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Michael scheinfeild


23 total contributions since 2014

computer vision and signal processing engineer
Professional Interests: chess bike

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Answered
comparing two sentences of strings
i was thinking use dtw dynamic time warping algorithm for total distance http://en.wikipedia.org/wiki/Dynamic_time_warping b...

mehr als 5 Jahre ago | 0

Answered
How to Comare coefficients of two images.
what coefficients you try to compare

mehr als 5 Jahre ago | 0

| accepted

Answered
How Can I use a string value as a parameter name?
use strcmp

mehr als 5 Jahre ago | 0

Question


comparing two sentences of strings
how i want measure between sentences of words example 1) " the monkey wants to eat banana the dog want to run after cat" 2) ...

mehr als 5 Jahre ago | 3 answers | 0

3

answers

Answered
how to convert an image into low frequency and high frequency subbands using DWT
[cA,cH,cV,cD] = dwt2(X,'wname') it gives you the sub bands you need of course it not gives all info if you take only two ban...

etwa 6 Jahre ago | 0

Answered
how compute color std fast
i realy didnt get what you mean but my idea works great even it can overcome ilumination that homomorphic transform didnt succes...

etwa 6 Jahre ago | 0

Question


crop image to another by roi
hi , i found the bounding boxes of shapes now i want to copy it to new image can i do it with imroi ?

etwa 6 Jahre ago | 1 answer | 0

1

answer

Question


digit detect method video
hi i have algorithm which can recognize digits in image, the issue is that i have video of the images and each time there is lig...

etwa 6 Jahre ago | 0 answers | 0

0

answers

Answered
problem with sum of squares optimization(sos)
http://www.mathworks.com/help/optim/ug/writing-objective-functions.html#bsj0_p7 http://www.mathworks.com/help/optim/ug/quadrati...

etwa 6 Jahre ago | 0

Answered
problem with sum of squares optimization(sos)
try family of algorithms http://www.mathworks.com/help/matlab/ref/fminsearch.html

etwa 6 Jahre ago | 0

Answered
What are the frequencies when N in fft(x,N) is odd?
if x is ampled at fs you can generate frequency vector use freqvec=linspace(0,fs,N);

etwa 6 Jahre ago | 0

Answered
Matlab display wrong received data
i havent done so but maybe its big little endian issue ? , i hope it helps

etwa 6 Jahre ago | 0

Answered
How to plot a 51*51*51 array
i think you need to look at volume visualization functions like figure,slice(Ppr,x,y,z)

etwa 6 Jahre ago | 0

Answered
How to resize an image for face detection?
its better to resize all faces to same size like 128*64

etwa 6 Jahre ago | 0

Answered
How do I get only the centroid inside the bounding box?
inpolygon

etwa 6 Jahre ago | 0

Answered
How can i find complex roots?
roots([1 -2 3]) ans = 1.0000 + 1.4142i 1.0000 - 1.4142i

etwa 6 Jahre ago | 1

| accepted

Question


is there a way to sort rectangle to 4 lines
i want to sort the points to 4 groups upper line lower line left and right please dont use hough tranbsform m=zeros(200,3...

etwa 6 Jahre ago | 1 answer | 0

1

answer

Answered
hough peaks not symmetric for rectangle
yes you right i suppose i need to write the hough transform by myself with moving window , i suppose the center should be at cen...

etwa 6 Jahre ago | 0

Answered
get name in struct type
fieldnames

etwa 6 Jahre ago | 1

Answered
Calculate equation of a curve from an image?
if all image is zeros and the line value>0. use ii=find(image(:)); after you find indexes convert it to x,y [yy,xx]=...

etwa 6 Jahre ago | 3

Answered
how can I teach a Black dot to the matlab and get similar patterns same as that of same the tought image
can you give example image of what yoy try to detect

etwa 6 Jahre ago | 0

Answered
How to save all .fig outputs in a loop with a sequential name?
name =strcat('foo',num2str(ind),'.txt')

etwa 6 Jahre ago | 0

Question


hough peaks not symmetric for rectangle
hello i use hough transform for rectangle the peaks should be symetric. but they are not symmetric around theta angle based o...

etwa 6 Jahre ago | 2 answers | 0

2

answers