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Michael scheinfeild


Aktiv seit 2014

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computer vision and signal processing engineer
Professional Interests: chess bike

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Beantwortet
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...

etwa 9 Jahre vor | 0

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

etwa 9 Jahre vor | 0

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

etwa 9 Jahre vor | 0

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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) ...

etwa 9 Jahre vor | 3 Antworten | 0

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Antworten

Beantwortet
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...

mehr als 9 Jahre vor | 0

Beantwortet
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...

mehr als 9 Jahre vor | 0

Frage


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 ?

fast 10 Jahre vor | 1 Antwort | 0

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Frage


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...

fast 10 Jahre vor | 0 Antworten | 0

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Beantwortet
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...

fast 10 Jahre vor | 0

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

fast 10 Jahre vor | 0

Beantwortet
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);

fast 10 Jahre vor | 0

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

fast 10 Jahre vor | 0

Beantwortet
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)

fast 10 Jahre vor | 0

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

fast 10 Jahre vor | 0

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

fast 10 Jahre vor | 0

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

fast 10 Jahre vor | 1

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Frage


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...

fast 10 Jahre vor | 1 Antwort | 0

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Beantwortet
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...

fast 10 Jahre vor | 0

Beantwortet
get name in struct type
fieldnames

fast 10 Jahre vor | 1

Beantwortet
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]=...

fast 10 Jahre vor | 4

Beantwortet
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

fast 10 Jahre vor | 0

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

fast 10 Jahre vor | 0

Frage


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...

fast 10 Jahre vor | 2 Antworten | 0

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