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Tag: compression

June 15, 2010

Region Quadtrees in C++

(Original image by GoAwayStupidAI). Below are four C++ implementations of the region quadtree (the kind used for image compression, for example). The different implementations…

May 12, 2010

Catching Common Image Processing Programming Errors with Generic Unit Tests

When implementing image algorithms, I am prone to make these mistakes: swapping x and y; working on the wrong channel; making off-by-one errors, especially…

November 15, 2008

Quadtrees

The code below implements some quadtree extensions, as discussed in another Dev.Mag tutorial about quadtrees (see Issue 27). The tutorial covers the following topics:…

October 29, 2008

Force Field Editor v1.0

Vector fields are used in certain AI and simulation techniques. The tool below allows you to paint a vector field. These files can be…

October 6, 2008

Quadtrees

The quadtree is an important 2D data structure and forms the core of many spatial algorithms, including compression, collision detection, and stitching algorithms. Below…

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Perlin noise 2D probability discrete calculus functional equations compression Simulation random number generation white noise tiles procedural texture filtering level editor quadtree Game Development blending response curve maintainability game tools z-transform Image Processing artificial intelligence sum Mathematics optimisation quadtrees C++ random distribution Dev.Mag functional equation sampling random vector field Python AI Game Maker algorithm spatial partitioning computer graphics grids image partitioning distribution function editor difference equation Special Numbers Library

Categories

  • Algorithms (25)
  • C++ (3)
  • Downloads (13)
  • Game Development (18)
  • Games (1)
  • Image Processing (11)
  • Java (2)
  • Mathematics (11)
  • Python (6)
  • Simulation (5)
  • Snippet (8)
  • Tools (4)
  • Tutorial (9)
  • Web Development (1)

Blogroll

  • Dev.Mag

Tag cloud

random distribution vector field sum grids filtering image partitioning discrete calculus Simulation Game Development functional equations Game Maker Python level editor computer graphics Perlin noise random artificial intelligence maintainability Special Numbers Library 2D spatial partitioning sampling compression editor Image Processing difference equation quadtree probability tiles Mathematics algorithm Dev.Mag quadtrees white noise AI C++ distribution function game tools optimisation response curve z-transform functional equation procedural texture blending random number generation
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