回答済み
how to mask on roi area
you can ask user to interactively specify ROI: I = imread('fullfilename'); imshow(I) h = imfreehand(gca); wait(h) % wai...

12年弱前 | 0

回答済み
pan and zoom on image
Simultaneous pan and zoom: <http://blogs.mathworks.com/pick/2005/02/24/simultaneous-pan-and-zoom/>

12年弱前 | 0

回答済み
vec2mat function unrecognized by Cody
*vec2mat* is defined in Communication system toolbox and cody doesn't recognize toolbox functions.

12年弱前 | 0

| 採用済み

回答済み
can I process on video which is live capturing by camera ?
you need to capture snapshots from live video in order to process them. vidobj = videoinput('winvideo'); snapshot = getsn...

12年弱前 | 0

| 採用済み

回答済み
How to implement gray level probability density function?
you can use built in function *imhist*.

12年弱前 | 0

回答済み
Plotting RMS from .csv files
RMS = (sum(col2.^2)/length(col2))^0.5;

12年弱前 | 0

| 採用済み

回答済み
how to numbering the objects in the binary image ?
Go through this demo: <http://www.mathworks.com/matlabcentral/fileexchange/25157-image-segmentation-tutorial-blobsdemo>

12年弱前 | 0

回答済み
How to get the YUV value for each pixel?
if you have a RGB image you can convert it into YUV using below mentioned equations: Y = R*(0.299000) + G*(0.587000) + B*(0...

12年弱前 | 0

| 採用済み

回答済み
How to separate the color components of the color image
[I map]=imread('kids.tif'); RGB = ind2rgb(I, map); R = RGB(:,:,1); G = RGB(:,:,2); B = RGB(:,:,3);

12年弱前 | 0

質問

How to add a folder permanently to matlab path?
I am using addpath to add specified folders to matlab path, but it removes the folders from the matlab path everytime the applic...

12年弱前 | 3 件の回答 | 4

3

回答

回答済み
replace the elements of a matrix
A(find(A==1))=B;

12年弱前 | 0

回答済み
How to obtain the DCT ( discrete cosine transform )?
The image must be an indexed image not a RGB image. You shall use ind2gray. [I, map]=imread('kids.tif'); I1=ind2gray(I,map...

12年弱前 | 0

| 採用済み

回答済み
Need basic help with low pass filtering
go through fdesign documentation: doc fdesign;

12年弱前 | 1

回答済み
poincare plot of heart sound
X = RRI; X(end)=[]; Y=RRI; Y(1)=[]; plot(Y,X,'.');

12年弱前 | 0

回答済み
can any one tell me how to extract only the l component of the image ..if the image is rgb ..i want only the l component of the image ,how is it possible
R=YourImage(:,:,1); G=YourImage(:,:,2); B=YourImage(:,:,3);

12年弱前 | 0

回答済み
How to invert the colors in an image
doc imcomplement

12年弱前 | 0

| 採用済み

回答済み
How to use gplot for co-ordinates
gplot(eye(length(x)) , [x' , y'], '*'); % x and y are row vectors containing co-ordinates.

12年以上前 | 0

| 採用済み

回答済み
how to code rbg colour intensity of an image?????
you can extract all the three color planes using: R = YourImage(:,:,1); % Red color plane G = YourImage(:,:,2); % Green ...

12年以上前 | 0

| 採用済み

回答済み
I need help with this trivial function.
This isn't a script, it's a function. You need to pass input argument while calling the function. x = 4 ; y = fibonacci(4)...

12年以上前 | 0

| 採用済み

回答済み
How can I colour a surface plot such that one colormap is used for regions where the z-axis is greater than zero and another is used for regions where the z-axis is less than zero?
a = [jet; gray]; % In general a = [cdata1; cdata2]; colormap(a);

12年以上前 | 0

回答済み
how to add data to a gui table
scope of data is local to the function is defined in.It can't be used outside that function. If you still want to access it in a...

12年以上前 | 0

| 採用済み

回答済み
How to increase amplitude of a peak in fft in MATLAB?
In the other software you might be plotting fft against indices and here you are doing it differently i.e fft vs frequency sa...

12年以上前 | 0

回答済み
Plotting Issue? Conversion of one type of plot to other?
set(gca, 'xcolor' ,[1 1 1] ,'xtick' ,[]) x - axis is still there, but it just makes it invisible by setting axis color ...

12年以上前 | 0

回答済み
I am getting an error that reads Index exceeds matrix dimensions. Error in lab09 (line 14) Both_Team_Scores=Full_Season(2:37,6:25);
use dbstop if error to debug your code, it will give exact location to where your code hangs. dbstop if error YourFunction...

12年以上前 | 1

回答済み
Saving an axes as jpg file using saveas
F = getframe(handles.axes1); Image = frame2im(F); imwrite(Image, 'Image.jpg')

12年以上前 | 3

| 採用済み

回答済み
Plotting data from one GUI to other
You'll need to store handle of the 2nd figure/GUI in root. You can achieve this by typing the following code in opening function...

12年以上前 | 0

| 採用済み

回答済み
Is it possible to pass an image as an input to a function in Matlab?
An image is nothing but a matrix, so you can pass it like any other variable. I=imread('YourImage'); yourFunction(I)

12年以上前 | 1

| 採用済み

回答済み
error while using imshow function.
You should specify full image name(extension too ) within singles quotes. You are getting this error because logo is a predefine...

12年以上前 | 0

| 採用済み

回答済み
How to reset toggle buttons with a push button?
push buttton callback: set(handles.togglebutton1,'value',0); set(handles.togglebutton2,'value',0);

12年以上前 | 0

| 採用済み

回答済み
Font of a toggle button to change on a toggled state?
Type the following code in Togglebutton callback: h = get(hObject,'value'); if h set(handles.togglebutton1, 'string',...

12年以上前 | 0