GUI codes for Campture image using webcam - Matlab

Today i will tell you how to capture image using webcam in GUI using matlab

before go to GUI, we have have to know that how to connect webcam to MATLAB for that go to how to connect webcam to MATLAB click here

Than create Push button on GUI which is used to capture images

Click Start -> Matlab -> GUIDE(GUI Builder)

Select Blank GUI(default) -> press ok

Select push button and draw push button as show in fig

Go to the inspector and change string to start

Now save GUI

After saving GUI Editor window will open

write below codes under puchbutton1_callback function as shown in fig below

close all;
clear all;
clc;
%to close preview window
closepreview
%winvideo is webcam port address
%use your webcam port address
vid=videoinput('winvideo');
%to open preview window
preview(vid)
%press enter to capture image
pause
%to capture image
data = getsnapshot(vid);
delete(vid)
%to display capture image
figure
imshow(data)

Now save editor window and run .fig file and click start button
preview will open than click enter to capture images

Note :- It work only matlab 9 and above matlab version

if you get any error let me know from your comment and don`t forget to tell thanks

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How to run .m file in GUI using matlab

Today i will tell you how to run m file in GUI using matlab

i have camera.m matlab file saved in project folder which have to run when Push button is clicked in GUI

first create Push button on GUI

Click Start -> Matlab -> GUIDE(GUI Builder)

Select Blank GUI(default) -> press ok

Select push button and draw push button as show in fig

Go to the inspector and change string to start

Now save GUI in project folder only where you saved camera.m file

NOTE :- camera and GUI much be saved in same folder

after saving GUI Editor window will open

write camera under puchbutton1_callback function as shown in fig below

Now run your GUI to see result

Note :- It work only matlab 9 and above matlab version

if you get any error let me know from your comment and don`t forget to tell thanks

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How to shut down computer using matlab

Today in my post i will give Matlab codes to shut down, restart, log off, hibernate

its easy to shut down computer/pc or laptop using matlab code

matlab shutdown pc less than 1 min

Note :this code may not work if there are Microsoft Office programs running at the time the shutdown is requested.

Just type following single line code to shut down computer

% code to shut down
system('shutdown -s')

% code to restart
system('shutdown -r')

% code to log off
system('shutdown -l')

% code to hibernate
system('shutdown -h')

%Shutdown and restart the computer
%After the system is rebooted,
%restart any registered applications.

system('shutdown -g')

for more info type

system('shutdown /?')

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How to see webcam preview in matlab

Before going to program just see this post How to connect webcam to matlab click here



%close all preview window
closepreview
%use your webcam port address
vid = videoinput('winvideo');
%see webcam preview
preview(vid)
%Capture photo
data = getsnapshot(vid);
%display the capture image
figure
imshow(data)

Want to give delay to capture image than check this post click here

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How to capture image form webcam in Matlab - matlab code

Matlab code for giving delay to capture image from webcam

1st we want to know the webcam port address
open matlab
type 'imaqhwinfo'
Press enter

InstalledAdaptors gives webcam port address

I got Winvideo as webcam port address so i used winvideo in my code replays with your webcam port address

%use your webcam port address
vid=videoinput('winvideo');
triggerconfig(vid, 'manual');
start(vid
% to give delay
for p=1:10
%capture image
k=getsnapshot(vid);
end
stop(vid);
delete(vid);
clear vid
%to display capture image
figure,imshow(k)






Don`t forget to tell thanks

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How to connect Microsoft Access to Matlab

Hey, Today i will tell you how to connect MS Access to Matlab

1st we have to Create MS Access Database.
For Eg i create Naik MS Access in Desktop.

Than Start -> Control Panel -> Administrative Tools (change View by to Small icon)
-> Data Sources(ODBC)

ODBC Data Source Administrator Window will open

Click Add

Select Microsoft Access Driver(.mdb)

Data Source Name :- Any Name

Description :- optional

Than Select As shown in Fig

Than Window will open to Select MS Access database
select Database naik which one we saved in desktop

than press Ok

Here we connect MS Access to Matlab
don`t forget to tell thanks

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How to connect mysql to Matlab

Today i will post how to connect mysql database to Matlab

download mysql database from here click here

after installing mysql software, we have to install mysql driver for connecting mysql to matlab click here to download

Now open your mysql software and create database eg Naik

Mysql

Steps used in mysql
When you open mysql it will ask password
In my eg mysql data base password is naikgroup
Step 1
%create database naik
Create database naik
Step 2
%use database
Use naik
Step 3
%exit from mysql
Exit

Now you can connect mysql to Matlab follow this steps

1. Go to control panel -> Administrative Tools (Change view to Small icons)
2. Click on Data Sources(ODBC)
3. ODBC Data Source Administrator window will open, Select Add

4. Select MySQL Driver

5.
Data Source Name
Use any Name in Data Source Name

Description
Description is optional

user: root
password : use your mysql password
in my eg password is naikgroup

Database
Database which on you create in mysql
in my eg database is naik

Now click on test to check connection between mysql and matlab

Matlab


Follow these commands in matlab to connect mysql to matlab
We create database called naik
I used mysql password as naikgeoup
conn = database('datasourcename','username','password')
conn = database('datasourcename','username','password') connects a MATLAB software session to a database via an ODBC driver and assigns the returned connection object to conn. The arguments passed to this function are as follows:
• datasourcename: The data source to which you connect.
• username and password are the user name and password required to connect to the database. If a user name or password are not required to connect to your database, specify empty strings for these arguments.
In our case it will be
conn = database('test','root','naikgroup')

now you can able to store data from matlab to mysql


hope this post help you...
feel free to comment and don`t forget tell thanks...!!!

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How To install Matlab 2007 on windows 7

Change Windows 7 Theme to the classic one (windows classic) -> now the
Matlab install will work correctly

To use Matlab with other windows 7 themes you have to change java used
by matlab
download latest java version and install it -> Go to
C:\Program Files\MATLAB\R2007a\sys\java\jre\win32 you will find a file
named jer1.5.0_07 rename it to Original_jer1.5.0_07 -> Go to
C:\Program Files\Java you will find file named jet6 (jetX for Xversion) copie
it to C:\Program Files\MATLAB\R2007a\sys\java\jre\win32 and rename it to
jer1.5.0_07
Now you can use matlab with all themes.