Area Calculation of 8 Direction Chain Code by Daniel Bromand

This code sample computes the Area bounded within a 8 direction chain code. (area, calculation, direction)

Area_Calc_Of_8_Dir_Chain_Code.m

Coordinates Scanning by Michael Chan

The objective is to demonstrate some coordinates tracing tools. (image, coordinates, navigation)

detectCornerEdge (area, coordinates)

directionOfPixelRelativeToReferencePixel(positionOriginal, ...

directionOfPixelRelativeToReferencePixel_1pixelAway(positio...

ocean_rose by Cameron Sparr

This is a simple script that takes in earth coordinate angle measures and makes a 'rose' plot. (oceanography, wind, meteorology)

ocean_rose(D, nbins, varargin)

Splitting Signals by Michael Chan

Illustrates Professor Grigoryan's split signals (2D image) and tensor representations. (image processing, fast, transform)

A=correct_image(A);

B=ft_pst(A,p,s)

PSNR(A,B)

Wind_rose by M MA

Wind rose of direction and intensity (direction, wind rose, plotting)

wind_rose(D,F,varargin)

mixture of rem and mod by Andr?

mod(x,180) will for any x return the same direction (right sign) but between -90 and +90 (rem, mod, angle)

[x]=remod(a,f);

Arrowhead by Florian Knorn

arrowh draws a solid 2D arrow head into the current plot. (annotation, head, arrow)

arrowh(x,y,clr,ArSize,Where)

Basic co-occurence by Patrice

Calculates the co-occurence matrix (image analysis, cooccurrence, gray scale)

y=cooc(I, dx,dy,gl);

Cooccurrence matrix by Baran Aydogan

Calculates cooccurrence matrix for a given direction and distance (cooccurrence, features haralick, gray scale)

cooccurrence (input, dir, dist, symmetric);

PCAANGLE by Jøger Hansegård

Estimate the direction of the major axis of two dimensional point data. (linear algebra, angle, direction)

pcaangle(x, y, plotoption)

DARROW by Mukhtar Ullah

draw arrows at specified point in spefied directions (annotation, customization, arrow)

darrow(xi,yi,u,v,s)

DIRECTEDPLOT by Mukhtar Ullah

plot_dir improved and extended to handle matrices. (specialized, plotting, plot)

directedplot(x,y,d,varargin)

varea.m by Kang Zhao

Compute the area and judge the direction of a closed curve. (data exploration, area, direction)

area=varea(C)

clockwise.m by Kang Zhao

Judging the direction of a closed curve by provided coordinates of node. (data exploration, direction, clockwise)

n_clock=clockwise(P)