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Queila Martins


Active since 2015

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Question


CieLaB grayscal, Red and Green Channels
Hi, I have a program that gets an RGB image, transforms it to grayscale and then extracts its red and green channel. I need ...

6 years ago | 1 answer | 0

1

answer

Question


In subplot, how do I plot all images in same size?
Hi, I'm trying to use subplot to show a ranking of images. I've been trying to understand how to change the code to get all ...

7 years ago | 1 answer | 0

1

answer

Answered
Can't find a string inside a cell array
Based on Guillaume's answer, I tried a code that got me what I needed: find(ismember([onlyFirstColumn{:}], imgConsult)); ...

7 years ago | 0

| accepted

Question


Can't find a string inside a cell array
Hi, I have a cell array of 30 lines x 1 column. Its name is onlyFirstColumn, and this is it's content: 'IMG10_N6.mat' ...

7 years ago | 3 answers | 0

3

answers

Question


Why .^2 does not work as expected?
Hi, I'm doing some math calculations in a code. I noticed something strange in the code below: a = imread('C:\tqPixels.png...

8 years ago | 1 answer | 0

1

answer

Question


Can I get pdist2 results as only one value?
Hi, I've been using some code I wrote to calculate some distances (Euclidean, Canberra, etc). However, I did some research a...

8 years ago | 3 answers | 0

3

answers

Question


How to extract portions of image as matrix (not simple array) and how to draw a rectangle of the portion that was extracted?
Hi, I need to extract portions of an image. Before doing it, I tranform the image to grey, and then I extract everything t...

8 years ago | 1 answer | 0

1

answer

Question


How to extract 4 portions of main object of image with black background
Hi, I have an image with a black background. I would like to extract 4 portions of the main object of the image, a leaf (as ...

8 years ago | 1 answer | 0

1

answer

Question


How to get find() results as a matrix?
Hi, I have a binary image that was obtained from a color image (both were attached here). The background of the segmented im...

8 years ago | 2 answers | 0

2

answers

Question


General leaf segmentation for white or colored background
Hi, I need to do an image segmentation on a leaf image. My image dataset has 2 types of images: some have white background a...

8 years ago | 2 answers | 0

2

answers

Question


How to remove noise from leaf image
Hi, I'm asking this questions after spending a lot of days researching without getting an solution for my problem (the good ...

8 years ago | 1 answer | 0

1

answer