A quadtree is a tree data structure in which each internal node has exactly four children. Quadtrees are the two-dimensional analog of octrees and are...

and used directly, which is called a linear quadtree, or they can be used to build a pointer based quadtree. The input points are usually scaled in each...

infinite grid, with the pattern in question centered near the origin. A quadtree (with sharing of nodes) is used to represent the field. A node at the kth...

subdividing it into eight octants. Octrees are the three-dimensional analog of quadtrees. The word is derived from oct (Greek root meaning "eight") + tree. Octrees...

generalization of other spatial tree structures such as k-d trees and quadtrees, one where hyperplanes that partition the space may have any orientation...

are merged to create the segmented result. The technique incorporates a quadtree data structure, meaning that there is a parent-child node relationship...

constant k > 1. The algorithm uses shifted quadtrees. The key concept of the algorithm is alignment to the quadtree grid. An object of size r is called k-aligned...

Dynamic visualization of the quadtree structure of the Barnes-Hut algorithm for the 2D N-body problem...

paradigms. Finkel and J.L. Bentley created the data structure called the quadtree. Finkel was born in Chicago. He entered the University of Chicago, where...

An example of a recursive binary space partitioning quadtree for a 2D index...

complex objects as compared using an arbitrary metric. Octree PH-tree Quadtree R-tree: Typically the preferred method for indexing spatial data. Objects...

Implicit k-d tree Min/max k-d tree Relaxed k-d tree Adaptive k-d tree Quadtree Octree Linear octree Z-order UB-tree R-tree R+ tree R* tree Hilbert R-tree...

called a Böröczky tiling) is a tiling of the hyperbolic plane, resembling a quadtree over the Poincaré half-plane model of the hyperbolic plane. The tiles are...

{content-type: text/plain OR application/vnd.shp } .qix — an alternative quadtree spatial index used by MapServer and GDAL/OGR software {content-type: application/vnd...

pushdown transducer p-way merge sort qm sort qsort quadratic probing quadtree quadtree complexity theorem quad trie quantum computation queue quicksort Rabin–Karp...

partitioning index with a structure similar to that of a quadtree or octree. However, unlike quadtrees, it uses a splitting policy based on tries and similar...

tree, B+ tree, B*-tree, UB-tree) Dancing tree Fusion tree k-d tree Octree Quadtree R-tree Radix tree Top tree Lehman, Tobin J.; Carey, Michael J. (25–28 August...

fluid mechanics) using various data structures (including of course the quadtree/octree) and optimized operators for iteration, derivation, etc. Solvers...

regular objects such as heightfields and polygon meshes tend to employ quadtrees and octrees, which are specialized variants of a 3D bounding box hierarchy...

Grid Reference System Universal Transverse Mercator coordinate system Quadtree Geohash https://www.researchgate.net/publication/389945471_Natural_Area_Coding_System...

subpavings. In computation, a well-known application of subpaving in R² is the Quadtree data structure. In image tracing context and other applications is important...

Wróblewski, P.; Midura, M. (October 2021). "A Finite Volume Method using a Quadtree Non-Uniform Structured Mesh for Modeling in Electrical Capacitance Tomography"...

Cueto, E.; Doblaré, M. (2005). "A natural neighbour Galerkin method with quadtree structure". Int. J. Numer. Methods Eng. 63 (6): 789–812. Bibcode:2005IJNME...

products, and transportation". 2011 Hanan Samet For "pioneering research on quadtrees and other multidimensional spatial data structures for sorting spatial...

called superblocks of 64×64 pixels which are adaptively subpartitioned in a quadtree coding structure. They can be subdivided either horizontally or vertically...

easier to implement, performs worse than a quadtree implementation. They find that as it is, [...] a quadtree data structure seems more adapted than the...

Kirchhoffer; Haricharan Lakshman; et al. "Video Compression Using Nested Quadtree Structures, Leaf Merging and Improved Techniques for Motion Representation...

the cell ID. The ID is usually used as spatial index (such as internal Quadtree or k-d tree), but is also possible to transform ID into a human-readable...

compression efficiency, AVS2 adopts a block partition structure based on the quadtree, including the CU (Coding Unit), PU (Prediction Unit) and TU (Transform...

Mathematics. 26 (2): 235–249. Retrieved 2021-07-22. Popinet, Stéphane (2015). "A quadtree-adaptive multigrid solver for the Serre–Green–Naghdi equations". Journal...