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michael scheinfeild


Last seen: plus d'un an il y a |  Actif depuis 2010

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computer vision in IOS , opencv , and for androind image processing machine learning signal procesiing c++,c#,matlab,c Professional Interests: image processing

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Réponse apportée
How to draw normal line at given points ?
https://michaelsheinfeild.medium.com/unit-normal-vector-to-curve-d63ef0124acd

environ 3 ans il y a | 0

Réponse apportée
Error: Undefined function 'preprocessData' for input arguments of type 'cell'.
some fix needed in preprocessing , first round and be sure it is positive top left , i think maybe check box outside image will ...

plus de 4 ans il y a | 15

Réponse apportée
Neural network - target dataset
i suppose first you can normilize the train set and use it to normalize test set meant=mean(train) mint=min(train) maxt=max...

plus de 4 ans il y a | 0

| A accepté

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training deep network accuary goes to 0 ?
hi i train lstm network and receive bad accuracy during the train what parameters i can change, layers to add <</matlabcent...

plus de 6 ans il y a | 1 réponse | 0

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Réponse apportée
Error in using trainNetwork with training data and labels
hi i have similar issue and cant solve it i also look at the example <https://www.mathworks.com/help/nnet/examples/classify-se...

plus de 6 ans il y a | 0

A soumis


Deepnet
Deep Learning

plus de 6 ans il y a | 2 téléchargements |

Réponse apportée
how to find large curvature location
the file is there https://www.mathworks.com/matlabcentral/fileexchange/37388-fast-2d-peak-finder

plus de 6 ans il y a | 0

Question


how to find large curvature location
i want to detect the curve point in the lines the lines themselves not straight <</matlabcentral/answers/uploaded_files/10...

plus de 6 ans il y a | 2 réponses | 0

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Réponse apportée
Which classifier SVM or Neural Network is better for accurate results?
it dependes on your data type and amount of data, deep learning is for large amount of data. svm is easiar to start and check

environ 8 ans il y a | 1

A résolu


Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

plus de 8 ans il y a

A résolu


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

plus de 8 ans il y a

Réponse apportée
neural network to detect points in signal
<</matlabcentral/answers/uploaded_files/48690/net.png>> more complex example . the marked lines are outputs as one. they repr...

plus de 8 ans il y a | 0

Question


neural network to detect points in signal
i have two signals they look like sine wave but with some noise . in this signals of length 100 each i have 1-5 points each time...

plus de 8 ans il y a | 2 réponses | 0

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Question


folder name starts with +toolboxA what it means
hello i download some package and now inside there are folders and subfolder all starts with + so i cant add all the paths and a...

presque 9 ans il y a | 1 réponse | 0

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A résolu


Uniform binary crossover
Given two binary vectors, return the two children by combining the genes of them using a binary crossover mask. More informat...

presque 9 ans il y a

A soumis


Deep Learning Lecture Regularization
deep learning introduction , fitting use kernel

presque 9 ans il y a | 1 téléchargement |

Réponse apportée
download images from web api google
thank you but how to downloaded the images or read them ? i receive now : *x=urelread(url)* = !doctype html><html dir="rtl...

environ 9 ans il y a | 0

Réponse apportée
Statistics: column scatter plot / 2D-dot plot + mean + std dev
gscatter(x,y,group) this will plot each group in different color

environ 9 ans il y a | 0

Question


download images from web api google
hi i want to search images of trees and download them as jpg i know there is google api how yo use it for images download

environ 9 ans il y a | 2 réponses | 0

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Réponse apportée
how to create string includes '
but the length is ok so it may be helpful to me

plus de 9 ans il y a | 0

Réponse apportée
how to create string includes '
not works b='abc"' b = abc"

plus de 9 ans il y a | 0

Question


how to create string includes '
i have string ['_ ,,,77 - -'''''"''"i''-_G8" '] but it is illegal how to create it

plus de 9 ans il y a | 3 réponses | 0

3

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Réponse apportée
how can I sum 2 or more sine waves into one sine wave?
just z=x+y if x and y different lengths you can interpolate it to correct length

plus de 9 ans il y a | 0

| A accepté

Réponse apportée
Support vector Training, SVM Train
if you have 1 feuters just use histogram and fit to some Gaussian model determine the threshold it seems what you did is corre...

plus de 9 ans il y a | 0

Question


how locate words in ocr of image
hi i have result of ocr which is text and words and bounding boxes. then in all text i want to find for example date so i use r...

plus de 9 ans il y a | 1 réponse | 0

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Réponse apportée
how can i plot data of different types using matlab plot(x,y) ?
you can try to conver each of cell array by split 23/05/15 to 3 parts by search "/" the you can code it to index = year*10+mon...

plus de 9 ans il y a | 0

Réponse apportée
Subtraction between the rows of matrix
just prepare the row index before as example : a=[ 1 2 3 4; 5 6 7 8; 9 10 11 12; 13 14 15 16] a = 1 2 3...

plus de 9 ans il y a | 0

Réponse apportée
How do I calculate the impulse response?
f=100;% frequanecy fs=1000; n=[1:1000]*f/fs; u=ones(n,1) x(n)=2*cos(​0.5*pi*n).u​(n); % ~ (check indexes im not...

plus de 9 ans il y a | 0

| A accepté

Réponse apportée
How can i modelling Radar scaning area?
http://www.labbookpages.co.uk/audio/beamforming/delaySum.html

presque 10 ans il y a | 0

| A accepté

Réponse apportée
How can i modelling Radar scaning area?
hi start with beamforming create target at some range and angle determine your beamformer parameters : number staves, distance...

presque 10 ans il y a | 0

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