Search Results for "spatial" - Page 9
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Showing 279 open source projects for "spatial"
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The Java RTree project aims to maintain an Java version of the RTree spatial indexing algorithm. See http://jsi.sourceforge.net for more information, and http://github.com/aled/jsi for latest development code.
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dsegen
Hierarchical Image Segmentation
A hierarchical image segmentation is a set of several image segmentations at different levels of segmentation detail in which the segmentations at coarser levels of detail can be produced from simple merges of regions from segmentations at finer levels of detail. A unique feature of hierarchical image segmentation is the the segmented region boundaries are maintained at the full image spatial resolution at all levels of segmentation detail in the hierarchy. Maintaining region boundaries at full image spatial resolution avoids compounding the "mixed pixel" problem which adversely impacts other multiresolution segmentation schemes in which the coarser resolution segmentations are produced from spatially degraded versions of the imagery data. -
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partitioning
The role of spatial partitioning in biochemical signaling.
This site hosts code investigating the role of spatial partitioning in biochemical signaling. We consider a network motif that is ubiquitous in membrane signaling. We numerically implement the exact solution to a stochastic model of the motif. We also simulate diffusion and reactions of molecules explicitly on a two-dimensional lattice. -
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The C# RTree project aims to maintain a C# version of the RTree spatial indexing algorithm. Ported from https://sourceforge.net/projects/jsi
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A simple image manipulation program. Provide image manipulation functions: image scaling, contrast stretching, histogram equalization, spatial convolution, etc.
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PercolaLand
PercolaLand 1.0 A tool to calculate landscapes percolation probability
PercolaLand software is a result implementing of new structural metric used to calculate percolation probability in binary landscapes. Much of the progress in spatial patterns and structure changes understanding have supported in percolation theory. Percolation theory aims to evaluate how connectivity is broken into spatially structured systems or quantifies the connectivity structure. Connectivity in this case refers spatial continuity of arrangements habitat areas. There are not a currently tools available to calculate percolation indices in landscapes files ascii.txt. ... -
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URDME is an efficent implementation of the next subvolume method (and other spatial stochastic algorithms) adapted to simulate the reaction-diffusion master equation on unstructured meshes.
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Processor Enhanced Recursive Dynamics
Processor Enhanced Robust Core Solver for Recursive Multibody Dynamics
Develop an efficient and robust recursive core evaluator and solver for large-scale constrained multibody dynamics, providing general-purpose capability with special-purpose performance. Processors embed model detail into runtime algorithms, minimizing rediscovery operations. Spatial algebra organizes and simplifies recursive algorithms. Gaussian Elimination with Complete Pivoting converts constraint Jacobian matrices and equations into Row-Reduced Echelon Form and partitions variables into Dependent/Independent sets. The constrained equations of motion are effectively converted from DAE to ODE form, allowing simple robust sparse factor and solve algorithms. ... -
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db4o-sp
Spatial extension for db4o.
Master's Project: Object Database Spatial Extension. API based on SQL/MM Spatial. Full technical report is available in download section. -
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Ash C++ Template Library (AshTL)
Hashing and spatial concurrency library.
AshTL aims to provide a complete framework for dealing with spatial data in an efficient, parallel manner. As such, we primarily provide container classes and data types relating to 2D and 3D coordinate grids. AshTL is currently in alpha development (some features may not work correctly, and interfaces are likely to change). While in alpha and beta development, AshTL is licensed under AGPL v3+. -
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Planar Graph Generator
Planar graph generator based on Voronoi diagrams
...An output graph is a JUNG graph object (see: https://sourceforge.net/projects/jung/). Be aware that the tool was not optimized neither for exceptions/errors handling nor for time/spatial complexity. The code has been poorly commented (I'm lazy) . -
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ANDS SISS (DC4B) Project
GIS-Enabled Infrastructure for Spatially Integrated Social Science
An on-line GIS-enabled infrastructure for spatially integrated social science. A web-based open source e-research facility for social-spatial data analysis that incorporates GIS-enabled visualisation (mapping and classification) and statistical modelling capabilities. -
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Mapnik is an OpenSource C++/Python toolkit for developing GIS (Geographic Information Systems) applications. At the core is a C++ shared library providing algorithms/patterns for spatial data access and visualization.
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Global Epidemic Simulator
A platform for modelling influenza-like epidemics and containment
The Global Epidemic Simulator is a platform for modelling directly transmissible human diseases such as influenza, and testing intervention policies that may reduce the duration or severity of an outbreak of such a disease. Building on previous work, this model is spatial and individual-based, using various geographical and demographic data sources to place households at absolute locations, populated with individuals of specific ages who each attend schools or workplaces situated in their vicinity. The significant advance of this project over previous work is the global nature of simulation, the memory and performance requirements of which motivate us towards a multi-core, multi-computer solution. -
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rebind
Lattice simulation of biochemical reactions and diffusion
This site hosts code investigating the role of spatial heterogeneity in biochemical signaling. Motivated by several biological examples, we study the behavior of covalent modification networks when the activating component is localized to a planar membrane in either a random or clustered configuration. Reactions and diffusion are implemented on a three-dimensional lattice. -
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SpatialWiki is an extension to MediaWiki that adds spatial references to a separate geospatial database and displays maps in Wiki pages.
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Java Matrix object. Thread safe with deadlock avoidance. Matrix Multiply, Add, Subtract, Cross product, Dot Product, norm, normalize, angle between vectors and MANY data manipulation functions. This would make a great graphics addin...
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This application performs digital image forgery detection through data embedding in spatial domain and cellular automata. Input images should be grayscale at any size. It generates PNG format as a output image. Developed by Mohammad V. Malakooti.
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This application performs digital image forgery detection through data embedding in spatial domain and cellular automata. Input images should be grayscale at any size. It developed by Ahmad Pahlavan Tafti, Mohammad V. Malakooti and Mohsen Ashourian.
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PyExPsiN is a Python crossplatform (Linux/Windows) module for made easy writing psychological experiments. Right now includes functions for DMTS (Delayed Matching to Sample), N-Back, Spatial N-Back, "Grammatical", Mixed Dots, Stroop, and more.
