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diff --git a/help/pix_opencv_blobtrack-help.pd b/help/pix_opencv_blobtrack-help.pd
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+#X text 16 160 Arguments:;
+#X obj 7 60 cnv 15 430 90 empty empty empty 20 12 0 14 -233017 -66577
+0;
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+#X text 50 19 Synopsis: [pix_opencv_blobtrack];
+#X text 71 38 Class: pix_opencv;
+#X text 17 63 Description: all-in-one blobtracker;
+#X text 28 86 [pix_opencv_blobtrack] implements a blobtracking pipeline.
+This is made by a foreground detector \, a blob detector \, a blob
+tracker and a trajectory post processor.;
+#X text 30 173 none;
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+#X obj 132 136 gemwin;
+#X obj 67 89 outlet;
+#X obj 67 10 inlet;
+#X obj 67 41 route create;
+#X msg 67 70 set destroy;
+#X msg 142 68 set create;
+#X msg 132 112 create \, 1;
+#X msg 198 112 destroy;
+#X msg 234 221 dimen 500 500;
+#X obj 295 164 loadbang;
+#X msg 279 190 dimen 640 480;
+#X connect 2 0 3 0;
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+#X restore 661 402 pd gemwin;
+#X msg 661 383 create;
+#X text 657 362 Create window:;
+#X obj 454 364 pix_texture;
+#X obj 454 30 gemhead;
+#X floatatom 531 323 5 0 0 0 blob_num - -, f 5;
+#N canvas 1054 357 709 722 showblob 0;
+#X obj 187 13 inlet blobinformation;
+#X obj 279 316 gemlist;
+#X obj 279 296 t b a;
+#X obj 291 50 gemhead 70;
+#X obj 129 258 list append;
+#X obj 124 170 list split 2;
+#X obj 124 114 list append;
+#X obj 291 73 t b a;
+#X obj 158 232 t b a;
+#X obj 279 506 translateXYZ;
+#X msg 420 349 \$2;
+#X obj 279 356 alpha 1;
+#X obj 279 466 translateXYZ -0.5 -0.5 0;
+#X obj 279 530 scaleXYZ 0.125 0.25 0;
+#X msg 459 349 \$3;
+#X msg 420 499 \$4;
+#X msg 469 472 \$5;
+#X obj 463 328 t a a;
+#X obj 279 576 circle 0.5;
+#X obj 279 426 color 1 0 0 0.2;
+#X obj 279 336 separator;
+#X msg 499 499 \$1;
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+#X msg 227 166 \$2;
+#X obj 366 622 loadbang;
+#X msg 366 641 12;
+#X msg 521 377 \$6;
+#X obj 521 399 > 0;
+#X obj 521 420 sel 1 0;
+#X msg 520 441 1 0 0 0.2;
+#X msg 540 461 0 1 0 0.2;
+#X obj 279 596 translateXYZ 0.2 0.2 0;
+#X text 348 252 here is an example on how to display blobs with Gem
+;
+#X obj 279 446 scaleXYZ 10.666 -8 0;
+#X obj 279 677 text2d;
+#X text 253 167 <- be careful ! the size of the cvblob matrix could
+change;
+#X text 335 184 please check second element to gets matrix width (number
+of value per blob);
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+#X restore 568 320 pd showblob;
+#X obj 454 124 pix_resize 320 240;
+#X obj 454 173 pix_rgba;
+#X obj 471 227 r \$0-properties;
+#X text 464 153 input format : rgba or grey;
+#N canvas 943 437 806 579 properties 0;
+#X msg 99 407 monitorStage \$1;
+#X msg 4 21 getModule;
+#X msg 4 41 getModule fg;
+#X msg 4 61 getModule bd;
+#X msg 4 81 getModule bt;
+#X msg 4 101 getModule btpp;
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+#X msg 260 194 setModule bd BD_CC;
+#X msg 27 194 setModule fg FG_0S;
+#X msg 147 194 setModule fg FG_1;
+#X text 98 342 monitoring stage :;
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+-1 0;
+#X text 117 358 input image;
+#X text 116 374 foreground mask;
+#X text 116 389 diplsay blobs;
+#X obj -35 513 s \$0-properties;
+#X obj -35 353 t a;
+#X msg -14 405 fgTrainFrames \$1;
+#X floatatom -14 378 5 0 0 0 - - -, f 5;
+#X text 72 20 post all accessibles modules and their nickname;
+#X text 108 56 post information of specific module and get the avaiblable
+variant to load;
+#X msg 12 160 setModule fg FG_1 \, setModule bd BD_Simple \, setModule
+bt CC \, setModule btpp none \, setModule bta none;
+#X msg 241 229 getParam fg;
+#X floatatom 241 257 5 0 0 0 - - -, f 5;
+#X msg 241 275 setParam fg NG \$1;
+#X text 319 222 getParam <module name> : returns all parameters for
+a given module;
+#X text 359 275 setParam <module name> <param name> <value> : set a
+module parameter \, value could be float or symbol;
+#X msg 33 222 setModule fg FG_0;
+#X floatatom 241 295 5 0 0 0 - - -, f 5;
+#X msg 241 313 setParam fg alpha1 \$1;
+#X msg 192 106 setModule fg FG_0 \, setModule bd BD_Simple \, setModule
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+0.35;
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+#X restore 595 230 pd properties;
+#X obj 454 70 pix_film;
+#X text 459 96 the bigger the image is \, the more CPU expensive the
+algo will be;
+#X text 16 202 Inlet 1 accepts a lot of messages \, here are the most
+usefull ones \, see [pd properties] for details.;
+#X text 26 232 getModule : get information about loaded modules.;
+#X text 26 252 setModule : set algorythm to use in each module.;
+#X text 26 272 monitoringStage : set the location where output image
+is taken (input \, foreground mask or input with tracking information)
+;
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+-1;
+#X text 15 321 Outlet 1 : gemstate;
+#X text 15 341 Outlet 2 :;
+#X text 35 360 blobnum : number of blobs in the current frame;
+#X text 36 376 blob matrix (follow the iem matrix standard) :;
+#X text 35 460 there are also a lots of informations about parameters
+and algorithms... check out the pd-properties;
+#X text 65 399 and for each blob : ID \, x \, y \, width \, height
+\, state (valid or not);
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+#X obj 153 62 route modulelist param;
+#X msg 55 148 fg bd bt btpp bta;
+#X obj 55 106 list prepend set;
+#X obj 55 128 list trim;
+#X msg 78 211 getModule;
+#X obj 78 236 s \$0-properties;
+#X text -59 148 available module :;
+#X msg 146 212 getParam fg;
+#X obj 217 108 print param;
+#X obj 298 96 print dumpout;
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+#X restore 645 322 pd info;
+#X obj 454 255 pix_opencv_blobtrack;
+#X text 53 388 cvblob <mtx rows (nb of blobs)> <mtx cols (6)>;
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