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Yun Inn


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How to shrink a binary image of an irregular object?
I have a binary image of an irregular object. Any clue on how to shrink this object, for example, by 20pixel from all directions...

11 years 前 | 1 个回答 | 0

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How to read DICOM RT Structure?
I have a DICOM RT STRUCTURE file (attached) with 1 structure set. I tried dicomread(filename) but it returned an empty array. Ar...

11 years 前 | 3 个回答 | 2

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How to create matrix with array under certain conditions?
I have an array: A=[1.3 1.2 1.3] How can I get matrix B using A? B=[1.3 1.3 1.3; 1.3 1.2 1.3; 1.3 1.3 1.3] Mat...

11 years 前 | 1 个回答 | 0

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How to create 2D plane from Inplane, Crossplane, and Diagonal profiles
I need to create 'A', a 2D plane. size(A)=[512 512] I have the following: InplaneA is a column of data, that should occupy...

11 years 前 | 1 个回答 | 0

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How to apply filter to smooth data?
size(A)=[512 1]. What is the function to smooth 'A' with either moving average or least square method?

11 years 前 | 2 个回答 | 0

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How do I combine matrices in a specific order?
for j=1:5 k=num2str(j); extension='.asc'; filename=strcat('Image',k,extension) [Profiles]=readProfiles(filename...

11 years 前 | 1 个回答 | 0

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'Interp1 error. Value X should be distinct.'
I have matrix A below. When I try using interp1, I get this error: ??? Error using ==> interp1 at 259. The values of X should b...

12 years 前 | 2 个回答 | 0

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How to populate 2D array from 2 vectors perpendicular to each other?
I have 2 files. Each file contains 4 columns. Column 1, 2 and 3 define the location of a point in x, y, and z-axis respectively,...

12 years 前 | 2 个回答 | 0

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How to use Imresize without changing physical size?
'A' is a 300X300 matrix with the central 200X200 pixels occupied by a value of 15 (surrounded by remaining pixels value of 0). I...

12 years 前 | 1 个回答 | 0

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Error in 'find' function when value is out of range. How to get around?
I have eight thicknesses, Th=0,5,10,15,20,25,30,35,40. For each of the Th, I have matrix, ratioAB. Then, I have Z that is a 2...

12 years 前 | 1 个回答 | 0

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How to ignore values in a matrix that is out of bound when performing column 'find' in an array?
Z is a 1024X1024 matrix containing negative value in some pixels. For each pixel in Z, I need to find the column from an arr...

12 years 前 | 2 个回答 | 0

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How to set plot axes?
figure (1) plot(A(512,:)) hold on plot(B(512,:),'r') How do I specify the axes scale for plots? E.g. Y axes from...

12 years 前 | 4 个回答 | 0

4

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Error in Interp1 function when searching for a corresponding matrix
I have eight 1024X1024 matrices corresponding to 8 thicknesses (0,5,10,15,20,25,30,35cm). My code below aims to retrieve a corre...

12 years 前 | 2 个回答 | 0

2

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How to look up corresponding 2D matrix from a table of 8 columns?
I have 8 columns corresponding to thickness 0,5,10,15,20,25,30,35cm. Each column/thickness consist of one 2D matrix. Col...

12 years 前 | 1 个回答 | 0

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How to return answer in 8 columns of 2D matrices through division
I need to create 8 columns of matrices based on division of 2 separate sets of matrices. My code below: PhysicalThickne...

12 years 前 | 2 个回答 | 0

2

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How to change pixel size?
How do I specify pixel size in Matlab? Can I specify the calibration factor directly in the code? I would like to change the ini...

12 years 前 | 2 个回答 | 0

2

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How to increase number of rows and cols without changing the image size?
Is there a function to increase the number of rows and cols without changing the image size? Example: I have an image that i...

12 years 前 | 1 个回答 | 0

1

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Beginner's Question: What is wrong with this function?
I am a beginner. Can someone tell me why the function won't work when I run: [output]=XIOdicomread2('XIOM01.txt',110); ___...

12 years 前 | 0 个回答 | 0

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