Khadidja Belattar

21 Questions 16 Answers 0 Followers

Questions related from Khadidja Belattar

How do we choose the initial parameters of the MSER?

Dear researchers, I would like to work with the algorithm Maximally stable extremal regions (MSER) for the skin lesion images. The MSER has 9 parameters. The problem is how do we choose the...

02 February 2023 2,169 0 View

How can I create an inverted index for a collection of histograms for content based image retrieval?

Dear researcher? I would like to retrieve relevant images from a collection of images using vocabulary tree with inverted indexing scoring. At first, i generate a vocabulary tree for all database...

06 September 2016 7,412 1 View

Dear Researcher, is it correct to enhance the contrast from illumination component obtained by Retinex algorithm?

Dear Researcher, I would like to understand and enhance the color image contrast. I have somme questions to ask, i will be very appreciated if you answer me. 1. What does mean"high dynamic range"...

13 July 2016 8,421 4 View

What is the steady state replacement in Genetic Algorithm? If an optimization algorithm converges to optimum local , what i must do to imrpove it?

Hello, I would like to know what is the steady state replacement operator in Genetic Algorithm? and If an optimization algorithm converges to optimum local , what i must do to imrpove this...

19 June 2016 5,690 4 View

I would like to evaluate an image retrieval system for skin lesion images and I do not have the ground truth. How I do that?

Hi, I developed an interactive system for content based skin lesion image retrieval, and I would like to compute its performance on database of 1097 skin lesion images (melanome and benign). The...

12 October 2015 8,231 1 View

Why do I get low recall performance of CBIR system, altough its precision is about 65%?

I have developed a CBIR system, i have computed its precision and recall over 20 queries on database of 176 image database. Tha attached, MAP (Mean Average Precision) and MAR (Mean Average Recall)...

23 July 2015 2,208 3 View

I would like to compute segmentation rate but i don't have the ground truth. Is there any method to compute the quality of the segmentation?

I have 1000 image without segmentation reference (ground truth) and I binarise these images with 3 different methods. I would like to compare them, but i don't have the ground truth. Please, any...

16 May 2015 7,523 4 View

Could anyone explain the difference between the relative and absolute image features?

I am working with Content based skin lesin image Retrieval .These images suffers from black frame artifacts.Attached,you will find an image example. I remove the back frame by applying gemotric...

24 March 2015 7,493 7 View

Hi, can I select 90% of the data for training and the remaing (10%) for test set and repeat the split 10 times?How I do that?

I would like to split my data into training and testing sets;90% of data will be for training and 10% to use for test.Then I will repeat the partition 10 times, Total cassification accuracy is...

20 March 2015 4,475 12 View

How can one transform an image of 2 dimensions on Signal of 1 dimension?

I am dealing with images transformed from 2 dimensions to 1 dimension? So, how I do that? Thank You. Best Regards. Khadidja BELATTAR.

09 March 2015 3,829 5 View

How can I investigate the effect of the poor quality of the captured images on image retrieval?

Hi, I would like to investigate the effect of the preprocessing images on image retrieval tasks. So I'm thinking about preprocessing the images than I compute the accuracy of the...

27 December 2014 7,389 4 View

How do I save some images selected randomly from text file in MATLAB?

My aim is to generate a training set. So, I have text file including number of images, I select randomly some images and I would like to save them in an other text file. Can someone help me to...

09 December 2014 1,353 3 View

Could someone help me to use the attached code?

I am interested to use relevance feedback. I would like to use the MATLAB code of image retrieval with relevance feedback. My problem is regarding the dataset, "corel100.mat". How can I get it? I...

03 November 2014 2,733 4 View

Hi, can anyone help me to understand the image classification?

I would like to classify a set of medical images in two classes (malignant and benign) using a neural network and SVM. How do I define the criterion for neural network classification? Is this is...

29 October 2014 2,467 4 View

Can I use the resulted weights to select the most discriminative features?

I classify a set of images using neural neural network. I am training a simple neural network with 4 inputs (image features), 1 output and 5 hidden layer with 10 nodes in it. My weight matrices...

30 September 2014 5,928 3 View

Can I use neural networks to select the relevant visual features of a given image (feature selection)? If yes, how?

I would like to select the relevant and irrelevant features of an image based on neural network. How do I do that?

14 July 2014 8,511 1 View

How can I compute the similarity measure from feature selection, and use it for image retrieval?

my aim is towfold: -computing the similarity measure , through neural network , from the relevant and non relvant skin lesion image database. -use this measure to retrieve set of images. so, how...

25 June 2014 9,365 7 View

Can I use relevance feedback to select the most discriminative unhealthy skin structures?

i must use the relevance feedback for skin lesion images to select the relevant and irrelevant patterns. can i do that? and how? could you please correct me if i am wrong: the non dscriminative...

25 June 2014 5,789 1 View

How do we evaluate the performance of detection algorithms on a set of images?

Is it correct to use the mean and standard deviation for that?

10 June 2014 1,767 3 View

I need ground truth for Eczema and Psoriasis image recognition to remove hair. Can you help?

Is there a method for hair removal? If not, can I do it manually?

10 June 2014 8,701 1 View

What are efficient methods for skin dermatological image preprocessing?

Are there standard methods for skin dermatological image preprocessing? And how to achieve efficient methods with minimum operation?

05 June 2014 8,471 11 View