#N canvas 591 265 632 363 10;
#X obj 0 0 doc_h;
#X obj 0 329 doc_f;
#X obj 76 49 #noise_gate_yuvs;
#X obj 3 150 doc_i 2;
#X obj 3 247 doc_o 1;
#X obj 3 88 doc_c 1;
#X obj 14 277 doc_oo 0;
#X obj 14 180 doc_ii 0;
#X obj 14 215 doc_ii 1;
#X obj 14 118 doc_cc 0;
#X obj 97 180 doc_m i0 grid;
#X text 203 44 sets pixels to (0 \, 0 \, 0) if their first component
is lower than a certain threshold.;
#X obj 97 215 doc_m i1 float;
#X obj 232 215 doc_same 0;
#X obj 97 277 doc_m o0 grid;
#X text 232 118 threshold;
#X obj 3 309 doc_also;
#X text 232 180 dim(rows \, columns \, 3): picture in signed YUV format
(or whatever else works for you);
#X text 232 277 dim(rows \, columns \, 3): filtered picture in same
format;
#X obj 97 118 doc_m c0 float;
#X connect 10 1 17 0;
#X connect 12 1 13 0;
#X connect 14 1 18 0;
#X connect 19 1 15 0;