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Jórdan Venâncio Leite


Last seen: meer dan een jaar ago |  Active since 2020

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Create a step in a graph
Hi all, I already have a step up. i wish i had one down. how do i change my code? aux1=70*1200; aux2=70.2*1200; fo...

meer dan een jaar ago | 1 answer | 0

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Question


How to define if a histogram is unimodal or bimodal
Hello, I'm using the HartigansDipSignifTest // https://stackoverflow.com/questions/20815976/testing-for-unimodal-unimodality-or-...

meer dan 2 jaar ago | 1 answer | 0

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How to separate into unimodal or bimodal
Hello, I have some histograms. How can I separate them through Matlab code and tell which one is unimodal or bimodal ? thanks i...

meer dan 2 jaar ago | 1 answer | 0

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Question


Which image filter to use
Hello, could you indicate me some criteria (or any filter) that allow me to say that image 1 has a bigger brighter region than a...

meer dan 2 jaar ago | 1 answer | 0

1

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How to select values in a vector
Hello, My vector has sets of values every certain time (this time is variable) and I would like a new vector (with the same siz...

bijna 3 jaar ago | 1 answer | 0

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How to separate a set of pixels
Hello, After filtering my image (attached) that contains a large bubble, I arrived at image 5. My goal is to measure, even with...

bijna 3 jaar ago | 1 answer | 0

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Question


Filtering of an image to find a bubble
Hello, Please can you suggest any filters in which I can highlight the tip of this big bubble so i can find its position? I have...

bijna 3 jaar ago | 1 answer | 0

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Question


FIltering of an image
Hello, Please can you suggest any filters in which I can highlight the sides (in red) of this bubble? Thanks in advance.

bijna 3 jaar ago | 0 answers | 0

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answers

Question


How to find a delay between two similar vectors
Hi, I need to calculate the delay between the two vectors from the attached J.mat file. The first vector is J(:,1),J(:,2) and t...

ongeveer 3 jaar ago | 2 answers | 0

2

answers

Question


How to normalize only one column of a matrix
Hi, I need to normalize only one column (column 2 of my array X) of an array with 4 columns by rescaling the range of the data ...

ongeveer 3 jaar ago | 1 answer | 0

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answer

Question


How to create a vector in Matlab
1 -> I need to create a vector in Matlab that goes from 1 to 500 and has 0.00462962962962962962962962962963 of interval between ...

meer dan 3 jaar ago | 1 answer | 0

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Question


How to concatenate the results of each iteration of a 'for' to create a final concatenated vector?
I don't know if the title explained the objective of the question very well, however, the objective is to go concatenating each ...

meer dan 3 jaar ago | 2 answers | 0

2

answers

Question


How to create lines and calculate their lenghts
I need to create lines in the filtered image bellow (already filtered image of a bubble seeping into a tube (cropped image)) in ...

ongeveer 4 jaar ago | 1 answer | 0

1

answer

Question


How to sort a two column vector
I need to order this two column vector (attached) in such a way that the first column (x) is ordered ascending and the second co...

meer dan 4 jaar ago | 2 answers | 0

2

answers

Question


How to create an independent image after drawing a ROI
How to create a second independent image that contains the same first image, however with the burned ROI? If possible, the ROI s...

meer dan 4 jaar ago | 1 answer | 0

1

answer

Question


How to split an image and find the coordinates of points already determined
My need is to rotate and cut an image in half (image A) in a similar way to image B (created in paint) based on its length and t...

meer dan 4 jaar ago | 1 answer | 0

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answer

Question


How to improve the filtering of a bubble image
I need to better filter my image (a bubble) in order to obtain a better filtering than the one I already have (code), in order t...

meer dan 4 jaar ago | 1 answer | 0

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answer

Question


How to apply two polygon on two outlines
I have two images. The objective is to find the area of the approximation made by polygons in the contours of the images. In th...

meer dan 4 jaar ago | 1 answer | 0

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answer

Question


How to delete one of the two outlines of an image
I have a binary image with two outlines (attachment). One larger and one smaller. I used the bwconncomp and regionprops function...

meer dan 4 jaar ago | 1 answer | 0

1

answer

Question


Simple operations with struct
How to exclude elements of a struct with a value less than a limit? For example, if a struct has only one field and this field ...

meer dan 4 jaar ago | 2 answers | 0

2

answers

Question


Creation of an automatic polyline
My objective is to create an automatic polyline in the attached image, which is a tube with a bubble, so i can aproximate the ar...

meer dan 4 jaar ago | 1 answer | 0

1

answer

Answered
How to fill inside of the object?
Hello ImageAnalyst! how to draw a line across the top of a figure as you did with the bottom side?

meer dan 4 jaar ago | 0