Answered

imshow(Im) hangs when I run it on MATLAB 2016b on Ubuntu 16.04 - Has anyone solved this issue?

Hi, Instead of using your graphics hardware you can try using the software version of OpenGL built into MATLAB. To find i...

imshow(Im) hangs when I run it on MATLAB 2016b on Ubuntu 16.04 - Has anyone solved this issue?

Hi, Instead of using your graphics hardware you can try using the software version of OpenGL built into MATLAB. To find i...

7 years ago | 1

Answered

how can I compare two image after some changes?

Hi, To measure quality of lossy image compression techniques like JPEG, you may use PSNR (Peak Signal to noise ratio). ht...

how can I compare two image after some changes?

Hi, To measure quality of lossy image compression techniques like JPEG, you may use PSNR (Peak Signal to noise ratio). ht...

7 years ago | 0

Answered

What does "@" do ?

Hi, You might have seen function handles. A function handle is a MATLABĀ® data type that stores an association to a function. ...

What does "@" do ?

Hi, You might have seen function handles. A function handle is a MATLABĀ® data type that stores an association to a function. ...

7 years ago | 15

| accepted

Answered

How do I get a string to change everytime my xMax value changes?

Hi, You can try >> text(xMax,y4Max + 0.1,num2str(xMax),'HorizontalAlignment', 'center', 'FontSize', 15)

How do I get a string to change everytime my xMax value changes?

Hi, You can try >> text(xMax,y4Max + 0.1,num2str(xMax),'HorizontalAlignment', 'center', 'FontSize', 15)

7 years ago | 0

| accepted

Answered

How to assign values to a struct array with fields?

Hi, >> x = struct('a',{10,20}); This will create x(1).a = 10 and x(2).a = 20 To modify an already existing structure array, ...

How to assign values to a struct array with fields?

Hi, >> x = struct('a',{10,20}); This will create x(1).a = 10 and x(2).a = 20 To modify an already existing structure array, ...

7 years ago | 8

| accepted

Answered

How to get displacement field from tform?

Hi Silja, The issue is because you are using an incomplete syntax of 'imwarp' in the code. 'imwarp' function has an 'OutputVi...

How to get displacement field from tform?

Hi Silja, The issue is because you are using an incomplete syntax of 'imwarp' in the code. 'imwarp' function has an 'OutputVi...

8 years ago | 0

| accepted

Answered

tf2zpk vs. zp2tf

Hi, There might be some issues with your 'h22'. Note that you should use tf2zpk when working with transfer functions expresse...

tf2zpk vs. zp2tf

Hi, There might be some issues with your 'h22'. Note that you should use tf2zpk when working with transfer functions expresse...

8 years ago | 0

Answered

How to average values and get a one-sided spectrum from two-sided spectrum?

Hi, Your code can be simplified a lot by using the MATLAB function 'spectrogram'. Please find the link below for details on ...

How to average values and get a one-sided spectrum from two-sided spectrum?

Hi, Your code can be simplified a lot by using the MATLAB function 'spectrogram'. Please find the link below for details on ...

8 years ago | 0

Answered

how to implement KNN classification in simulink

Hi Pavan, 1. Since Simulink does not support string inputs, you can convert class labels to digits. Like Class A can be repre...

how to implement KNN classification in simulink

Hi Pavan, 1. Since Simulink does not support string inputs, you can convert class labels to digits. Like Class A can be repre...

8 years ago | 0

Answered

How to get the answer from ifourier function?

Hi Sijie Cheng, Since you are using symbolic expression, you should use the command 'fplot' instead of 'plot'. Please use...

How to get the answer from ifourier function?

Hi Sijie Cheng, Since you are using symbolic expression, you should use the command 'fplot' instead of 'plot'. Please use...

8 years ago | 0

Answered

convert cell array to tiff?

Hi, If we assume that the size of the tiff file you need is a 97 X 2976 (97*96 = 2976), then first convert the cell to a matr...

convert cell array to tiff?

Hi, If we assume that the size of the tiff file you need is a 97 X 2976 (97*96 = 2976), then first convert the cell to a matr...

8 years ago | 0

Answered

scatter3, colors indicate 3dimensions

Hi, To color the marker points according to the temperature intensity, put c = temp. Now the values in 'c' are linearly mappe...

scatter3, colors indicate 3dimensions

Hi, To color the marker points according to the temperature intensity, put c = temp. Now the values in 'c' are linearly mappe...

8 years ago | 0

| accepted

Answered

how to get two different images from a real time video?

Hi, A demo code is available in MATLAB, 'demoimaq_GetSnapshot.m'. Type 'demoimaq_GetSnapshot.m' in your MATLAB editor. This h...

how to get two different images from a real time video?

Hi, A demo code is available in MATLAB, 'demoimaq_GetSnapshot.m'. Type 'demoimaq_GetSnapshot.m' in your MATLAB editor. This h...

8 years ago | 0

Answered

Plot a 3D histogram with 3 arrays (vectors) of different sizes

Hi, Suppose you have an 8*8 gray scale image (64 pixels in total). So the x axis varies from 1 to 255 and y axis from 1 to 64,...

Plot a 3D histogram with 3 arrays (vectors) of different sizes

Hi, Suppose you have an 8*8 gray scale image (64 pixels in total). So the x axis varies from 1 to 255 and y axis from 1 to 64,...

8 years ago | 0