Answered
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...

7 years ago | 0

Answered
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 ...

7 years ago | 0

Answered
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. ...

7 years ago | 0

| accepted

Answered
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...

7 years ago | 0

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

7 years ago | 0

Answered
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...

7 years ago | 0

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

7 years ago | 0

Answered
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],...

7 years ago | 0

Answered
Concatenate arrays
it makes it '3d'

7 years ago | 0

| accepted

Answered
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....

7 years ago | 0

Answered
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...

7 years ago | 0

Question


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...

7 years ago | 3 answers | 0

3

answers

Answered
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...

7 years ago | 1

| accepted

Question


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...

7 years ago | 1 answer | 0

1

answer

Answered
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...

7 years ago | 1

| accepted

Answered
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...

7 years ago | 0

Answered
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 ...

7 years ago | 0

Answered
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) ...

7 years ago | 0

Question


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 ...

7 years ago | 2 answers | 0

2

answers

Answered
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

7 years ago | 0

Answered
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...

7 years ago | 0

Answered
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...

7 years ago | 0

Answered
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 ...

7 years ago | 0

| accepted

Answered
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...

7 years ago | 0

Answered
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...

7 years ago | 0

Problem


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...

7 years ago | 0

Problem


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 ...

7 years ago | 3

Solved


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...

7 years ago

Solved


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 ...

7 years ago

Solved


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,...

7 years ago

Load more