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michael scheinfeild


Last seen: casi 2 años hace |  Con actividad desde 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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Respondida
How to draw normal line at given points ?
https://michaelsheinfeild.medium.com/unit-normal-vector-to-curve-d63ef0124acd

más de 3 años hace | 0

Respondida
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 ...

casi 5 años hace | 15

Respondida
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...

casi 5 años hace | 0

| aceptada

Pregunta


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...

más de 6 años hace | 0 respuestas | 0

0

respuestas

Respondida
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...

más de 6 años hace | 0

Enviada


Deepnet
Deep Learning

casi 7 años hace | 3 descargas |

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

casi 7 años hace | 0

Pregunta


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...

casi 7 años hace | 2 respuestas | 0

2

respuestas

Respondida
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

más de 8 años hace | 1

Resuelto


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...

casi 9 años hace

Resuelto


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 ...

casi 9 años hace

Respondida
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...

casi 9 años hace | 0

Pregunta


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...

casi 9 años hace | 2 respuestas | 0

2

respuestas

Pregunta


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...

alrededor de 9 años hace | 1 respuesta | 0

1

respuesta

Resuelto


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

alrededor de 9 años hace

Enviada


Deep Learning Lecture Regularization
deep learning introduction , fitting use kernel

alrededor de 9 años hace | 1 descarga |

Respondida
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...

más de 9 años hace | 0

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

más de 9 años hace | 0

Pregunta


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

más de 9 años hace | 2 respuestas | 0

2

respuestas

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

casi 10 años hace | 0

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

casi 10 años hace | 0

Pregunta


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

casi 10 años hace | 3 respuestas | 0

3

respuestas

Respondida
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

casi 10 años hace | 0

| aceptada

Respondida
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...

casi 10 años hace | 0

Pregunta


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...

casi 10 años hace | 0 respuestas | 0

0

respuestas

Respondida
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...

casi 10 años hace | 0

Respondida
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...

casi 10 años hace | 0

Respondida
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...

casi 10 años hace | 0

| aceptada

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

casi 10 años hace | 0

| aceptada

Respondida
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...

casi 10 años hace | 0

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