2d Similarity Transformation
OxMath is an open source 2D/3D math library for REALbasic with ubiquitous vector, quaternion, and axis angle classes, plus vector array classes for efficient vertex/triangle storage and batch processing.
The library also includes bounding volume/intersection classes, and waveform "function"...
Platforms: REALbasic 2006r4 or greater
License: Freeware | Size: 71.68 KB | Download (59): OxMath 2D 3D Math Library Download |
This simple code calculates the convex hull of a set of 2D points and generates EPS files to visualise them.
Platforms: Windows, Mac, *nix, Python, BSD Solaris
License: Freeware | Download (52): Finding the convex hull of a set of 2D points Download |
The function implement the 2D dyadic(Paley) ordered fast in-place Walsh-Hadamard transform, which can be used in signal processing, pattern recognition and Genetic alogorithms. This algorithm uses a Cooley-Tukey type signal flow graph and is implemented in N log2 Nadditions and subtractions. Data...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (46): Fast 2D Walsh-Hadamard Transform Download |
This function estimates 2D-2D projective homography between two images using DLT, RANSAC and Lev-Mar optimisation.The format for calling upon the function is as follows:[h wim] = homography(im1, im2);whereim1 -> 1st Imageim2 -> 2nd Imageh -> Returned homography matrixwim -> Warped version of im1...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (46): 2D - 2D Projective Homography (3x3) Estimation Download |
Compute 2D - MultiWall model Usage------ rs_amp = multiwall_model(TXpoint , RXpoint , walls , material , [L0] , [n]); Inputs------- TXpoint Transmitter points (2 x Nt)RXpoint Receiver points (2 x Nr)walls Walls (4 x nwall) where [xi,0 ; yi,0 ; xi,1 ; yi,1] are coordinates of the i'th wall, i =...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (43): 2D Multiwall model Download |
This transformation is non-redundant, approximately shift-invariant and produces oriented filters in 2D and 3D. There is a m-file called 'example.m' which shows how one can use this package.For more information see the following paper:Hosseini, Vafadust : "Almost Perfect Reconstruction Filter...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (43): Non-Redundant Shift-Invariant Complex Wavelet Transform Download |
SoundSim's 2D Elastic Wave Simulator can be used to visualize and explore 2D elastic waves. This release contains SoundSim's 2D Elastic Simulation Core and two sample MATLAB scripts. The first simulates an impulse on the top of a steel block and the resulting elastic waves. The second simulates...
Platforms: Matlab
License: Freeware | Size: 143.36 KB | Download (39): SoundSim 2D Elastic Wave Simulator Download |
This is the iterative 2D Minimum Entropy Deconvolution implemented according to an iterative method in the original paper:R.A. Wiggins, Minimum Entropy Deconvolution, Geoexploration, vol. 16, Elsevier Scientific Publishing, Amsterdam, 1978. pp. 21d-deOCt35.This also works applying the 1D MED when...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (65): Minimum Entropy Deconvolution (MED 1D and 2D) Download |
It performs transformations of geodetic coordinates from one ellipsoid to another using 7 datum parameters. It is also called Helmert 7 parameters transformation or datum transformation (in geodesy and cartography).
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (39): Datum Transformation Download |
This program calculates and plots the photonic bands for a 2D photonic crystal consisting of cylinders with circular cross-section and infinite height, arranged in a triangular lattice; we consider in-plane propagation and two independent polarization states: E-pol and H-pol (E-field and H-field...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (50): Photonic bands for a 2D photonic crystal Download |
Generates random 2D-paths between start and finish nodes according to densities distribution given by matrix C with leg's contrainsts defined by the adjacency matrix I.P = path_generator(start , finish , I , [C] , [K] , [V] , [delta]);Inputs-------start Index of starting points (r x 1) where...
Platforms: Matlab
License: Freeware | Size: 20.48 KB | Download (44): 2D random paths generator integrating leg's contraints Download |
Function calculates cosine cross-similarity between time series of threshold crossings with time lags. It also calculates dominant lag and maximum value.More detailshttp://www.ida.liu.se/~agbur/Software.htm
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (42): Cosine cross-similarity Download |
Function calculates window cross-similarity between time series of threshold crossings for selected window span. Correlation between high temporal resolution records aggregated over time for records of original resolution.More informationhttp://www.ida.liu.se/~agbur/Software.htm
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (44): Window cross-similarity Download |
The 2D / 3D Line Graph provides both a client and server side solution for the incorporation of line graphs and charts into web pages.It provides versatile components so that web authors and Java developers can easily build and publish dynamic and interactive line charts.Both the applet and...
Platforms: PHP
License: Freeware | Size: 358.4 KB | Download (53): 2D 3D Line Graph for Scripts Download |
This PHP script provides a very easy way to embed dynamically generated stacked vertical bar graphs and charts into PHP applications and HTML web pages.The graphing software is very easy to use and it's perfectly possible to add professional quality real time graphing to web pages / applications...
Platforms: PHP
License: Freeware | Size: 952.32 KB | Download (49): 2D / 3D Stacked Vertical Bar Graph for Scripts Download |
This PHP script provides a very easy way to embed dynamically generated vertical bar graphs and charts into PHP applications and HTML web pages.The graphing software is very easy to use and it's perfectly possible to add professional quality real time graphing to web pages / applications within...
Platforms: PHP
License: Freeware | Size: 952.32 KB | Download (50): 2D 3D Vertical Bar Graph for Scripts Download |
The 3D Stacked Horizontal Bar Graph software provides both a client and server side solution for the incorporation of bar graphs and charts into web pages.It provides versatile components so that web authors and Java developers can easily build and publish dynamic and interactive bar charts.Both...
Platforms: PHP
License: Freeware | Size: 389.12 KB | Download (51): 2D 3D Stacked Horizontal Bar Graph for Scripts Download |
2D / 3D Horizontal Bar Graph provides both a client and server side solution for the incorporation of bar graphs and charts into web pages.It provides versatile components so that web authors and Java developers can easily build and publish dynamic and interactive bar charts. Both the applet and...
Platforms: PHP
License: Freeware | Size: 389.12 KB | Download (51): 2D 3D Horizontal Bar Graph for Scripts Download |
This PHP script provides a very easy way to embed dynamically generated vertical bar graphs and charts into PHP applications and HTML web pages.The graphing software is very easy to use and it's perfectly possible to add professional quality real time graphing to web pages / applications within...
Platforms: PHP
License: Freeware | Size: 952.32 KB | Download (49): 2D / 3D Vertical Bar Graph for PHP for Scripts Download |
This PHP script provides a very easy way to embed dynamically generated line graphs and charts into PHP applications and HTML web pages.The graphing software is very easy to use and it's perfectly possible to add professional quality real time graphing to web pages / applications within...
Platforms: PHP
License: Freeware | Size: 952.32 KB | Download (50): 2D / 3D Line Graph for PHP for Scripts Download |