1,190 total contributions since 2017

#Image Processing

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#Alma-mater Tezpur University India

Answered

find jordan canonical form of a matrix

J=jordan(A); % where A is Given Matrix Or In your code J represents the same https://in.mathworks.com/help/symbolic/sym.jordan...

find jordan canonical form of a matrix

J=jordan(A); % where A is Given Matrix Or In your code J represents the same https://in.mathworks.com/help/symbolic/sym.jordan...

3 hours ago | 0

Answered

How to remove candidates which are present on blood vessels?

"I have two images ,one is the candidates image and the blood vessels image.I have studied that candidates won't occur on blood ...

How to remove candidates which are present on blood vessels?

"I have two images ,one is the candidates image and the blood vessels image.I have studied that candidates won't occur on blood ...

8 hours ago | 0

| accepted

Answered

Is my uint16 image matrix and RGB image?

Are the unit16 images an rgb images? Is there a way to determine that? No, it doesnot mean that, this mean data types Check th...

Is my uint16 image matrix and RGB image?

Are the unit16 images an rgb images? Is there a way to determine that? No, it doesnot mean that, this mean data types Check th...

8 hours ago | 0

Answered

How can I show this text in the command window?

fprintf and disp

How can I show this text in the command window?

fprintf and disp

8 hours ago | 0

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Answered

adding constant offset to sensor

Is this? a=0.5 % amplitude f=5 % frequency t=linspace(0,10,500); acc=-4*a.*pi^2./f.^2 .* sin(2*pi./f .* t); p...

adding constant offset to sensor

Is this? a=0.5 % amplitude f=5 % frequency t=linspace(0,10,500); acc=-4*a.*pi^2./f.^2 .* sin(2*pi./f .* t); p...

10 hours ago | 0

Answered

I have this code but I want to add each of my values of xn into an array then plot these on a graph. How would i do this?

Do array indexing inside while loop likewise % Define i=1; % also define y(1) and xn(1) while condition xn(i)=(xn(i)+a/xn(...

I have this code but I want to add each of my values of xn into an array then plot these on a graph. How would i do this?

Do array indexing inside while loop likewise % Define i=1; % also define y(1) and xn(1) while condition xn(i)=(xn(i)+a/xn(...

10 hours ago | 1

Answered

can any one provide the concatenation of logical bits

"could you please give me a suggestion to concatenate the logical bits of p,q,r,s" result=[logical(p),q,r,s]

can any one provide the concatenation of logical bits

"could you please give me a suggestion to concatenate the logical bits of p,q,r,s" result=[logical(p),q,r,s]

11 hours ago | 0

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Answered

How to avoid printing certain values in axes of a plot?

set(gca,'XTick',1:1:4)

How to avoid printing certain values in axes of a plot?

set(gca,'XTick',1:1:4)

11 hours ago | 0

Answered

Simple Message Encryption with Matricies

Please di read here char As per the char character array >> ascii = char(reshape(32:127,32,3)') ascii = 3×32 char array ...

Simple Message Encryption with Matricies

Please di read here char As per the char character array >> ascii = char(reshape(32:127,32,3)') ascii = 3×32 char array ...

13 hours ago | 0

Answered

How to remove the noise in image?

Apply morphological image processing after segmenation. Like remove blobs smaller than.. You can use bwareaopen with certain t...

How to remove the noise in image?

Apply morphological image processing after segmenation. Like remove blobs smaller than.. You can use bwareaopen with certain t...

14 hours ago | 0

| accepted

Answered

I have to calculate BER(bit error rate ) of OOK(on off keying signal)

I have checked the code, as suggested you the followings points: First one: As the error pointed, use randi insteat on randint...

I have to calculate BER(bit error rate ) of OOK(on off keying signal)

I have checked the code, as suggested you the followings points: First one: As the error pointed, use randi insteat on randint...

1 day ago | 0

Answered

Display negative results with "i" rather than negative sign

Is this: First one, if OK, do the same for 2nd program n=input ('enter a number between -10,000,000 and 10,000,000: '); if n<-...

Display negative results with "i" rather than negative sign

Is this: First one, if OK, do the same for 2nd program n=input ('enter a number between -10,000,000 and 10,000,000: '); if n<-...

1 day ago | 0

| accepted

Answered

How to calculate true positive , true negative, false positive and false negative as we have segmented and ground truth

%Last year I answered this way, you can avoid the loop (Recommended) TP=0;FP=0;TN=0;FN=0; for i=1:400; for...

How to calculate true positive , true negative, false positive and false negative as we have segmented and ground truth

%Last year I answered this way, you can avoid the loop (Recommended) TP=0;FP=0;TN=0;FN=0; for i=1:400; for...

1 day ago | 0

| accepted

Answered

SNIR formula in MATLAB

Here SINR Please note it was Introduced in R2018a, for detail theory just google. Matlab use: I already provided the Matlab do...

SNIR formula in MATLAB

Here SINR Please note it was Introduced in R2018a, for detail theory just google. Matlab use: I already provided the Matlab do...

2 days ago | 0

Answered

Attempt to call constructor figure with incorrect letter case.

No Error: close all; clear; clc; %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% PARAMETERS %%%%%%%%%%%%%%%%%%%%%%%%%%%% %Number of Nodes ...

Attempt to call constructor figure with incorrect letter case.

No Error: close all; clear; clc; %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% PARAMETERS %%%%%%%%%%%%%%%%%%%%%%%%%%%% %Number of Nodes ...

2 days ago | 0

Answered

Delete middle rows in table

table_data([3,4],:) = []; After deletion 5th and 6th rows automaticaly become 3 and 4 rows.

Delete middle rows in table

table_data([3,4],:) = []; After deletion 5th and 6th rows automaticaly become 3 and 4 rows.

2 days ago | 1

Answered

how do i plot this?

w1=? % Defined all data w2=? w3= ? w4=? w5=? t=0:0.01:18; v=- 0.056139*cos(t*w1)-3.3986*cos(t*w2)-0.41655*cos(t*w3)-1.127...

how do i plot this?

w1=? % Defined all data w2=? w3= ? w4=? w5=? t=0:0.01:18; v=- 0.056139*cos(t*w1)-3.3986*cos(t*w2)-0.41655*cos(t*w3)-1.127...

2 days ago | 0

Answered

use nested for-loops to generate a matrix (without typing the numbers explicitly)

I want to use nested for-loops to generate a matrix Multiple ways you can do that, as you asked for: init_val=12; for i=1:3 ...

use nested for-loops to generate a matrix (without typing the numbers explicitly)

I want to use nested for-loops to generate a matrix Multiple ways you can do that, as you asked for: init_val=12; for i=1:3 ...

2 days ago | 0

| accepted

Answered

error message when poles are in RHP

The problem is here for k = 1: tam3 if imag(r(k)) == 0 && real(r(k)) > 0 % select ...real , positive roots r2(l) = real(r(...

error message when poles are in RHP

The problem is here for k = 1: tam3 if imag(r(k)) == 0 && real(r(k)) > 0 % select ...real , positive roots r2(l) = real(r(...

2 days ago | 0

Answered

Harmonic to noise ratio calculation

You can use this custom function to calculate harmonic to noise ratio (HNR) To understand in detail theory, read here

Harmonic to noise ratio calculation

You can use this custom function to calculate harmonic to noise ratio (HNR) To understand in detail theory, read here

3 days ago | 0

Answered

How do I remove 9 random numbers from a shuffled array?

"My question is how do i remove 9 random numbers from this array of shuffled numbers" shuffled_data=randi(35,[1 35]); % Just E...

How do I remove 9 random numbers from a shuffled array?

"My question is how do i remove 9 random numbers from this array of shuffled numbers" shuffled_data=randi(35,[1 35]); % Just E...

3 days ago | 0

Answered

How to find out the remaining iterations of the Newton Raphson Method with Jakobi Matrix?

Do the x array indexing, consider x=[......] where x(1) as initial value

How to find out the remaining iterations of the Newton Raphson Method with Jakobi Matrix?

Do the x array indexing, consider x=[......] where x(1) as initial value

3 days ago | 0

Answered

Grouping data in a matrx

time_data=[1 1 1 2 3 3 3 4 4]; data=[10 16 14 18 13 14 23 26 29]; time_data1=unique(time_data); data_result=cell(1,length(tim...

Grouping data in a matrx

time_data=[1 1 1 2 3 3 3 4 4]; data=[10 16 14 18 13 14 23 26 29]; time_data1=unique(time_data); data_result=cell(1,length(tim...

3 days ago | 0

| accepted

Answered

How to plot log-normal probability with x and y values?

Based on the data provided by you, it shows the following plot. x=[44 38 36 35 27 26.5 26 26 24 23.5 23 23 21 20.5...

How to plot log-normal probability with x and y values?

Based on the data provided by you, it shows the following plot. x=[44 38 36 35 27 26.5 26 26 24 23.5 23 23 21 20.5...

4 days ago | 0

Answered

Avoiding coloured pixels in text

Chnage the color of Text, there are multiple features to change the color of the text RGB = insertText(I,position,text_str,'Fo...

Avoiding coloured pixels in text

Chnage the color of Text, there are multiple features to change the color of the text RGB = insertText(I,position,text_str,'Fo...

4 days ago | 0

Answered

Finding series/pattern in an array

I have answered this question with help of @Jan Answer's here A =[0 0 0 1 3 6 9 10 10 10 10 10 0 0]; d=[true,diff(A)~=0,true];...

Finding series/pattern in an array

I have answered this question with help of @Jan Answer's here A =[0 0 0 1 3 6 9 10 10 10 10 10 0 0]; d=[true,diff(A)~=0,true];...

5 days ago | 0

Answered

Index exceeds matrix dimensions error message

Yoi defined z3 as scalar, but in the while loop you trying acess it as vectors #Defined here z3=1.23; # while z3(i)>=0 ...

Index exceeds matrix dimensions error message

Yoi defined z3 as scalar, but in the while loop you trying acess it as vectors #Defined here z3=1.23; # while z3(i)>=0 ...

5 days ago | 0