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

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

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