1,201 total contributions since 2017

#Image Processing

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#Alma-mater Tezpur University India

Answered

How to draw a zigzag line in MATLAB?

x=randi(100,[1,10]); y=randi(100,[1,10]); line(x,y)

How to draw a zigzag line in MATLAB?

x=randi(100,[1,10]); y=randi(100,[1,10]); line(x,y)

2 hours ago | 0

Answered

Array indices must be positive integers or logical values.

Please check it has modified (slightly), no need of loop here. omega=2*pi*10; t=0:0.001:10; f=linspace(0,500,length(t)); n=1...

Array indices must be positive integers or logical values.

Please check it has modified (slightly), no need of loop here. omega=2*pi*10; t=0:0.001:10; f=linspace(0,500,length(t)); n=1...

2 hours ago | 0

Answered

Find column where one value is NaN

"Find column where one value is NaN" a=[0.5, NaN, 0.5, 0.5, 0.5; 0.5, NaN, 0.5, NaN, NaN]; [r,c]=find(isnan(a)); col_data...

Find column where one value is NaN

"Find column where one value is NaN" a=[0.5, NaN, 0.5, 0.5, 0.5; 0.5, NaN, 0.5, NaN, NaN]; [r,c]=find(isnan(a)); col_data...

2 hours ago | 1

Answered

The surface Z must contain more than one row or column.

Is this? Please make C and D vectors with same girds points p=2; %range and domain of the graph a=-p:0.1:p; b=-p:0.1:p; [A,B...

The surface Z must contain more than one row or column.

Is this? Please make C and D vectors with same girds points p=2; %range and domain of the graph a=-p:0.1:p; b=-p:0.1:p; [A,B...

3 hours ago | 0

Answered

Log display problem semilogx

a=5; b=2; x=0.0001:1000000; y=a*x+b; figure semilogx(x,y)

Log display problem semilogx

a=5; b=2; x=0.0001:1000000; y=a*x+b; figure semilogx(x,y)

3 hours ago | 0

| accepted

Answered

Plot, fitness function.

Please note I have consider random x value here, please change as per the data. Also there is no role of gama in fitness, as gam...

Plot, fitness function.

Please note I have consider random x value here, please change as per the data. Also there is no role of gama in fitness, as gam...

3 hours ago | 0

Answered

how to sum a 9 matrice in a for loop ?

"May the question is: how to sum a 9 matrices elements in a for loop?" No need of loop, here mat is given matrix result=sum(m...

how to sum a 9 matrice in a for loop ?

"May the question is: how to sum a 9 matrices elements in a for loop?" No need of loop, here mat is given matrix result=sum(m...

4 hours ago | 0

Answered

how to calculate euclidean norm of two points?

As you mentioned ||x-y||^2 (abs(x-y))^2 If not, please do read here the theory and tell us the expression

how to calculate euclidean norm of two points?

As you mentioned ||x-y||^2 (abs(x-y))^2 If not, please do read here the theory and tell us the expression

4 hours ago | 0

Answered

Bar charts with different colors

One way: SC01_LS02_TVSR_112=[0.0127 0.0139 0.0058 0.0112 0.0048 0.0126 0.0037]; col=['r','y','b','k','b','k','y']; % Decide co...

Bar charts with different colors

One way: SC01_LS02_TVSR_112=[0.0127 0.0139 0.0058 0.0112 0.0048 0.0126 0.0037]; col=['r','y','b','k','b','k','y']; % Decide co...

4 hours ago | 0

Answered

How can I select y data given a certain x value?

load Zn1.txt Zn1_data=Zn1; V_Zn1=Zn1_data(:,1); A_Zn1=Zn1_data(:,2); AA_Zn1(find(V_Zn1~=-1.7001))=0; Is This? "I would li...

How can I select y data given a certain x value?

load Zn1.txt Zn1_data=Zn1; V_Zn1=Zn1_data(:,1); A_Zn1=Zn1_data(:,2); AA_Zn1(find(V_Zn1~=-1.7001))=0; Is This? "I would li...

4 hours ago | 0

| accepted

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...

1 day 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 ...

1 day 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...

1 day ago | 0

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...

1 day ago | 0

| accepted

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(...

1 day 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]

1 day ago | 0

| accepted

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)

1 day ago | 0

| accepted

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 ...

1 day 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...

1 day 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...

2 days 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<-...

3 days 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...

3 days 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...

3 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 ...

3 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.

3 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...

3 days ago | 0