Matrices An
This implementation includes modules for very fast loading and saving of n-dimensional, possibly colored and bulky point clouds. The proposed functions can also be used to load and save matrices in ASCII format.USAGE-------cload -------> loads point clouds from ASCII-files. (Function definitions...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (39): VERY FAST LOADING OF BULKY POINT CLOUDS AND MATRICES IN ASCII FORMAT Download |
HOUGHCIRCLES detects multiple disks (coins) in an image using Hough Transform. The image contains separating, touching, or overlapping disks whose centers may be in or out of the image.Syntax houghcircles(im, minR, maxR); houghcircles(im, minR, maxR, thresh); houghcircles(im, minR, maxR, thresh,...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (51): Detects multiple disks (coins) in an image using Hough Transform Download |
AB_MBA_SHOW visualize 2x2 matrices A and B, they satisfy AB = -BA.You can fin this problem in Introduction to Linear Algebra 4th ed. by Gilbert Strang. Chapter 2, Section 4, Rules for Matrix Operations, p.78, Problem 22.This visualiser contains all the AB = -BA, A and B are 2x2 matrix with the...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (39): AB = -BA matrices viewer Download |
COMPUTES STATISTICAL MEASURES OF TEXTURE IN AN IMAGELIKE CONTRAST,CORRELATION, ENERGY & HOMOGENEITY
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (39): STATISTICAL MEASURES OF TEXTURE IN AN IMAGE Download |
User can callibrate an image to get the conversion factor fro transforming pixels values on the image to real world distances. The function takes greyscale image as input. After that it a prompt asks the user to enter the callibration scale in cm. The user then clicks on any point on the image...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (47): Callibrating an image Download |
Reconstruct an image from parallel projection data using the convolution-backprojection algorithmfunction [img,H] = CTrecon(prj,varargin)for a discussion of this function including examples see: http://aprendtech.com/wordpress/?p=74Mathworks has created a workaround to fix the offset problem in...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 225.28 KB | Download (48): CTrecon-an improved parallel data image reconstruct function Download |
PlotAS Linear plot of an arrays of structures This function is used to plot arrays of structures, like those recieved from shaperead. It will autorecognize some common coordinate field names. The user may also specify their own. It will take in all the LineSpec and PropertyName/PropertyValue...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (43): Plot an Array of Structures Download |
Plotting an arrow in axis coordinate space can be difficult, since Matlab's built-in arrow function works in figure coordinate space. This function does the axis-to-figure coordinate calculation and places an annotation arrow in the correct location. It also provides a button-down function to...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (40): line2arrow: Add an arrowhead to a plotted line Download |
UNINIT is very similar to the ZEROS function, except that UNINIT returns an uninitialized array instead of a zero-filled array. Thus, UNINIT is faster than the ZEROS function for large size arrays. Since the return variable is uninitialized, the user must take care to assign values to the...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (49): UNINIT - Create an uninitialized variable (like ZEROS but faster) Download |
This is a simple code to extract data from an existing matlab 2D or 3D figure.
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (41): Extract data from an existing .fig file Download |
In this archive there are just some simple functions about matrices, expecially to be used with the program perteig.m called "Trajectories of eigenvalues" you can find among the file by the same author in the file exchange.-impdataimpdata.mscripts that imports the matrices A and B written in the...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (40): Matrices program with a script for eigenvalues perturbations Download |
This code demonstrates vectorization concepts from a report by Talal Rahman and Jan ValdmanonFast MATLAB assembly of FEM matrices in 2D and 3D: nodal elementsTechnical report is available athttp://www.mis.mpg.de/publications/other-s...eport-1111.htmlTo run the code, call"start_assembly_P1_3D"...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 30.72 KB | Download (44): Fast assembly of stiffness and matrices in finite element method Download |
This program performs arithmatic operations +, -, * and / on an image voxel by voxel. It takes in offset to let users select the region toiterate. It is useful for image analysis and processing when more control is needed than using Matlab meshgrid function. This is a part of InSPIREsoftware...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (38): InSPIRE utility to iterate each voxel and perform an operation Download |
This is an OFDM simulation that gives you the PAPR, BER, and the PSD before and after the SSPA.This simulation will ask you about the parameters to simulate them: length of OFDM symbol (N), upsampling factor (k), number of input bits (n) to generate the OFDM symbols from them, and the phase...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (40): Simulation of an OFDM system with the PSD Download |
ADDBORDER draws a border around an image.NEWIMG = ADDBORDER(IMG, T, C, S) adds a border to the image IMG with thickness T, in pixels. C specifies the color, and should match the color format of the image (e.g., RGB or indexed). STROKE is a string indicating the position of the border:'inner' -...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (39): Draw a border around an image Download |
It do the analyse for an inverter connected to a network.All matrices for the state-space are calculating and drawing.
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (43): Robust Stability Analasys Download |
This is an addition to D. Kroon's OpenNI/NITE wrapper for interfacing with Kinect.e.g. use:XYZ = rand(10, 3);xy = mxNiRealWorld2Pixel(KinectHandles, XYZ);
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (45): mxNiRealWorld2Pixel (an addition to the Kinect/OpenNI/NITE wrapper of D.Kroon)) Download |
Note that this function do not return EIGEN VECTORS.This function is faster than looping on EIG when eigenvalues must be computed for a large number of matrices. The test shows it can speed up by 10 times
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (49): Multiple eigen-values for 2x2 and 3x3 matrices Download |
REFRAME(I,R,B) applies PADARRAY to subregion, R, returning an image with the dimensions of image, I.This function is meant to work with the MatLab image toolbox function REGIONPROPS and expects the following inputs, I is the original image supplied to REGIONPROPS R is a label region 'image'...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (39): Pad an image subregion, restoring it's original spatial context Download |
Normalizes N-D vectors provided either in one matrix, or as multiple component matrices.NORMVEC normalize vector(s). NORMVEC computes the unit vectors in the direction of the vectors provided. It can process two types of arguments: 1) single matrix of vectors 2) multiple matrices of vector...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (45): Normalize N-D Vectors in Single Matrix or N Component Matrices Download |