added adaptive threshold

svn path=/trunk/externals/pix_opencv/; revision=12149

1 files changed, 122 insertions, 0 deletions

diff --git a/pix_opencv_athreshold-help.pd b/pix_opencv_athreshold-help.pd
new file mode 100755
index 0000000..7e40898
--- /dev/null
+++ b/pix_opencv_athreshold-help.pd
@@ -0,0 +1,122 @@
+#N canvas 355 82 925 684 10;
+#X obj 277 -24 gemhead;
+#X obj 183 555 pix_texture;
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+-1 -1;
+#X floatatom 209 83 5 0 10000 1 frame# - -;
+#X obj 170 -28 openpanel;
+#X msg 170 -8 open \$1;
+#X obj 158 101 pix_film;
+#X msg 176 35 auto \$1;
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+;
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+#X text 562 202 Create window and render;
+#X msg 187 58 colorspace Grey;
+#X obj 183 508 pix_opencv_athreshold;
+#X floatatom 360 498 5 0 0 0 - - -;
+#X msg 298 405 mode \$1;
+#X floatatom 318 472 5 0 0 0 - - -;
+#X text 318 458 Max value used in some modes;
+#X msg 333 364 0;
+#X msg 363 384 1;
+#X text 349 405 thresholding mode ( default 0 );
+#X text 365 362 CV_THRESH_BINARY : pixel >= threshold;
+#X text 393 384 CV_THRESH_BINARY_INV :pixel <= threshold;
+#X text 358 484 blocksize ( 1 \, 3 \, 5 \, 7 \, ... );
+#X text 393 498 ( default 3 );
+#X msg 273 308 0;
+#X msg 305 323 1;
+#X msg 240 345 method \$1;
+#X text 304 344 thresholding method ( default 0 );
+#X text 305 306 CV_ADAPTIVE_THRESH_MEAN_C : mean value;
+#X text 337 323 CV_ADAPTIVE_THRESH_GAUSSIAN_C : gaussian mask;
+#X msg 319 427 dim \$1;
+#X floatatom 370 430 5 0 0 0 - - -;
+#X text 410 428 value to correct the theshold;
+#X text 399 86 written by Yves Degoyon ( ydegoyon@gmail.com );
+#X text 399 51 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 text 400 40 pix_opencv_threshold : adaptive thresholding;
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