7
我想创建一个Haar分类器来识别对象,但是我似乎无法弄清楚每个阶段产生的结果表代表什么。OpenCV Haar分类器结果表说明
例如1
===== TRAINING 1-stage =====
<BEGIN
POS count : consumed 700 : 700
NEG count : acceptanceRatio 2500 : 0.452161
Precalculation time: 9
+----+---------+---------+
| N | HR | FA |
+----+---------+---------+
| 1| 1| 1|
+----+---------+---------+
| 2| 1| 1|
+----+---------+---------+
| 3| 1| 1|
+----+---------+---------+
| 4| 1| 1|
+----+---------+---------+
| 5| 1| 0.7432|
+----+---------+---------+
| 6| 1| 0.6312|
+----+---------+---------+
| 7| 1| 0.5112|
+----+---------+---------+
| 8| 1| 0.6104|
+----+---------+---------+
| 9| 1| 0.4488|
+----+---------+---------+
END>
例如2
===== TRAINING 2-stage =====
<BEGIN
POS count : consumed 500 : 500
NEG count : acceptanceRatio 964 : 0.182992
Precalculation time: 49
+----+---------+---------+
| N | HR | FA |
+----+---------+---------+
| 1| 1| 1|
+----+---------+---------+
| 2| 1| 1|
+----+---------+---------+
我不知道是什么N
,HR
和FA
指的是在每一种情况下。有人能解释他们的立场和意义吗?
只有一个关于%的问题。当它打印1时是1%还是100%,而0.7432是0.7%还是74%? – Colin747
这里1是100%,0.7432是74.32% –
预计算时间的单位是多少?分钟还是小时? – speedious