصور الكسورية.

Authors: Rasheed, Israa S. Sultan, Bushra A.

Source: Iraqi Journal of Science. 2026, Vol. 67 Issue 1, p457-481. 25p.

Segmentation of Macrophages on a Quadtree Grid Using the p4est Library.

Authors: Krivá, Zuzana¹ zuzana.kriva@stuba.sk

Source: Tatra Mountains Mathematical Publications. Dec2025, Vol. 91 Issue 3, p101-128. 28p.

Improved Quadtree-Based Selection of Single Images for 3D Generation.

Authors: Li, Wanyun Liu, Yue Fang, Yuqiang et al.

Source: Sensors (14248220). Nov2025, Vol. 25 Issue 21, p6559. 15p.

TBSI: a Transformer-based spatial learned index for efficient construction and query.

Authors: Hu, Yusen Tang, Peng Meng, Yuhang et al.

Source: International Journal of Geographical Information Science. Jul2026, Vol. 40 Issue 7, p1943-1971. 29p.

Subjects: Quadtrees, Indexing, Data management, Machine learning, Geospatial data, Transformer models, Search algorithms

面向稠密区域的本地化差分隐私自适应空间分解.

Alternate Title: Adaptive spatial decomposition based on localized differential privacy for dense regions.

Authors: 季博 李晓会 贾旭

Source: Application Research of Computers / Jisuanji Yingyong Yanjiu. Aug2025, Vol. 42 Issue 8, p2518-2524. 7p.

A QUADTREE, A STEINER SPANNER, AND APPROXIMATE NEAREST NEIGHBOURS IN HYPERBOLIC SPACE.

Authors: Kisfaludi-Bak, Sándor van Wordragen, Geert

Source: Journal of Computational Geometry. 2025, Vol. 16 Issue 2, p145-174. 30p.

Path planning for mobile robot via the adaptive scale hybrid fast marching method.

Authors: Jianhua, Zhang Keyuan, Shi Zhaojun, Zhang et al.

Source: International Journal of Machine Learning & Cybernetics; Mar2026, Vol. 17 Issue 3, p1-19, 19p

An Experimental Evaluation of k2‐Tree on External Memory.

Authors: Gutiérrez, Gilberto Romero, Miguel Penabad, Miguel R. et al.

Source: Software: Practice & Experience; Feb2026, Vol. 56 Issue 2, p123-140, 18p

Dynamic scene localization and fusion mapping with a light detection and ranging sensor and a depth camera.

Authors: Wang, Xianlun Cheng, Wentao Zhou, Yusong et al.

Source: Robotica; Feb2026, Vol. 44 Issue 2, p565-582, 18p

Enhancing Rendering Performance in Complex Visualizations by using Optimization Techniques and Algorithms in Browser Environments.

Authors: Brekalo, Sanja Pap, Klaudio Trstenjak, Bruno

Source: Engineering, Technology & Applied Science Research; Jun2024, Vol. 14 Issue 3, p14049-14055, 7p

基于关键路径的动态本地化差分隐私位置保护方法. (Chinese)

Authors: 晏, 燕 刘, 坤 张, 艳莉 et al.

Source: Chinese Journal of Network & Information Security; Oct2025, Vol. 11 Issue 5, p68-87, 20p

QiGSAN: A Novel Probability-Informed Approach for Small Object Segmentation in the Case of Limited Image Datasets.

Authors: Gorshenin, Andrey Dostovalova, Anastasia

Source: Big Data & Cognitive Computing; Sep2025, Vol. 9 Issue 9, p239, 25p

A Localized Version of the Method of Fundamental Solutions in a Multi-level Context.

Authors: Gáspár, Csaba¹ gasparcs@math.sze.hua

Source: Periodica Polytechnica: Civil Engineering. 2023, Vol. 67 Issue 3, p716-724. 9p.

ARES: An anonymous region expanding system for location privacy preservation.

Authors: Zhang, Lei Liu, Yutao Wang, Zhenyu et al.

Source: Measurement (02632241). May2026, Vol. 272, pN.PAG-N.PAG. 1p.

Subjects: Quadtrees, Privacy, Anonymity

A simple virtual element-based flux recovery on quadtree.

Authors: Cao, Shuhao¹ s.cao@wustl.edu

Source: Electronic Research Archive. Dec2021, Vol. 29 Issue 6, p1-19. 19p.

Optimal Joins Using Compressed Quadtrees.

Authors: ARROYUELO, DIEGO NAVARRO, GONZALO REUTTER, JUAN L. et al.

Source: ACM Transactions on Database Systems. May2022, Vol. 47 Issue 2, p1-53. 53p.

Stabilized asynchronous fast adaptive composite multigrid using additive damping.

Authors: Murray, Charles D. Weinzierl, Tobias

Source: Numerical Linear Algebra with Applications; May2021, Vol. 28 Issue 3, p1-23, 23p

Adaptive Quadtree scaled boundary finite element approach for sequential element rejection and admission topology optimization under dynamic responses.

Authors: Su, Rut Pavaluksanawat, Aornwara Sutha, Arnut et al.

Source: Engineering Analysis with Boundary Elements. Aug2026, Vol. 189, pN.PAG-N.PAG. 1p.

Subjects: Quadtrees, Structural optimization, Finite element method, Dynamic loads, Time integration scheme, Structural design

A fast quadtree‐based terrain crack locating method that accounts for adjacency relationships.

Authors: Li, Chengming Zhao, Zhanjie Sun, Wei et al.

Source: Transactions in GIS. Dec2019, Vol. 23 Issue 6, p1374-1392. 19p.

Faster compressed quadtrees.

Authors: de Bernardo, Guillermo Gagie, Travis Ladra, Susana et al.

Source: Journal of Computer & System Sciences. Feb2023, Vol. 131, p86-104. 19p.

Subjects: Quadtrees, Point set theory, Multicasting (Computer networks)