Risposto
Why should I stay?
you don't have to do anything, especially in reaction to what you see as another person's or group's shortcomings. Weight the pe...

circa 14 anni fa | 0

Risposto
fftshift in frequency filtering
I would imagine that you could directly apply low pass, but I don't really know. This is an interesting question. What happened ...

circa 14 anni fa | 0

Risposto
How to save/access an axes's properties using the handles structure?
I made a script which uses set(gca,'property','value','property2','value2') and changes the default plot to look nicer. ...

circa 14 anni fa | 0

| accettato

Risposto
Superpose images at the same place of contours of regions
take the left image and do bw = bwlabel(left); then you can just take a look at the right image by segment, i.e. i...

circa 14 anni fa | 0

Risposto
Managing multiple figures in a GUI
just don't make the large on active and change stuff on it using its handle and set()

circa 14 anni fa | 0

Risposto
Several Line Appearing as on check in plot browser
mmm if you have a list of the points try making a single vector separated by Nan, which won't plot. x=[p1;p2;NaN;p3;p4...

circa 14 anni fa | 0

Risposto
Optimizing the 'drawnow' function for an oscillating circle
throw a pause(0.02) in the while loop after the drawnow

circa 14 anni fa | 0

Risposto
how to extend line of image
if... x1=1,x2=2 and... y1=1,y2=5 (2,5)-(1,1)=m=(1,4), is your slope so m1=1,m2=4 try plot([x1 x2]+1e6*[-m1 m1],...

circa 14 anni fa | 0

Risposto
Concatenate arrays
it makes it '3d'

circa 14 anni fa | 0

| accettato

Risposto
Detecting shapes-lsm format?
try looking at hist(i,100) and picking out a threshold manually. somewhere to the right of the big background spike on the left....

circa 14 anni fa | 0

Risposto
so I'm making a videogame
y=get(h,'ydata'); x=get(h,'xdata'); hy = hypot(ye-y,xe-x)<8; set(e(hy),'visib...

circa 14 anni fa | 0

Domanda

so I'm making a videogame
I have a vector of enemy handles so that I can assign visibility to certain enemies and not others, but once I update all of the...

circa 14 anni fa | 3 risposte | 0

3

risposte

Risposto
Need help creating a matrix that updates based on input to a GUI
what if you did this: matrix = [matrix; (button input)]; so m = [1 2 3] would go to m = [1 2 3; 4 5 6] with [4 5 6...

circa 14 anni fa | 1

| accettato

Domanda

line of sight
is there a nice way to get the line of sight from one pixel to the remaining pixels in an image? like if I had a binary image of...

circa 14 anni fa | 1 risposta | 0

1

risposta

Risposto
Making some intensity values of image to zero
if your image is 'a', try a(a>threshold)=0; or try max(a,threshold); which makes the values equal to your thre...

circa 14 anni fa | 1

| accettato

Risposto
what is subpixel
sometimes for tracking purposes, an object will be smaller than the pixel size of the image, but it will still affect the intens...

circa 14 anni fa | 0

Risposto
how to improve PSNR of an compressed image?
so, you lose psnr after compression? mmmm, i don't know about this topic but can you try doing a fft before the compression and ...

circa 14 anni fa | 0

Risposto
Random Number Generator, lower numbers have higher chance
just create the distribution n=1:20; dist = []; for t=1:20 dist = [dist, n(t) * ones(1, round( 20/n(t) ...

circa 14 anni fa | 0

Domanda

specifying the handle as you plot
if I try to plot the following: plot(0.5,0.5) Is there any way to specify what handle the object will have while using ...

circa 14 anni fa | 2 risposte | 0

2

risposte

Risposto
watershed I have an image with contours but this ALgorithme don't output a good result, if someone has a good solution please , i need your help
watershed hates noise, so you might want to smooth the image first if that's the problem

circa 14 anni fa | 0

Risposto
removing unwanted pixels
load the image and make it so black==0 and white==1, then... Words = imclearborder(~IMG) if you want to crop it, you ca...

circa 14 anni fa | 0

Risposto
how write a matlab code for adaptive thersholding
that depends on a lot of things, but you could try using im2col to analyze your image in discrete blocks and apply whatever func...

circa 14 anni fa | 0

Risposto
Plotting my own data in a matlab figure.
I'm kind of confused here. you have a 3d plot with 2-d data? can you just set the third vector as zeros and use hold to plot it ...

circa 14 anni fa | 0

| accettato

Risposto
Image processing
yeah, use Euler's method and just subtract one from another and search the zeros or, as the guy above said, add a tolerance leve...

circa 14 anni fa | 0

Risposto
adaptive filtering by using uncorrelativity feature
you can get the signal mean to zero by subtracting the original mean. then divide by the variance, to make the variance effectiv...

circa 14 anni fa | 0

Problema

Let's do Markov Chains!
<http://en.wikipedia.org/wiki/Markov_chain Markov Chains> are really useful in a lot of fields. This problem will ask a question...

circa 14 anni fa | 1 | 16 risolutori

Problema

Make an awesome ramp for a tiny motorcycle stuntman
Okay, given a vector, say v=[1 3 6 9 11], turn it into a matrix 'ramp' like so: m=[1 3 6 9 11; 3 6 9 11 0; 6 9 ...

circa 14 anni fa | 6 | 764 risolutori

Risolto

Find the two most distant points
Given a collection of points, return the indices of the rows that contain the two points most distant from one another. The inpu...

circa 14 anni fa

Risolto

Make an awesome ramp for a tiny motorcycle stuntman
Okay, given a vector, say v=[1 3 6 9 11], turn it into a matrix 'ramp' like so: m=[1 3 6 9 11; 3 6 9 11 0; 6 9 ...

circa 14 anni fa

Risolto

N-Queens Checker
Picture a chessboard populated with a number of queens (i.e. pieces that can move like a queen in chess). The board is a matrix,...

circa 14 anni fa