Answered

I need a code for hiding a text in an image using DCT technique

Dear Max, In MATLAB there are two ways to compute the DCT using Image Processing Toolbox™ software. From <http://www.mathwork...

I need a code for hiding a text in an image using DCT technique

Dear Max, In MATLAB there are two ways to compute the DCT using Image Processing Toolbox™ software. From <http://www.mathwork...

meer dan 9 jaar ago | 0

Answered

License plate identification

Dear Ben Ali, Have you looked at <http://www.mathworks.com/matlabcentral/fileexchange/index?utf8=%25E2%259C%2593&term=vehicle...

License plate identification

Dear Ben Ali, Have you looked at <http://www.mathworks.com/matlabcentral/fileexchange/index?utf8=%25E2%259C%2593&term=vehicle...

meer dan 9 jaar ago | 1

Answered

Creating Mel triangular filters function

Dear Manolis, In your code you have computed an array 'f', where the frequencies are defined. These frequencies are calculat...

Creating Mel triangular filters function

Dear Manolis, In your code you have computed an array 'f', where the frequencies are defined. These frequencies are calculat...

meer dan 9 jaar ago | 0

Answered

How can I read the Grove Temperature & Humidity sensor via Arduino Mega 2560?

Dear Wilko, Once you have accomplished to connect the Arduino to Simulink, the next step would be to first show the data you ...

How can I read the Grove Temperature & Humidity sensor via Arduino Mega 2560?

Dear Wilko, Once you have accomplished to connect the Arduino to Simulink, the next step would be to first show the data you ...

meer dan 9 jaar ago | 1

Answered

how to find the bandwidth of a system?

Dear Sarah, To generate Pseudorandom Binary Sequence, please have a look at <http://www.mathworks.com/help/lte/ref/lteprbs.ht...

how to find the bandwidth of a system?

Dear Sarah, To generate Pseudorandom Binary Sequence, please have a look at <http://www.mathworks.com/help/lte/ref/lteprbs.ht...

meer dan 9 jaar ago | 0

Answered

MATLAB Toolbox Instrument : impossible to connect a device

Dear Sarah, The Mathworks function <http://www.mathworks.com/help/instrument/icdevice.html icdevice> is a function which come...

MATLAB Toolbox Instrument : impossible to connect a device

Dear Sarah, The Mathworks function <http://www.mathworks.com/help/instrument/icdevice.html icdevice> is a function which come...

meer dan 9 jaar ago | 0

| accepted

Answered

how to change a matrix variable for each iteration of a matrix loop?

Dear Sierra, Assuming that you use a ODE solver like ode 45, and you have a time dependent variable, please have a loop at <h...

how to change a matrix variable for each iteration of a matrix loop?

Dear Sierra, Assuming that you use a ODE solver like ode 45, and you have a time dependent variable, please have a loop at <h...

meer dan 9 jaar ago | 0

Answered

how to form the final image from red green and blue channels

Dear Abira, You can contract the channels by using the <http://www.mathworks.com/help/matlab/ref/cat.html MATLAB function cat...

how to form the final image from red green and blue channels

Dear Abira, You can contract the channels by using the <http://www.mathworks.com/help/matlab/ref/cat.html MATLAB function cat...

meer dan 9 jaar ago | 0

Answered

Fit a curve, find an equation and then take Fourier Transform of the curve?

Dear Khuram, What I think you need to do is not find the fourier transform of your function, but the fourier series of that f...

Fit a curve, find an equation and then take Fourier Transform of the curve?

Dear Khuram, What I think you need to do is not find the fourier transform of your function, but the fourier series of that f...

meer dan 9 jaar ago | 0

| accepted

Answered

Specific integral of a vector

Dear Ser/Madame, To create more points in your function, you could use an interpolation function like <http://www.mathworks.c...

Specific integral of a vector

Dear Ser/Madame, To create more points in your function, you could use an interpolation function like <http://www.mathworks.c...

meer dan 9 jaar ago | 1

Answered

Extracting blue objects of interest

Dear Izuru, I made a code for you, where first the color 'blue' is detected at a certain threshold. (here 200) Then with a f...

Extracting blue objects of interest

Dear Izuru, I made a code for you, where first the color 'blue' is detected at a certain threshold. (here 200) Then with a f...

meer dan 9 jaar ago | 0

Answered

How to get data for a steady state.

Dear Masazumi, The simulation time 't' in Simulink ist time the programm has elapsed (inside the system) during the execusion...

How to get data for a steady state.

Dear Masazumi, The simulation time 't' in Simulink ist time the programm has elapsed (inside the system) during the execusion...

meer dan 9 jaar ago | 0

| accepted

Answered

I want to edit values of a cell in excel based on certain condition. Can any body pls help me..??

Dear Sapna, Please have a look at the Documentation of the MATLAB function <http://www.mathworks.com/help/matlab/ref/xlsread....

I want to edit values of a cell in excel based on certain condition. Can any body pls help me..??

Dear Sapna, Please have a look at the Documentation of the MATLAB function <http://www.mathworks.com/help/matlab/ref/xlsread....

meer dan 9 jaar ago | 0

| accepted

Answered

Distance measurement using image processing

Dear Kumar, Mathworks provides a toolbox (the <http://www.mathworks.com/products/computer-vision/ Computer Vision System Tool...

Distance measurement using image processing

Dear Kumar, Mathworks provides a toolbox (the <http://www.mathworks.com/products/computer-vision/ Computer Vision System Tool...

meer dan 9 jaar ago | 2

Answered

what is function can i use to change background from video? in matlab.

Dear Ser, Madame, Since a video are slices of images (=frames), you could try first extract all frames from the video. How th...

what is function can i use to change background from video? in matlab.

Dear Ser, Madame, Since a video are slices of images (=frames), you could try first extract all frames from the video. How th...

meer dan 9 jaar ago | 0

Answered

Intersection between spline and a line

Dear Brian, The abbreviation pp means that the polynomial that is defined, is a <http://www.mathworks.com/help/matlab/ref/mkp...

Intersection between spline and a line

Dear Brian, The abbreviation pp means that the polynomial that is defined, is a <http://www.mathworks.com/help/matlab/ref/mkp...

meer dan 9 jaar ago | 0

Answered

Modeling step response on unknown model

Dear Andreas, To tune the parameters in a PID controller, both MATLAB and Simulink could be used. * OPTION 1: The <http:/...

Modeling step response on unknown model

Dear Andreas, To tune the parameters in a PID controller, both MATLAB and Simulink could be used. * OPTION 1: The <http:/...

meer dan 9 jaar ago | 0

Answered

explanation on a bwtraceboundary code

Dear Rafaela, In your code an image is imported, with the size (s1) by (s2) pixels. The first value corresponds to the amount...

explanation on a bwtraceboundary code

Dear Rafaela, In your code an image is imported, with the size (s1) by (s2) pixels. The first value corresponds to the amount...

meer dan 9 jaar ago | 0

Answered

Euler Angle from Body Frame to Inertial Frame?

Dear Yu Hin Hau, If the transformation matrix from the inertial frame to the body frame is known, and you would like to know ...

Euler Angle from Body Frame to Inertial Frame?

Dear Yu Hin Hau, If the transformation matrix from the inertial frame to the body frame is known, and you would like to know ...

meer dan 9 jaar ago | 2

Answered

Can we use MFCC to convert the speech signal to text?

Dear Ser/Madame, A basic approach would be to plot the frequecy spectrum with the <http://www.mathworks.com/help/matlab/ref/f...

Can we use MFCC to convert the speech signal to text?

Dear Ser/Madame, A basic approach would be to plot the frequecy spectrum with the <http://www.mathworks.com/help/matlab/ref/f...

meer dan 9 jaar ago | 0

Answered

Hey, How to remove green color from an image?

Dear Pramod, You can have a look at the <http://www.mathworks.com/matlabcentral/fileexchange/49898-image-color-filtering Imag...

Hey, How to remove green color from an image?

Dear Pramod, You can have a look at the <http://www.mathworks.com/matlabcentral/fileexchange/49898-image-color-filtering Imag...

meer dan 9 jaar ago | 1

Answered

NIT SIT block missing in matlab

Dear Maham, After installing MATLAB/Simulink there is no 'NIT SIT' block. However you can download this block from <http://w...

NIT SIT block missing in matlab

Dear Maham, After installing MATLAB/Simulink there is no 'NIT SIT' block. However you can download this block from <http://w...

meer dan 9 jaar ago | 0

Answered

could you please help me answering this question

Dear Ali, You can solve the problem with one matlab solver called <http://www.mathworks.com/help/matlab/ref/fzero.html fzero...

could you please help me answering this question

Dear Ali, You can solve the problem with one matlab solver called <http://www.mathworks.com/help/matlab/ref/fzero.html fzero...

meer dan 9 jaar ago | 0

Answered

How can I set a condition that Vw = 0 when t = 0 in this code

Dear Clement, In your function Vb = vib + Vw*exp(t/Ta), for t=0, Vb = vib + 0.1=10.1; There are many solutions if you like t...

How can I set a condition that Vw = 0 when t = 0 in this code

Dear Clement, In your function Vb = vib + Vw*exp(t/Ta), for t=0, Vb = vib + 0.1=10.1; There are many solutions if you like t...

meer dan 9 jaar ago | 1

Answered

unable to open matlab editor

Dear Midas, What you can try, is run Matlab as administrator. (right click on Matlab icon, run as administrator) Kind rega...

unable to open matlab editor

Dear Midas, What you can try, is run Matlab as administrator. (right click on Matlab icon, run as administrator) Kind rega...

meer dan 9 jaar ago | 0

Answered

How to find the inner contour of myocardium by using region growing

Dear Neil, The MATLAB function <http://www.mathworks.com/help/images/ref/imfindcircles.html imfindcircles> can find circles f...

How to find the inner contour of myocardium by using region growing

Dear Neil, The MATLAB function <http://www.mathworks.com/help/images/ref/imfindcircles.html imfindcircles> can find circles f...

meer dan 9 jaar ago | 0

Answered

plotting with a custom colororder

Dear Tucker, A solution for this problem is if you replace the line colorhsv2=interp1(linspace(-pi,pi,360)',hsv(360),ang...

plotting with a custom colororder

Dear Tucker, A solution for this problem is if you replace the line colorhsv2=interp1(linspace(-pi,pi,360)',hsv(360),ang...

meer dan 9 jaar ago | 0

Answered

What is the difference between LAR, and the Bisquare Remain Robust in regression (Curve Fitting Tool)?

Dear Nuno, Least absolute residuals (LAR) — The LAR method finds a curve that minimizes the absolute difference of the residu...

What is the difference between LAR, and the Bisquare Remain Robust in regression (Curve Fitting Tool)?

Dear Nuno, Least absolute residuals (LAR) — The LAR method finds a curve that minimizes the absolute difference of the residu...

meer dan 9 jaar ago | 26

| accepted

Answered

Convert bitdepth of png image

Dear Sara, You can use the function imfinfo to get i.e. the bit depth of the image. With the function rgb2gray you can convert ...

Convert bitdepth of png image

Dear Sara, You can use the function imfinfo to get i.e. the bit depth of the image. With the function rgb2gray you can convert ...

meer dan 9 jaar ago | 1

| accepted

Answered

How do you add maximum points for both variables on the same plot as the function line?

Dear Jess, For your first figure, you forgot the command "hold on". Also if you want to add two markers, you do not only ne...

How do you add maximum points for both variables on the same plot as the function line?

Dear Jess, For your first figure, you forgot the command "hold on". Also if you want to add two markers, you do not only ne...

meer dan 9 jaar ago | 0