Forums > Jitter

Video Composition based on motion tracking

February 8, 2006 | 3:45 pm

Hey Friends

This is the deal:

im building this "art-project" with MAX MSP, JITTER and SOFT VNS in which a DV camera tracks the presence of a user against a white background, and then according to this info "draws" the silohuette of this presence with a series of (miniaturized) photo stills or video loops. so the user comes in front o the camera and is faced with a shape that resembles his/her own body, but is actually composed of a multitude of videos/images.

im using SoftVNS to do the tracking. easy money. then i go to jitter where i downsample the (now binarized black and white image) so i can see the silohuette in a more squareish-pixelated way.

what i have to do now is translate these big chunks of white into images. and i have no clue as to how to do that.

can anyone point me in the right direction here? i’d be insanely grateful.

this is what i have so far

max v2;
#N vpatcher 74 44 1147 850;
#P origin 5 -29;
#P user jit.pwindow 542 394 261 268 0 1 0 0 1 0;
#P window setfont "Sans Serif" 9.;
#P window linecount 1;
#P newex 543 369 204 196617 jit.matrix fede2 4 char 640 480 @interp 0;
#P newex 209 327 30 196617 v.jit;
#P newex 209 301 27 196617 t l l;
#P newex 209 278 42 196617 v.defer;
#P user jit.pwindow 208 380 121 86 0 1 0 0 1 0;
#P newex 209 351 139 196617 jit.matrix fede 4 char 20 20;
#P newex 209 256 38 196617 v.>= 1;
#P newex 282 172 59 196617 loadmess 1;
#P newex 203 173 66 196617 loadmess 18;
#P newex 143 196 61 196617 pipe 0. 500;
#P newex 143 175 32 196617 t 1 0;
#P newex 130 224 89 196617 v.presence 0.995;
#P newex 143 154 41 196617 r reset;
#B color 6;
#P newex 130 106 44 196617 v.grays;
#P newex 69 80 41 196617 s reset;
#B color 6;
#P button 69 29 46 0;
#P toggle 130 22 46 0;
#P newex 231 49 35 196617 r vdig;
#P message 182 49 45 196617 settings;
#N v.dig ;
#X set 1382380399 2 1114794356 128 1131376244 128 1398895733 128 1215653152 128 1399353968 128 1231974516 0 1400139364 0 1146320226 1718186597 1145921902 1634758764 1147761220 1 1431393353 0 1130459209 0 1349673801 0 1296851316 0 1212312690 0 1447193714 0 1145730162 0 1399538800 1 1181904244 1 1146189153 512 1431524218 0 1179677286 0;
#P newobj 130 83 31 196617 v.dig;
#P connect 4 0 5 0;
#P connect 3 0 0 0;
#P fasten 1 0 0 0 187 75 135 75;
#P fasten 2 0 0 0 236 75 135 75;
#P connect 0 0 6 0;
#P connect 6 0 8 0;
#P connect 7 0 9 0;
#P connect 9 0 10 0;
#P connect 9 1 8 1;
#P connect 10 0 8 1;
#P connect 11 0 8 2;
#P connect 12 0 8 3;
#P connect 8 1 13 0;
#P connect 13 0 16 0;
#P connect 16 0 17 0;
#P connect 17 0 18 0;
#P connect 18 0 14 0;
#P connect 14 0 15 0;
#P connect 14 0 19 0;
#P connect 19 0 20 0;
#P pop;

thanks a lot guys
federico


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