Geodetic Transformations Toolbox by Peter Wasmeier

Set of tools for transformation used in geodesy, especially when using GPS or mapping (cartesian coordinates, helmert, gps)

CART=ell2cart(ELL,ellips,FileOut)

ELL=cart2ell(CART,ellips,FileOut)

ELL=lambertcc2ell(PRO,sys,UND,FileOut)

Rotate an image about a point by Jan Motl

Performs rotation of an image about any point inside of the image. (image processing, rotation, image)

output=rotateAround(image, pointY, pointX, angle, varargin)

rotateAround_test.m

Local Binary Patterns transformation of the input image by Olegs Nikisins

This function performs a Local Binary Patterns transformation for the input image (face recognition, lbp, image processing)

LBP(Input_Im, R)

Spherical To Azimuthal Equidistant by Kurt

Convert from spherical coordinates to azimuthal equidistant coordinates. (spatial, sphere, geometry)

AreBadValues(A)

Spherical2AzimuthalEquidistant(latsInDegrees, ...

ABC to ALPHA-BEETA to DQ and DQ to ALPHA-BEETA to ABCconvertion by Siva Malla

abc to abc conversion by using Park and Clark transformation (beeta, alpha, abc)

abc_al_be_dq_al_be_abs

ABC to ALPHA-BEETA to DQ convertion by Siva Malla

abc to dq conversion by using Park and Clark transformation (abc, alpha, dq)

abc_al_be_dq

Perspective Control/ Correction by Michael Chan

The objective is to give a simple demonstration on perspective control using 4 corners of a plane. (image processing, perspective, control)

Get4Points( corner_coordinates )

fast_corner_detect_9(im, threshold)

sortCoordinatesAccordToX( coordinates )

fminsearchbnd, fminsearchcon by John D'Errico

Bound constrained optimization using fminsearch (bound constrained, fminsearch, constraint)

fminsearchbnd_demo

fminsearchcon_demo

[x,fval,exitflag,output]=fminsearchcon(fun,x0,LB,UB,A,b,non...

wgs2utm (version 2) by Alexandre Schimel

Convert WGS84 coordinates (Latitude, Longitude) into UTM coordinates (northing, easting). (wgs, wgs84, utm)

wgs2utm(Lat,Lon,utmzone,utmhemi)

Transformations by Krishna Lalith

Identify Sequential Transformations from figure "X" to "Y". (transformation, translation, rotation)

Check_Order(Order)

Transformations(action)

[ngon,pref]=Transgon(ngon,Pattern)

Picture Transformation Finder by Alexander Wallar

This function finds the transformation matrix of two images. (computer vision, parallel computation, parallel)

picTransformation(pic1, pic2)

NF2FF by Van Caekenberghe, K.

Near-Field to Far-Field Transformation for Antenna Measurements (transformation, antenna measurements, far field)

Agilent8720ES.m

[Etheta_compensated,Ephi_compensated]=ProbeCorrection(Ethet...

[IM_unwrapped, rowref, colref]=FloodFill(IM_phase, branch_c...

Quaternion Transformation by Isuru kumarasiri

Animation of a cube in Quaternion Transformation (quaternion, transformation, cube)

Quati(vec,pnt);

Transform Points by James West

transform 3d points from one reference frame to another (transformation, 3d, vector)

fcn_transformPoints(tr1, tr2, points)

Algebraic Manipulation of Random Variables (Numerical) by Aaron Swan

Numerically approximate the PDF of a combination of the random variables X and Y. (probability, cdf, pdf)

transRV(jointXY,C,opp,n,varargin)

estimateRigidTransform by Babak Taati

estimate the rigid transformation between two sets of 3D point clouds, given a set of point matches (3d, rigid, rigid transformation)

crossTimesMatrix(V)

estimateRigidTransform(x, y)

quat2rot(Q)

Multiple matrix multiplications, with array expansion enabled by Paolo de Leva

Multiplying matrices, vectors, or scalars contained in two N-D arrays, with array expansion enabled. (arraylab, singleton expansion, vector)

arraylab13(a,b,d1,d2)

arraylab131(a,b,d1,d2)

arraylab132(a,b,d1,d2)

Near-Field to Far-Field Transformation by Chris

This adaption of the awesome NF2FF script takes plain text data sets as its input. (antenna measurements, far field, near field)

NF2FF_textip.m

NF2FF_tip_clean.m

Click3dPoint by Babak Taati

Select a point from a 3D point cloud by clicking on it. (point cloud, 3d, callbak)

callbackClickA3DPoint(src, eventData, pointCloud)

clickA3DPoint(pointCloud)

rowNorm(A)

Transform a 3d volume by using an affine transformation matrix by Martijn Steenwijk

This function transforms a volume by using an affine transformation matrix. (3d, volume, affine)

affine3d(old_im, M, range_x, range_y, range_z, method)

Global to Local Coordinate Transformation Matrix by Paulo J. Paupitz Goncalves

T = trans_matrix_beam3d(x0,y0,z0,x1,y1,z1,alpha) (transformation, coordinate, global)

trans_matrix_beam3d(varargin)

image3 by Anders Brun

Renders a 2-D image in 3-D space using a texture mapped rectangle, with several examples of uses. (box, image, texture mapping)

demo

box3(vol, I2X, bbox)

image3(im,ij2xyz,handle)

Geographic to UTM coordinates. GUI. "UTeMization" by Alberto Avila Armella

Complete and easy to use GUI for converting Geographic to UTM coordinates. Single- and multi-point (conversion, coordinates, transformation)

utemization.m

Defining Cartesian Reference Frames based on Point Positions by Paolo de Leva

Versatile algorithm defining Cartesian reference frames based on the positions of at least 3 points (mechanical modeling, cartesian coordinate ..., reference frame)

ARF(P, segname, side, varargin)

footBAF(HEEL, MET1, MET5, MET2, side, varargin)

frame(a, b, axis1, c, axis2, dim)

Legendre Transformation of a one variable function by Miguel D. B.

Given a function F and a vector x, returns two vectors of numbers xx=F'(x) and yy=F(x)-x*xx (numerical approximati..., legendre, function)

[xx,yy,y]=legendretrans01(F,x,h,varargin)

Box-Cox power transformation for Linear Models by Hovav Dror

A utility helping finding lamda to transform y-->y^lamda to best fit multiple linear regression ... (boxcox, statistics, probability)

[LambdaHat,LambdaInterval]=boxcoxlm(y,X,PlotLogLike,LambdaV...

Transform Tensor by Peter Graat

Transformation of a 3D-tensor of any order to another coordinate system. (tensor, vector, chemistry)

transform(itr,tmx)

Integer order Hankel transform by Manuel Guizar

This routine implements Hankel transforms of integer order based on a Fourier-Bessel series. (transforms, hankel, transform)

Hankel_transform.m

Scale by Giampiero Campa

Linear scaling. (simulink, linear, affine)

scale

leafarea by Qian Wang

leaf area estimation (image analysis, leafarea, estimation)

leafarea(varargin)

addtxaxis by Francois Bouffard

Adds a top x-axis with arbitrary scale (annotation, customization, double)

addtxaxis(ah,transform,ticks,txlabel,ticklabels);

BWT encoder and decoder by Imran Akthar

bwtenc bwtdec (transforms, burrows wheeler trans..., bwtenc)

bwtdec

bwtenc

README.m

haarmtx by Frédéric Chanal

Compute a n*n Haar matrix. (haar, wavelet, audio processing)

H=haarmtx(n)

Procrustes Problem by Erik Larsen

Apply orthogonal transformation to a matrix. (linear algebra, procrustes, orthogonal)

procrust( A, B )

Box-Cox Transformation by Alexandros Leontitsis

Makes the Box-Cox transformation of a data set (statistics, probability, boxcox transformation)

v=boxcox(x,lamda,xdot)