Risposto
identifying positions of a string within a text file
Lots of ways. This one uses regular expressions: mystr = 'line $$ 1 $$ line 2' newstr = regexprep(mystr,'\$\$','New_Stri...

quasi 15 anni fa | 0

Risposto
over lap image onto another image??
Consider: a = magic(7) b = rand(2,3) a(3:4,4:6) = b % Or, more generally,: startrow = 3; startcol = 4; ...

quasi 15 anni fa | 0

| accettato

Risposto
Image Processing (related to image comparison)
Once you've segmented your regions of corrosion, the function REGIONPROPS will be quite useful!

quasi 15 anni fa | 0

Risposto
Issue with fractional step-sizes
y(1) refers to the first element of y. y(2) is its second element. What does y(1.5) refer to? Your problem is in your use of ...

quasi 15 anni fa | 1

Risposto
Segmenting using X-Y co-ordinate axis
XY coordinates are non-standard (in MATLAB) for displaying images. But non-standard doesn't mean "not doable." Using the AXIS XY...

quasi 15 anni fa | 0

Risposto
to plot different graph in a single window
If you want to plot IC vs VCE _and_ IB, you might want to consider using PLOT3 or SURF. Or some other 3D visualizer. Brett

quasi 15 anni fa | 0

Risposto
How do I increase the speed of a line plot?
Daniel, Withoug seeing your code, it's difficult to guess what's causing the slowdonw. But try using LINE instead of PLOT. I ...

quasi 15 anni fa | 1

Risposto
How to plot navigation points on an indoor floorplan
Look at the <http://www.mathworks.com/access/helpdesk/help/techdoc/ref/quiver.html QUIVER> command (and HOLD ON, of course). Tha...

quasi 15 anni fa | 1

Risposto
How to find direction (directional vectors) of a moving object in a video?
The Video and Image Processing Blockset provides <http://www.mathworks.com/access/helpdesk/help/toolbox/vipblks/ref/opticalflow....

quasi 15 anni fa | 0

Risposto
Cursor line
I would create a line object for each axes, and use <http://www.mathworks.com/access/helpdesk/help/techdoc/ref/linkprop.html LIN...

quasi 15 anni fa | 1

Risposto
Reading a txt file with different number of rows for each column
Noga, Read the <http://www.mathworks.com/access/helpdesk/help/techdoc/ref/textscan.html doc for |textscan|>. There's a section ...

quasi 15 anni fa | 0

Risposto
Random Corner Patches
Harris corner detection is the default for the Image Processing Toolbox function <http://www.mathworks.com/access/helpdesk/help/...

quasi 15 anni fa | 0

Risposto
what is the difference between image and imshow ?
|image| is a MATLAB command that visualizes your matrix as simply a matrix of numbers. The colors used to represent each value m...

quasi 15 anni fa | 9

| accettato

Risposto
Apply Zoom in other axes
See the help for <http://www.mathworks.com/access/helpdesk/help/techdoc/ref/linkaxes.html LINKAXES>. Cheers, Brett

quasi 15 anni fa | 1

| accettato

Risposto
box counting to boundary
Damodara, There are no MathWorks-supported functions (Toolbox or otherwise) that I'm aware of for box counting. There are, ho...

quasi 15 anni fa | 0

Risposto
Select axes for zoom in/out
img = imread('cameraman.tif'); f = figure; ax(1) = subplot(1,2,1); imshow(img) ax(2) = subplot(1,2,2); imshow(i...

quasi 15 anni fa | 1

Risposto
Problem with origin and plotting axes
Is this what you're looking for? >> x = [-0.5 0.5 0.5 -0.5]; >> y = [-0.5 -0.5 0.5 0.5]; >> plot(x,y,'ro') >> axis...

quasi 15 anni fa | 0

| accettato

Risposto
Day of year to month
How about this? D = datevec(datenum(1992,1,1:1/24:365, 0,0,0)); Cheers, Brett

quasi 15 anni fa | 0

Risposto
Inserting numbers into a vector
Michael, See if you can figure it out from this response: <http://www.mathworks.com/matlabcentral/answers/1085-inserting-a-c...

quasi 15 anni fa | 0

| accettato

Risposto
inverse Fourier transform
Look at the dimensions of your z matrix. (size(z)). Then make sure the number of x values matches the first dimen Consider: ...

quasi 15 anni fa | 0

| accettato

Risposto
Accessing Hyperspectral Images Using MATLAB
If the images are stored in .mat files, you should be able to LOAD them with core MATLAB--no special Wavelet-reading functions n...

quasi 15 anni fa | 1

| accettato

Risposto
Create workspace file automatically.
I think you mean "variable," not "file." Right? for ii = 1:numel(a) eval(sprintf('%s = %d',a{ii},b(ii))); end Chee...

quasi 15 anni fa | 0

| accettato

Risposto
Day of year to month
If you have 365 days, for instance, but no month information, you can simply increment the DAY position in datenum: mydate...

quasi 15 anni fa | 0

Risposto
Determining whether a point on earth (given latitude and longitude) is on land or ocean
I think this will do it. It is a binary classifier: Ocean/Land. coast = load('coast.mat'); [Z, R] = vec2mtx(coast.lat,...

quasi 15 anni fa | 2

Risposto
finding a closed region
Create a mask of your regions (blobs). Then use the fourth syntax of <http://www.mathworks.com/access/helpdesk/help/toolbox/imag...

quasi 15 anni fa | 0

| accettato

Risposto
finding the length of a pendulum in motion
property = regionprops(lab,'Centroid') returns a struct, the fields of which correspond to each ROI (blob) in lab. To convert th...

quasi 15 anni fa | 0

| accettato

Risposto
.Fig to .m file
Lina, From your GUIDE-built GUI, pull down from the File menu to EXPORT. That should generate a MATLAB file that will recreat...

quasi 15 anni fa | 2

Risposto
executable file without supporting file?
When you build your application (using Deploytool, for instance), you will need to provide hard links to the supporting dll's. T...

quasi 15 anni fa | 0

Risposto
feature extraction
Hi Shiwani, I frequently present an advanced image processing course with coin recognition as the over-arching goal. Here are...

quasi 15 anni fa | 0

| accettato

Risposto
Is there some function in Matlab with which I can dilate only a small ROI in the image?
Actually, it doesn't really matter how the ROI is defined, nor what shape it is. The function <http://www.mathworks.com/help/too...

quasi 15 anni fa | 1