update,

vinniesniper-54816/task1/_lab/007-test-beach.old/step2_t3.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+set -x
+
+rm -rf xml_step2_t3/*.xml
+
+echo "clean done"
+
+opencv_traincascade \
+    -data xml_step2_t3 \
+    -vec pos.vec \
+    -bg neg.txt \
+    -numPos 50 \
+    -numNeg 198 \
+    -numStages 20 \
+    -w 20 \
+    -h 20 \
+    -mode ALL
+
+# -maxFalseAlarmRate 0.5 \
+# i want to know how well can be achieve the 20 steps