Answered

How can I detect black color and mark bounding box from overall gray image?

Foremost segment that Black ROI regions, then apply the following- #1 It can be done using regionprops https://in.mathworks.co...

How can I detect black color and mark bounding box from overall gray image?

Foremost segment that Black ROI regions, then apply the following- #1 It can be done using regionprops https://in.mathworks.co...

6 mois ago | 1

| accepted

Answered

length(find((XM(2:end)>126.5 & XM(1:end-1)<126.5)｜ (XM(2:end)<126.5 & XM(1:end-1)>126.5)));

It represent the total elements in the vector (Except First One) XM(2:end) It represent the total elements in the vector (Exce...

length(find((XM(2:end)>126.5 & XM(1:end-1)<126.5)｜ (XM(2:end)<126.5 & XM(1:end-1)>126.5)));

It represent the total elements in the vector (Except First One) XM(2:end) It represent the total elements in the vector (Exce...

6 mois ago | 0

Answered

Sym 1x1 in Matrix

That .... dot dot represents the continuation in same line Continue Long Statements on Multiple Lines

Sym 1x1 in Matrix

That .... dot dot represents the continuation in same line Continue Long Statements on Multiple Lines

6 mois ago | 0

Answered

count how many pixel has value 255 in an image

data=GrayImage==255; total_pix=sum(data(:))

count how many pixel has value 255 in an image

data=GrayImage==255; total_pix=sum(data(:))

6 mois ago | 1

| accepted

Answered

How to open .raw extension image file in matlab?

Try with hdrread function MATLAB Docs

How to open .raw extension image file in matlab?

Try with hdrread function MATLAB Docs

6 mois ago | 0

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Answered

ploting between infected pepole and reproduction number

plot(dx,R0);

ploting between infected pepole and reproduction number

plot(dx,R0);

6 mois ago | 0

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Answered

Interpolation of 2 sea temperature time series at different depths to create a 3d figure of time on the x-axis, depth on the y-axis, and temperature on the z-axis.

surf may help you. https://in.mathworks.com/help/matlab/ref/surf.html

Interpolation of 2 sea temperature time series at different depths to create a 3d figure of time on the x-axis, depth on the y-axis, and temperature on the z-axis.

surf may help you. https://in.mathworks.com/help/matlab/ref/surf.html

6 mois ago | 0

Answered

I am new on MATLAB.....How to write this equation in the form of code in MATLAB? I have to find du/dt using euler's method

Please refer the below link (MATLAB Doc) https://in.mathworks.com/help/matlab/math/partial-differential-equations.html

I am new on MATLAB.....How to write this equation in the form of code in MATLAB? I have to find du/dt using euler's method

Please refer the below link (MATLAB Doc) https://in.mathworks.com/help/matlab/math/partial-differential-equations.html

6 mois ago | 0

Answered

How can I establish a logical expression from given truth table using MATLAB?

#For Matrix Multiplication out=A*B+C'*B'; #For Array Multiplication out=A*.B+C'*.B';

How can I establish a logical expression from given truth table using MATLAB?

#For Matrix Multiplication out=A*B+C'*B'; #For Array Multiplication out=A*.B+C'*.B';

6 mois ago | 0

Answered

How to select framework of an image?

You can consider a frame of selection, force remaining pixels to black(0) or white(255), let's suppose data is a gray image- d...

How to select framework of an image?

You can consider a frame of selection, force remaining pixels to black(0) or white(255), let's suppose data is a gray image- d...

7 mois ago | 0

Answered

How to plot the matrix values in the form of a slice plane?

Please refer the surf plot, and change the plot properties accordingly. https://in.mathworks.com/help/matlab/ref/surf.html

How to plot the matrix values in the form of a slice plane?

Please refer the surf plot, and change the plot properties accordingly. https://in.mathworks.com/help/matlab/ref/surf.html

7 mois ago | 0

Answered

Why do I get the error ' Unrecognized function or variable A'?

You have to pass the input arguments to the function. Please refer the following link to understand "How to the call function"...

Why do I get the error ' Unrecognized function or variable A'?

You have to pass the input arguments to the function. Please refer the following link to understand "How to the call function"...

7 mois ago | 0

Answered

Importing and RGB image to matlab in the form image L(x,y)=[LR(x,y),LG(x,y),LB(x,y)]

LR=L(:,:,1); % First Slice: Red Component LG=L(:,:,2); % Second Slice: Green Component LB=L(:,:,3); % Third Slice: Blue Compon...

Importing and RGB image to matlab in the form image L(x,y)=[LR(x,y),LG(x,y),LB(x,y)]

LR=L(:,:,1); % First Slice: Red Component LG=L(:,:,2); % Second Slice: Green Component LB=L(:,:,3); % Third Slice: Blue Compon...

7 mois ago | 1

Answered

RGBto XYZ CIE 1931 Code

Here CIE_image=rgb2xyz(RGB_image); Matlab Doc: Here

RGBto XYZ CIE 1931 Code

Here CIE_image=rgb2xyz(RGB_image); Matlab Doc: Here

7 mois ago | 0

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Answered

how to save a figure plotted with matlab with best quality in .ppt or .pdf file?

One way: https://in.mathworks.com/help/matlab/creating_plots/save-figure-at-specific-size-and-resolution.html

how to save a figure plotted with matlab with best quality in .ppt or .pdf file?

One way: https://in.mathworks.com/help/matlab/creating_plots/save-figure-at-specific-size-and-resolution.html

7 mois ago | 0

Answered

I want to divide every column element . for example 1nd element with 2nd then 2nd with 3rd and so on

#data is a column/row vector data1=circshift(data,[0 -1]); temp=data./data1; #Ignoring last element, as devide present by nex...

I want to divide every column element . for example 1nd element with 2nd then 2nd with 3rd and so on

#data is a column/row vector data1=circshift(data,[0 -1]); temp=data./data1; #Ignoring last element, as devide present by nex...

7 mois ago | 0

| accepted

Answered

How can I plot a reverse x-axis on the same graph?

#Convert to strings x=[0 1 2 3 4 3 2 1 0]; y = 2*x; plot(y); data=string(x); set(gca,'xtick',1:length(x),'xticklabel',data...

How can I plot a reverse x-axis on the same graph?

#Convert to strings x=[0 1 2 3 4 3 2 1 0]; y = 2*x; plot(y); data=string(x); set(gca,'xtick',1:length(x),'xticklabel',data...

7 mois ago | 0

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Answered

Smoothing a noisy signal

%% how to create a noisy data x = 0:0.1:20; %creating a dummy data y = sin(x); %finding a sine of the variable x n = randn(1,...

Smoothing a noisy signal

%% how to create a noisy data x = 0:0.1:20; %creating a dummy data y = sin(x); %finding a sine of the variable x n = randn(1,...

7 mois ago | 0

Answered

loading text file in vector columns

May be no file "111.txt" exist in the current working directory. Please check again & confirm? exist('111.txt','file')

loading text file in vector columns

May be no file "111.txt" exist in the current working directory. Please check again & confirm? exist('111.txt','file')

7 mois ago | 0

Answered

how to plot different R0 value in single graph

for i=1:length(...) Ro= ..%One data change, which allow to change the Ro, note that it must be an 1D array R=p*b/(b+...

how to plot different R0 value in single graph

for i=1:length(...) Ro= ..%One data change, which allow to change the Ro, note that it must be an 1D array R=p*b/(b+...

7 mois ago | 0

Answered

Erlang distribution n=50 , m= 5; 6; k= 5; 9

Please set the typical values t=....; m=...; k=....; erlang_dist=t.^(k-1).*exp(-t/m)/(m.^k.*factorial(k-1)); plot(t,erlang...

Erlang distribution n=50 , m= 5; 6; k= 5; 9

Please set the typical values t=....; m=...; k=....; erlang_dist=t.^(k-1).*exp(-t/m)/(m.^k.*factorial(k-1)); plot(t,erlang...

7 mois ago | 0

Answered

PIXEL counting at grey scaled picture

%Using Histogram (Considering 256 Levels) [counts,binLocations]=imhist(grayImage); pix_counts=sum(counts(200:end)) ## %% 2nd...

PIXEL counting at grey scaled picture

%Using Histogram (Considering 256 Levels) [counts,binLocations]=imhist(grayImage); pix_counts=sum(counts(200:end)) ## %% 2nd...

7 mois ago | 0

| accepted

Answered

Object Segmentation using SegCaps

You can implement on any tool as per your expertise. Here is the complete reference in python (Just the reference) Reference Li...

Object Segmentation using SegCaps

You can implement on any tool as per your expertise. Here is the complete reference in python (Just the reference) Reference Li...

7 mois ago | 0

| accepted

Answered

Check numbers in a 5x5 array

Sufficients Hints: #Check all the elements within 1 & 25, use logical statement to avoid loops result=data>=.... & data<=.......

Check numbers in a 5x5 array

Sufficients Hints: #Check all the elements within 1 & 25, use logical statement to avoid loops result=data>=.... & data<=.......

7 mois ago | 0

Answered

How can i put in matrix data into cell array?

Cell array for i=1:length(matrix_data) cell_data{i}=matrix_data; end Detail?

How can i put in matrix data into cell array?

Cell array for i=1:length(matrix_data) cell_data{i}=matrix_data; end Detail?

7 mois ago | 2

| accepted

Answered

how can i name my output and display it?

#Check Pt array size? Use ; for column vector or use traspose in the table data. T=table(ln,rn,Pt','VariableNames',{'From Bus'...

how can i name my output and display it?

#Check Pt array size? Use ; for column vector or use traspose in the table data. T=table(ln,rn,Pt','VariableNames',{'From Bus'...

7 mois ago | 1

| accepted

Answered

Average intensity of pixels

#One Way: Segmentation and useing Mask im_original=read the image considering RGB Image im_binary=imbinarize(rgb2gray(im_origi...

Average intensity of pixels

#One Way: Segmentation and useing Mask im_original=read the image considering RGB Image im_binary=imbinarize(rgb2gray(im_origi...

7 mois ago | 0

Answered

How to store data in cell array?

Just traspose the cell array, let's data is a cell array then- new_data=data'

How to store data in cell array?

Just traspose the cell array, let's data is a cell array then- new_data=data'

7 mois ago | 0

Answered

Plotting average value with max-min area

c_color=['r','m','y']; for i=3:-1:1 p=Cn_range(i,:); plot(p); area(p,'FaceColor',c_color(i)); hold on; end...

Plotting average value with max-min area

c_color=['r','m','y']; for i=3:-1:1 p=Cn_range(i,:); plot(p); area(p,'FaceColor',c_color(i)); hold on; end...

9 mois ago | 0