added adaptive threshold external

svn path=/trunk/externals/pdp_opencv/; revision=12000

1 files changed, 97 insertions, 0 deletions

diff --git a/pdp_opencv_athreshold-help.pd b/pdp_opencv_athreshold-help.pd
new file mode 100644
index 0000000..39319ed
--- /dev/null
+++ b/pdp_opencv_athreshold-help.pd
@@ -0,0 +1,97 @@
+#N canvas 15 96 1039 729 10;
+#X obj 11 -57 cnv 15 750 250 empty empty empty 20 12 0 14 -260097 -66577
+0;
+#X obj 251 -17 tgl 15 0 empty empty empty 17 7 0 10 -262144 -1 -1 0
+1;
+#X obj 251 10 metro 40;
+#X msg 341 37 close;
+#X obj 271 108 pdp_v4l;
+#X msg 328 5 open /dev/video0;
+#X obj 440 -22 tgl 15 0 empty empty empty 17 7 0 10 -262144 -1 -1 0
+1;
+#X obj 440 5 metro 40;
+#X msg 521 24 close;
+#X msg 517 0 open /dev/video0;
+#X obj 461 104 pdp_v4l2;
+#X msg 526 79 format \$1;
+#X obj 527 57 hradio 15 1 0 4 empty empty empty 0 -8 0 10 -262144 -1
+-1 0;
+#X obj 41 158 pdp_qt;
+#X obj 74 94 metro 40;
+#X msg 74 66 bang;
+#X msg 115 66 stop;
+#X obj 41 -3 openpanel;
+#X msg 41 22 open \$1;
+#X msg 41 -31 bang;
+#X msg 75 121 loop \$1;
+#X obj 155 121 tgl 15 0 empty empty empty 17 7 0 10 -262144 -1 -1 1
+1;
+#X obj 155 39 loadbang;
+#X text 84 -28 playing a video file;
+#X text 281 -19 Camera input;
+#X obj 101 159 hsl 128 15 0 500 0 0 empty empty empty -2 -8 0 10 -262144
+-1 -1 0 1;
+#X obj 12 201 cnv 15 750 300 empty empty empty 20 12 0 14 -258113 -66577
+0;
+#X obj 55 527 pdp_xv;
+#X floatatom 230 447 5 0 0 0 - - -;
+#X msg 198 321 mode \$1;
+#X floatatom 175 419 5 0 0 0 - - -;
+#X text 175 402 Max value used in some modes;
+#X msg 233 280 0;
+#X msg 263 300 1;
+#X text 249 321 thresholding mode ( default 0 );
+#X text 14 -120 pdp_opencv_threshold : adaptive thresholding;
+#X text 13 -74 written by Yves Degoyon ( ydegoyon@gmail.com );
+#X text 13 -109 use the average of pixels in the block of pixels to
+filter only the pixels above or below that threshold \, depending on
+the mode BINARY or BINARY:INVERTED;
+#X obj 55 458 pdp_opencv_athreshold;
+#X text 265 278 CV_THRESH_BINARY : pixel >= threshold;
+#X text 293 300 CV_THRESH_BINARY_INV :pixel <= threshold;
+#X text 228 433 blocksize ( 1 \, 3 \, 5 \, 7 \, ... );
+#X text 263 447 ( default 3 );
+#X msg 248 215 0;
+#X msg 280 230 1;
+#X msg 215 252 method \$1;
+#X text 279 251 thresholding method ( default 0 );
+#X text 280 213 CV_ADAPTIVE_THRESH_MEAN_C : mean value;
+#X text 312 230 CV_ADAPTIVE_THRESH_GAUSSIAN_C : gaussian mask;
+#X msg 185 364 dim \$1;
+#X floatatom 236 367 5 0 0 0 - - -;
+#X text 276 365 value to correct the theshold;
+#X connect 1 0 2 0;
+#X connect 2 0 4 0;
+#X connect 3 0 4 0;
+#X connect 4 0 38 0;
+#X connect 5 0 4 0;
+#X connect 6 0 7 0;
+#X connect 7 0 10 0;
+#X connect 8 0 10 0;
+#X connect 9 0 10 0;
+#X connect 10 0 38 0;
+#X connect 11 0 10 0;
+#X connect 12 0 11 0;
+#X connect 13 0 38 0;
+#X connect 14 0 13 0;
+#X connect 15 0 14 0;
+#X connect 16 0 14 0;
+#X connect 17 0 18 0;
+#X connect 18 0 13 0;
+#X connect 19 0 17 0;
+#X connect 20 0 13 0;
+#X connect 21 0 20 0;
+#X connect 22 0 21 0;
+#X connect 22 0 15 0;
+#X connect 25 0 13 1;
+#X connect 28 0 38 2;
+#X connect 29 0 38 0;
+#X connect 30 0 38 1;
+#X connect 32 0 29 0;
+#X connect 33 0 29 0;
+#X connect 38 0 27 0;
+#X connect 43 0 45 0;
+#X connect 44 0 45 0;
+#X connect 45 0 38 0;
+#X connect 49 0 38 0;
+#X connect 50 0 49 0;