mustafa alnasser

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Actif depuis 2013

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patternnet algorithm for classification
Dear All; I would like to know what is the algorithm of patternnet function or how it works to classification.

presque 9 ans il y a | 1 réponse | 0

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connect the objects in binary image
Dear All ; I have the following image: <</matlabcentral/answers/uploaded_files/45059/original_image.jpg>> but when I cove...

environ 9 ans il y a | 1 réponse | 0

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Find size of template in image cross correlation
Dear All; I am using image cross correlation to determine the displacement of moving object but i have trouble to determine t...

environ 9 ans il y a | 1 réponse | 0

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Extend Field of view by joining multiple frames
Dear All; I have taken a video and then convert it to frames . Unfortunately , the field of view of the camera was smaller th...

environ 9 ans il y a | 2 réponses | 0

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réponses

Question

amplitude of non-periodic signal
Dear All; if I have a non periodic signal/wave , how can i calculate the amplitude and wavelength ?

plus de 9 ans il y a | 2 réponses | 0

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how to identify the sampling rate of signal with unknown sampling rate
Dear All; If i have a signal but i do not know the sampling rate , i need to find the power spectrum of the signal , then plo...

plus de 9 ans il y a | 1 réponse | 0

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Fill the lines in the images
Dear All; I have a line among the image and i have tried to fill using imfill but I could not do it , any idea to fill this i...

plus de 9 ans il y a | 1 réponse | 0

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Question

Data scaling in neural network
Dear All; I would like to know where MATLAB doing the input scaling using MAPMINMAX function , to change the scaling. Suppos...

plus de 9 ans il y a | 1 réponse | 0

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Deep Neural Network Learning for classification
Dear All; I am using Deep Neural Network functions ( at MATLAB2015b) for Classification but i could find a difference between...

plus de 9 ans il y a | 1 réponse | 0

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Question

Estimating object Velocity using Image Cross correlation
Dear All; I have a video file in which an object is moving and i need to find the distance that it moves between frames . I f...

plus de 9 ans il y a | 1 réponse | 0

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Question

Use Classification Neural Network Model for another Dataset
Dear All; I have built an AI model to classify the data using a dataset. Then i try to test this model to classify an external ...

plus de 9 ans il y a | 1 réponse | 0

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Question

Signal Normalization for cross correlation
Dear All; I need to do a cross correlation between two signals to find the displacement ( it is the same signal but it is mov...

plus de 9 ans il y a | 1 réponse | 0

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Question

find shift using cross correlation
Dear all; i have a confusion when i am using xcorr function in matlab , suppose i have attached two signals , is this functio...

presque 10 ans il y a | 1 réponse | 0

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Question

Cylindrical to rectangular correction in image processing
Dear All; if have an image for cylindrical object ( say pipe). when take the image of the pipe it will project as rectangular...

presque 10 ans il y a | 1 réponse | 0

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Question

Fourier series matlab function
Dear All; if i have a periodic signal , i can use Fourier series instead of Fourier transform . in matlab there FFT function ...

presque 10 ans il y a | 1 réponse | 0

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How to test the external points in Neural Network
Dear All; I have built NN model for classification problem but i need to test selected points , i have made the following co...

environ 10 ans il y a | 1 réponse | 0

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Question

Data Scaling in Neural Network
Dear All; As i far as i know that new version of NN toolbox do the data scaling between [-1 ,1] automatically how can i c...

environ 10 ans il y a | 2 réponses | 0

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Question

use svaed neural network
Dear All; I have trained a NN for pattern recognition and i saved the net . Now , Iam trying to use it in another file but i ...

plus de 10 ans il y a | 1 réponse | 0

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Question

Neural Network Normalization code
Dear All; i am using the standard NN code in matlab , i notice that without using data normalization , i get better results ,...

plus de 10 ans il y a | 1 réponse | 0

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Question

Confusion matrix results interpretation
Dear All; for the confusion matrix used in neural network , i have one column have correct results(green) and wrong results(...

plus de 10 ans il y a | 1 réponse | 0

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Question

scale range for neural network
Dear All; I have in neural network, : My input range is starting with small value , then it become big ( 1000 times of the ...

plus de 10 ans il y a | 2 réponses | 0

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how to fine correct classification for each class in NN
Dear All I have 2 questions: 1- What does false/ negative, positive rate and correct neagtive, positive rate means in NN....

plus de 10 ans il y a | 1 réponse | 0

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Question

Artifical intelligence for classification
Dear All; What are AI techniques that can be used for multi-class classification? could you advise me

plus de 10 ans il y a | 1 réponse | 0

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Question

SVM FOR MULTICLASS CLASSIFICATION
Dear All; How can I use SVM for multi class classification?

plus de 10 ans il y a | 2 réponses | 0

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Réponse apportée
Adaptive Multi-Level Threshold for image
Thank you very much for help. in fact, Adaptive threshold makes it worse . You can check the link below for the video sour...

plus de 10 ans il y a | 0

Question

Adaptive Multi-Level Threshold for image
Dear All; I have an image with non-uniform illumination , i need to use adaptive threshold to compensate for that , then use ...

plus de 10 ans il y a | 3 réponses | 0

3

réponses

Question

how to find the time lag in cross correlation
Dear All; I am trying to find time delay using cross correlation but it does not give the right answer my code: [acor1...

presque 11 ans il y a | 2 réponses | 0

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réponses

Question

Remove light reflection from the image
Dear All; I have an image for a transparent pipe but photo has a light reflection on the pipe section which makes white spot ...

presque 11 ans il y a | 1 réponse | 0

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Question

Repeated Values in matrix
Dear All; I have an array of two columns, I want to find each repeated values of y for each x value and then the max of these...

presque 11 ans il y a | 2 réponses | 0

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réponses

Question

Layer Area in the image
Dear All; I have an image of three layer, I need to calculate the area of each of them , I use the regionprop to do that but ...

presque 11 ans il y a | 1 réponse | 0

1

réponse