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mustafa alnasser


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40 total contributions since 2013

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Question


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

3 years ago | 1 answer | 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...

3 years ago | 0 answers | 0

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answers

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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...

3 years ago | 1 answer | 0

1

answer

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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...

3 years ago | 2 answers | 0

2

answers

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

4 years ago | 2 answers | 0

2

answers

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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...

4 years ago | 1 answer | 0

1

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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...

4 years ago | 1 answer | 0

1

answer

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...

4 years ago | 1 answer | 0

1

answer

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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...

4 years ago | 0 answers | 0

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answers

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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...

4 years ago | 0 answers | 0

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answers

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 ...

4 years ago | 1 answer | 0

1

answer

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...

4 years ago | 1 answer | 0

1

answer

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...

4 years ago | 1 answer | 0

1

answer

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...

4 years ago | 1 answer | 0

1

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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 ...

4 years ago | 0 answers | 0

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answers

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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...

4 years ago | 0 answers | 0

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answers

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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...

4 years ago | 2 answers | 0

2

answers

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 ...

4 years ago | 0 answers | 0

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answers

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 ,...

4 years ago | 1 answer | 0

1

answer

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(...

4 years ago | 1 answer | 0

1

answer

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 ...

4 years ago | 2 answers | 0

2

answers

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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....

5 years ago | 1 answer | 0

1

answer

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

5 years ago | 1 answer | 0

1

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

5 years ago | 2 answers | 0

2

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Answered
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...

5 years ago | 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 ...

5 years ago | 3 answers | 0

3

answers

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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...

5 years ago | 1 answer | 0

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answer

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 ...

5 years ago | 1 answer | 0

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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...

5 years ago | 2 answers | 0

2

answers

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 ...

5 years ago | 1 answer | 0

1

answer

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