update,

vinniesniper-54816/task1/_lab/007-train-beach/step2_t2.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+
+set -x
+
+rm -rf xml_step2_t2/*.xml
+
+echo "clean done"
+
+opencv_traincascade \
+    -data xml_step2_t2 \
+    -vec pos.vec \
+    -bg neg.txt \
+    -numPos 100 \
+    -numNeg 300 \
+    -numStages 15 \
+    -numThreads 6 \
+    -maxFalseAlarmRate 0.5 \
+    -w 24 \
+    -h 24 \
+    -mode ALL
+
+# i want to check the maxFalseAlarmRate larger, i want to complete the 20 steps