• Set partitioning in hierarchical trees (SPIHT) is an image compression algorithm that exploits the inherent similarities across the subbands in a wavelet...
    1 KB (121 words) - 00:53, 6 December 2024
  • Thumbnail for Binary space partitioning
    In computer science, binary space partitioning (BSP) is a method for space partitioning which recursively subdivides a Euclidean space into two convex...
    27 KB (3,048 words) - 19:07, 1 July 2025
  • In data mining and statistics, hierarchical clustering (also called hierarchical cluster analysis or HCA) is a method of cluster analysis that seeks to...
    27 KB (3,067 words) - 05:29, 10 July 2025
  • Thumbnail for Discrete wavelet transform
    Tabatabai in 1988 (used in JPEG 2000 or JPEG XS ), the Binomial QMF developed by Ali Naci Akansu in 1990, the set partitioning in hierarchical trees (SPIHT)...
    36 KB (5,217 words) - 22:32, 16 July 2025
  • Thumbnail for Wavelet
    wavelet transform (1993), and set partitioning in hierarchical trees (SPIHT) developed by Amir Said with William A. Pearlman in 1996. The JPEG 2000 standard...
    52 KB (7,062 words) - 16:00, 28 June 2025
  • Recursively partitioning space using planes in this way produces a BSP tree, one of the most common forms of space partitioning. Space partitioning is particularly...
    6 KB (1,001 words) - 10:32, 3 December 2024
  • Thumbnail for Tree (abstract data type)
    In computer science, a tree is a widely used abstract data type that represents a hierarchical tree structure with a set of connected nodes. Each node...
    17 KB (2,207 words) - 10:40, 22 May 2025
  • Thumbnail for Wavelet transform
    using wavelets instead of a short-time Fourier transform Set partitioning in hierarchical trees Short-time Fourier transform Stationary wavelet transform...
    28 KB (3,993 words) - 15:23, 21 July 2025
  • Thumbnail for K-d tree
    to k-d trees. In computer science, a k-d tree (short for k-dimensional tree) is a space-partitioning data structure for organizing points in a k-dimensional...
    28 KB (3,770 words) - 11:20, 14 October 2024
  • compression: method used to compress images using fractals Set Partitioning in Hierarchical Trees (SPIHT) Wavelet compression: form of data compression well...
    72 KB (7,951 words) - 17:13, 5 June 2025
  • volume hierarchy (BVH) is a tree structure on a set of geometric objects. All geometric objects, which form the leaf nodes of the tree, are wrapped in bounding...
    19 KB (2,401 words) - 20:21, 15 May 2025
  • Thumbnail for Quadtree
    Quadtree (redirect from Quad tree)
    a quadtree by Raphael Finkel and J.L. Bentley in 1974. A similar partitioning is also known as a Q-tree. All forms of quadtrees share some common features:...
    34 KB (4,786 words) - 00:29, 19 July 2025
  • interval hierarchy (BIH) is a partitioning data structure similar to that of bounding volume hierarchies or kd-trees. Bounding interval hierarchies can be...
    8 KB (1,107 words) - 21:27, 31 March 2025
  • class labels. Decision trees where the target variable can take continuous values (typically real numbers) are called regression trees. More generally, the...
    47 KB (6,542 words) - 15:35, 9 July 2025
  • In mathematics, a graph partition is the reduction of a graph to a smaller graph by partitioning its set of nodes into mutually exclusive groups. Edges...
    25 KB (2,979 words) - 01:25, 19 June 2025
  • Thumbnail for Scene graph
    Scene graph (category Articles lacking in-text citations from December 2014)
    considerations. In 3D video games such as Quake, binary space partitioning (BSP) trees are heavily favored to minimize visibility tests. BSP trees, however,...
    16 KB (2,230 words) - 22:28, 10 March 2025
  • Embedded zerotrees of wavelet transforms (category Trees (data structures))
    N=negative, T=ZeroTree, IZ=Izolated zero) S = subordinate pass; (R = back reconstructed value) Set partitioning in hierarchical trees (SPIHT) J.M. Shapiro...
    12 KB (1,780 words) - 23:55, 5 December 2024
  • Thumbnail for Cluster analysis
    at partitioning a set of objects into groups such that objects within the same group (called a cluster) exhibit greater similarity to one another (in some...
    75 KB (9,510 words) - 17:19, 16 July 2025
  • Rose tree These are data structures used for space partitioning or binary space partitioning. Segment tree Interval tree Range tree Bin K-d tree Implicit...
    9 KB (914 words) - 05:55, 20 March 2025
  • k-medoids is a classical partitioning technique of clustering that splits the data set of n objects into k clusters, where the number k of clusters assumed...
    17 KB (1,907 words) - 04:24, 15 July 2025
  • Thumbnail for Discrete global grid
    Mathematically it is a space partitioning: it consists of a set of non-empty regions that form a partition of the Earth's surface. In a usual grid-modeling strategy...
    43 KB (3,199 words) - 03:26, 5 May 2025
  • 1993. Classification Trees in terms of the Classification Tree Method must not be confused with decision trees. The classification tree method consists of...
    23 KB (2,339 words) - 03:32, 10 October 2023
  • difficult to use, as it will usually produce a hierarchical clustering instead of the simple data partitioning that DBSCAN produces. Recently, one of the...
    29 KB (3,492 words) - 22:56, 19 June 2025
  • Thumbnail for Set theory
    of treating sets as their own objects has existed since at least the Tree of Porphyry in 3rd-century AD. The simplicity and ubiquity of sets makes it hard...
    54 KB (6,586 words) - 11:37, 29 June 2025
  • Thumbnail for R-tree
    subtree. In this way, most of the nodes in the tree are never read during a search. Like B-trees, R-trees are suitable for large data sets and databases...
    23 KB (2,966 words) - 21:58, 20 July 2025
  • Thumbnail for Minimum spanning tree
    then only the (multi-)set of weights in minimum spanning trees is certain to be unique; it is the same for all minimum spanning trees. If the weights are...
    44 KB (5,460 words) - 15:05, 21 June 2025
  • random partitions to be isolated, compared to normal points. Recursive partitioning can be represented by a tree structure named Isolation Tree, while...
    37 KB (4,553 words) - 03:02, 16 June 2025
  • super cluster splitting with relatively high speed. Unlike partitioning and hierarchical methods, density-based clustering algorithms are able to find...
    13 KB (1,620 words) - 19:36, 21 July 2025
  • Thumbnail for Treemapping
    Treemapping (redirect from Tree mapping)
    rectangles. Treemaps display hierarchical (tree-structured) data as a set of nested rectangles. Each branch of the tree is given a rectangle, which is...
    22 KB (2,184 words) - 15:36, 8 March 2025
  • networks are highly hierarchical. Some intersections, for example highway junctions, are "more important" and higher up in the hierarchy than for example...
    27 KB (3,442 words) - 20:23, 23 March 2025