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KALYAN ACHARJYA


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1.586 total contributions since 2017

#Image Processing
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Answered
How to trace the boundray of object in an image using MATLAB?
se=strel('disk',2); im=imerode(~binary_image,se); result=bwareafilt(im,1); result=imdilate(result,se); imshow(result); Plea...

1 día ago | 0

Answered
How to find the last 1 in every row
A=rot90(A,90); [~,idx]=max(A==1,[],2) Result: idx = 2 3 2

1 día ago | 0

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for loop to go through a cell array
No loop needed here % FOllowing result counts the total grain left rice pile result=sum(xc_array>ricepileoutlet) Note: Assum...

2 días ago | 0

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How can I overlay my binary gray image red?
Generally, I prefer to set this way. Before applying the color, please adjut the piels condition or area to be color Here, just...

3 días ago | 0

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I was trying to average 20 schlieren images. For that i wrote this code. But i am getting a white image as output image after averaging. Please help me with this. Thank you
numImages=20; myFolder = 'D:\postprocessing\OR 3 NPR 3.5 flatplate _C001H001S0001'; if ~isdir(myFolder) errorMessage = spri...

4 días ago | 1

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Creating an 8x8 matrix using loops
"I can create it using reshape() but I want to get the same output using loops.How's that possible? For and if loop to be more ...

6 días ago | 0

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Replace even element with zero
"I am trying to replace even elements in my matrix with zero like below:" a(2:2:end)=0 But the example is different ?? a = [...

6 días ago | 0

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Add interpolated data at a specific location in the main array.
This way? array_new=[array_data(1:28),int_data,array_data(29:end)]

6 días ago | 1

Answered
Error using .* Matrix dimensions must agree. Error in eff_vs_length (line 20) Ty1=1-exp((-U.*AsurY)./(m.*C)) >>
Please define h,Kp and Kg h=...? Kp=..? Kg=....? % Assumning all are scalar % L=9.512; Y=0:9.512; m=0.11; C=1007; ...

7 días ago | 1

Answered
How to plot data contains only ones?
user_number=20; test_data=ones(1,user_number); plot(1:user_number,test_data); And yes, you definitely find the straight line ...

7 días ago | 1

Answered
Looping with MATLAB Tables
Steps: Load files Link Save the results v_ms,oat_k,bhp in array or cell array as per result data type load tables v_ms(i)=z...

7 días ago | 1

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Answered
why error is coming "undefined function or variable"?
There is no such "bit3xor" inbuilt function in MATLAB. It might be custom function, if so please keep the bit3xor.m file in the ...

7 días ago | 0

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Read a subset of variables in Data Store
subset=[...]; % define for i=1:length(subset) filename=['d',num2str(subset(i))]; % Load the data one by one as per subset num...

8 días ago | 0

Answered
hot to plot data on right side of y-axis?
T=[29.164 30.256 31.186 32.237 33.127 34.137 35.148 37.129 36.119 35.148 34.137 33.127] I=[116 207 414 611 909 1009 951 909 805...

8 días ago | 1

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Answered
Audio segmentation in Matalb
Load the file with xlsread ('filename'), once loaded to the MATLAB workspace, you can see the dimentions of the file as matrix d...

8 días ago | 0

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why the following code do this to make binary a image
There are several methods to obtain the resulting image as a logical or binary image. That does not mean, why does it not follow...

8 días ago | 1

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Regarding usage of imoverlay
See the Example: data_bw=imbinarize(imread('eight.png')); [r,c]=size(data_bw); data_rgb=imresize(imread('B.jpeg'),[r,c]); r...

8 días ago | 0

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How do I get a for loop to move through values in an array?
"To do this I created some loops that should go through each value in an array and compare it with the same positioned value in ...

8 días ago | 0

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Answered
Different color for every point - Scatter3
"It would be tremendously helpful if I could have every point have a different color, it doesn't matter which. It would help me ...

8 días ago | 0

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How I segment this image?
Steps: Read the image Convert to gray Apply Gamma Scaling (Which helps to boost Higher pixels and supress lower values pixels...

8 días ago | 1

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Answered
Legend being occupied by background spectrogram
Questions 1: You have only one legened in the provided code legend({'A','B'},'FontSize',15,'Location','northwest') Question ...

9 días ago | 0

Answered
Angles to arrow representation
data=xlsread('New Microsoft Excel Worksheet.xlsx'); l=0.5; % Length of the arrow for i=1:6 for j=1:6 angle=data(i,j...

9 días ago | 0

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Answered
why i'm getting this error?
Error using DAGNetwork/calculatePredict>predictBatch (line 151) Incorrect input size. The input images must have a size of [224...

9 días ago | 0

Answered
plotting in matlab using implicit
"but i only want curves and their intersections" Try this way, you will get edge boundary only fimplicit3(eqn1,[-0.008 0.001 -...

9 días ago | 0

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How to find the index of a specific entry in an array
idx=find(array_data==particular_entry)

9 días ago | 0

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Answered
How to compare future vector value to a past one in a while loop
How to compare future vector value to a past one in a while loop In such case you may use cell array to store the invidivual ar...

9 días ago | 0

Answered
Delete specific numbers from cell array
result=cell(1,20); for i=1:20 data=p2(:,i); data(data==0)=[]; result{i}=data; end result The result is a cell a...

9 días ago | 1

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Answered
Matrix dimensions must agree.
May be both image are not having equal size, please modify. As there are elementwise multiplication in g and h lines. girl = im...

9 días ago | 1

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Answered
How can i do the related analysis in matlab
First Section: If I undestand the question correctly, you are looking for compare multiple arrays, is this? a1= [0 0 0 1 0 1]; ...

9 días ago | 0

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Answered
How to use the edge function to extract a curve from the photo, and then draw this curve on the coordinate system, and finally smooth the curve.
data=imbinarize(imread('image.jpeg')); result=edge(data); figure,imshow(result); [r,c]=find(result==1); figure,plot(c,r,'.')...

10 días ago | 0

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