From 4ccb702cb9159dc2052095ccd401f43b281e07ea Mon Sep 17 00:00:00 2001
From: "N.N." <sevyves@users.sourceforge.net>
Date: Tue, 16 Jun 2009 02:24:06 +0000
Subject: added discrete fourier transform

svn path=/trunk/externals/pdp_opencv/; revision=11783
---
 pdp_opencv_dft-help.pd | 159 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 159 insertions(+)
 create mode 100755 pdp_opencv_dft-help.pd

(limited to 'pdp_opencv_dft-help.pd')

diff --git a/pdp_opencv_dft-help.pd b/pdp_opencv_dft-help.pd
new file mode 100755
index 0000000..a9ce5d8
--- /dev/null
+++ b/pdp_opencv_dft-help.pd
@@ -0,0 +1,159 @@
+#N canvas 1 49 1424 780 10;
+#X obj -191 -148 cnv 15 621 250 empty empty empty 20 12 0 14 -260097
+-66577 0;
+#X obj -175 -111 tgl 15 0 empty empty empty 17 7 0 10 -262144 -1 -1
+0 1;
+#X obj -175 -84 metro 40;
+#X msg -130 -28 close;
+#X obj -155 14 pdp_v4l;
+#X msg -137 -55 open /dev/video0;
+#X obj -30 -111 tgl 15 0 empty empty empty 17 7 0 10 -262144 -1 -1
+0 1;
+#X obj -30 -84 metro 40;
+#X msg 34 -65 close;
+#X msg 30 -89 open /dev/video0;
+#X obj -10 14 pdp_v4l2;
+#X msg 31 -13 format \$1;
+#X obj 32 -35 hradio 15 1 0 4 empty empty empty 0 -8 0 10 -262144 -1
+-1 0;
+#X text -145 -113 Camera input;
+#X text -188 -181 written by yves degoyon ( ydegoyon@gmail.com );
+#X text 376 -143 input 1;
+#X obj 447 -146 cnv 15 250 250 empty empty empty 20 12 0 14 -260097
+-66577 0;
+#X obj 480 -94 openpanel;
+#X msg 461 -123 bang;
+#X obj 460 -26 pdp_background;
+#X obj 460 51 pdp_imgloader;
+#X obj 460 -49 metro 40;
+#X msg 479 -70 load \$1 0 0;
+#X floatatom 555 -24 5 0 0 0 - - -;
+#X text 507 -124 loading a pattern image;
+#X text 455 -143 input 2 ( pattern );
+#X obj 55 186 pdp_opencv_dft;
+#X obj 462 179 pdp_opencv_dft;
+#X obj -11 43 pdp_scale 320 240;
+#X msg 99 156 bang;
+#X msg 480 152 bang;
+#X obj 191 390 pdp_xv;
+#X obj 298 340 pdp_hue;
+#X floatatom 298 367 5 0 0 0 - - -;
+#X obj 460 81 pdp_xv;
+#X obj -11 74 pdp_xv;
+#X floatatom 325 254 5 0 0 0 - - -;
+#X obj 189 352 pdp_xor;
+#X text 425 435 <- average value of pixels;
+#X text 445 461 the input image is close to the pattern;
+#X obj 265 155 metro 1000;
+#X obj 265 131 bng 15 250 50 0 empty empty empty 17 7 0 10 -262144
+-1 -1;
+#X obj 222 251 loadbang;
+#X obj 300 301 pdp_binary ----------------;
+#X obj 123 301 pdp_binary --------------;
+#X obj 264 105 loadbang;
+#X text -187 -211 pdp_opencv_dft : discrete fourier transform;
+#X text -187 -197 this can be used for pattern matching;
+#X obj 460 21 pdp_scale 320 240;
+#X obj 460 -2 pdp_convert image/YCrCb/*;
+#X obj 328 460 route 1;
+#X msg 380 460 bang;
+#X floatatom 383 436 5 0 0 0 - - -;
+#X obj 301 460 <;
+#X obj 300 386 t f b;
+#X obj 347 411 f;
+#X text 445 448 when it's close to its minimum;
+#X obj 216 65 pdp_qt;
+#X obj 249 1 metro 40;
+#X msg 249 -27 bang;
+#X msg 290 -27 stop;
+#X obj 216 -96 openpanel;
+#X msg 216 -71 open \$1;
+#X msg 216 -124 bang;
+#X msg 250 28 loop \$1;
+#X obj 330 28 tgl 15 0 empty empty empty 17 7 0 10 -262144 -1 -1 1
+1;
+#X obj 330 -54 loadbang;
+#X text 259 -121 playing a video file;
+#X text 506 -112 ( try chini.jpg );
+#X text 281 -108 ( try chini.mov );
+#X obj 314 435 f 1000;
+#X msg 264 65 105;
+#X msg 292 65 bang;
+#X msg 525 -49 1000;
+#X obj 566 -51 s max;
+#X obj 378 411 r max;
+#X msg 284 252 60;
+#X obj 80 356 pdp_xv;
+#X text 369 254 Threshold the fft to eliminate noise;
+#X text 369 266 60 is a godd value to eliminate noise;
+#X text 369 277 and keep meaningful points;
+#X connect 1 0 2 0;
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-- 
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