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chess


University of California Los Angeles

Active since 2014

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Noise Generated using awgn and randn do not match!!!
I am generating noise in two different cases with the same SNR once using awgn command which is a built in command and second ...

7 years ago | 2 answers | 0

2

answers

Question


Debugging Mex file using Visual studio 2010
Hi I have written a mex file and I would like to debug it using visual studio 2010. I followed steps mentioned in Mathwork webs...

8 years ago | 0 answers | 0

0

answers

Question


How to Debug mex code using gcc (minGW) compiler in windows
I have written a mex code when I compiled I receive no error but it does not give me correct result. I would like to debug it, I...

8 years ago | 0 answers | 1

0

answers

Question


Calculate inverse Laplace Matlab
Hi I have a transfer function in this form : (a*s^2)/(b*s^3+c*s^2+d*s+e) I have numerical value for a b c and d for example ass...

9 years ago | 1 answer | 0

1

answer

Question


Problem in finding inverse Laplace
I have a problem with finding inverse laplace of function with Matlab. I obtained following transfer function : <</matlabc...

9 years ago | 1 answer | 0

1

answer

Question


Solving Symbolic equations by solve command
Hi I am trying to solve following system of symbolic equations but I do not know why I am not getting any result. sym...

9 years ago | 3 answers | 0

3

answers

Question


String color is mixed up
Text color for string in my Matlab recently is in black like when I type string 'chicken' instead of being in purple is in black...

9 years ago | 1 answer | 0

1

answer

Question


Repeating triangular block in Simulink
Hi I would like to create 10 triangular wave form that goes up for 0.001s with slope 1000 and then goes down for 0.001s with sl...

10 years ago | 1 answer | 0

1

answer

Question


different color for different region of image
Hi I have an image, I wonder how to assign different color for different region in the image? For example how can I choose one...

10 years ago | 1 answer | 0

1

answer

Question


RGB channel extraction problem
I have a question. I have an image that is 1024*1024*3 but when I extract it using : red=image(1,:,:); green=image(:,1,:...

10 years ago | 1 answer | 0

1

answer

Question


adjusting color in colorbar automatically
Hi Assume you have image with 4 colors in it and colormap is defined as : cmap=[[0 0 1]; [1 0 0]; [0 1 0]; [1 1 0]]; I know...

10 years ago | 3 answers | 0

3

answers

Question


adjust weight of red , green ,blue in color image
I have three images and I use cat command to convert them from 2D to 3D. By default I am getting very dark image. I know if I mu...

10 years ago | 3 answers | 0

3

answers

Question


get the actual position correspond to imfreehand
Hi I have a question. I have a grayscale image, I chose a region using imfreehand command and I have its position. I can conver...

10 years ago | 2 answers | 0

2

answers

Question


change name of variable completely in a loop
I have a question.I wonder is there anyway in Matlab to change the name of variable to completely different thing in a for loop?...

10 years ago | 1 answer | 0

1

answer

Question


Min and local max of a curve
Hi I have a histogram which I want to find its min and max. So lets say the first max happens around 0.1 the local mean is at a...

10 years ago | 1 answer | 0

1

answer

Question


change color of specific location in image
Hi assume I have an image, is there anyway to say to Matlab that I want the center pixels to be blue the corner to be yellow me...

10 years ago | 1 answer | 0

1

answer

Question


transparency between crop and actual image
Hi I have an image which I cropped it using imcrop and then modified it a little bit, then I superimposed the cropped image on ...

10 years ago | 1 answer | 0

1

answer

Question


Multiple image histogram on the same figure
Hi I would like to know how I can plot multiple histogram on the same figure with different color next to each other using im...

10 years ago | 1 answer | 0

1

answer

Question


sharpening image and removing noise
<< >> Hi I have an image which I want to do two things with it. 1- I want to remove the backgrou...

10 years ago | 2 answers | 0

2

answers

Question


Changing width of imhist bins
Hi After issuing histeq my histogram is very spread. it is more like bunch of lines with very small width. I would like to know...

10 years ago | 1 answer | 0

1

answer