help me to convert code to MATLAB
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ViBe: A universal background subtraction algorithm for video sequences
/ / f i x e d p a r ame t e r s f o r ViBe
/ / number o f samp l e s p e r p i x e l
i n t N = 2 0 ;
/ / r a d i u s o f t h e s p h e r e
i n t R = 2 0 ;
/ / number o f c l o s e samp l e s f o r b e i n g
/ / p a r t o f t h e background ( bg )
i n t ]min = 2 ;
/ / amount o f random s u b s amp l i n g
i n t = 1 6 ;
/ / d a ta
i n t width , h e i g h t ;
/ / c u r r e n t image
byt e image [ wid th ] [ h e i g h t ] ;
/ / background model
byt e s amp l e s [ wid th ] [ h e i g h t ] [N ] ;
/ / background / f o r e g r o u n d s e gme n t a t i o n map
byt e segMap [ wid th ] [ h e i g h t ] ;
/ / background and f o r e g r o u n d i d e n t i f i e r s
byt e b a ck g ro u nd = 0 ;
byt e f o r e g r o u n d = 2 5 5 ;
/ / f o r each p i x e l
f o r ( i n t x = 0 ; x < wid th ; x++){
f o r ( i n t y = 0 ; y < h e i g h t ; y++) {
/ / 1 . Compare p i x e l t o background model
i n t c o u n t = 0 , i n d e x = 0 , d i s t = 0 ;
whil e ( ( c o u n t < ]min ) && ( i n d e x < N ) ) {
/ / Eu c l i d e a n d i s t a n c e c omp u t a t i o n
d i s t = E u c l i dDi s t ( image [ x ] [ y ] ,
s amp l e s [ x ] [ y ] [ i n d e x ] ) ;
i f ( d i s t < R) {
c o u n t ++;
}
i n d e x ++;
}
/ / 2 . C l a s s i f y p i x e l and u p d a t e model
i f ( c o u n t >= ]min ) {
/ / s t o r e t h a t image [ x ] [ y ] 2 background
segMap [ x ] [ y ] = b a ck g ro u nd ;
/ / 3 . Update c u r r e n t p i x e l model
/ / g e t random number b e twe en 0 and −1
i n t r an d = getRandomNumber ( 0 , −1) ;
i f ( r an d == 0 ) { / / random s u b s amp l i n g
/ / r e p l a c e randomly ch o s en sample
r an d = getRandomNumber ( 0 , N−1) ;
s amp l e s [ x ] [ y ] [ r an d ] = image [ x ] [ y ] ;
}
/ / 4 . Update n e i g h b o r i n g p i x e l model
r an d = getRandomNumber ( 0 , −1) ;
i f ( r an d == 0 ) { / / random s u b s amp l i n g
/ / ch o o s e n e i g h b o r i n g p i x e l randomly
i n t xNG , yNG ;
xNG = getRandomNeighbrXCoordinate ( x ) ;
yNG = getRandomNeighbrYCoordinate ( y ) ;
/ / r e p l a c e randomly ch o s en sample
r an d = getRandomNumber ( 0 , N−1) ;
s amp l e s [xNG ] [ yNG ] [ r an d ] = image [ x ] [ y ] ;
}
}
e l s e { / / c o u n t < ]min
/ / s t o r e t h a t image [ x ] [ y ] 2 f o r e g r o u n d
segMap [ x ] [ y ] = f o r e g r o u n d ;
}
}
}
댓글 수: 4
Eren
2016년 11월 21일
I really want ViBe in matlab too. I found this link but i don't have its account to download. if you can, please help downloading. thanks.
Diarmaid Cualain
2019년 2월 7일
Hi Eren,
If you dont have an account to download the files on that page, you can view each file individually, copy the contents to your own *.m file, and run the algorithim then. There are only three files there that you need.
답변 (1개)
Ayush
2016년 10월 2일
Best bet is to create a psedu code
also check this link if it helps!
vote if found helpful! ;)
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