我使用以下参数运行 traincascade
traincascade -data haarcascade -vec samples.vec -bg negatives.dat -nstages 20 -minhitrate 0.999
-maxfalsealarm 0.5 -npos 1000 -nneg 2000 -precalcValBufSize 1024
-precalcIdxBufSize 1024 -w 20 -h 20 -featureType LBP -mode ALL
但我得到以下输出：
PARAMETERS:
cascadeDirName: haarcascade
vecFileName: samples.vec
bgFileName: negatives.dat
numPos: 2000
numNeg: 1000
numStages: 20
precalcValBufSize[Mb] : 1024
precalcIdxBufSize[Mb] : 1024
stageType: BOOST
featureType: LBP
sampleWidth: 20
sampleHeight: 20
boostType: GAB
minHitRate: 0.995
maxFalseAlarmRate: 0.5
weightTrimRate: 0.95
maxDepth: 1
maxWeakCount: 100
===== TRAINING 0-stage =====
<BEGIN
POS count : consumed 2000 : 2000
NEG count : acceptanceRatio 1000 : 1
Precalculation time: 0.415
+----+---------+---------+
| N | HR | FA |
+----+---------+---------+
| 1| 1| 1|
+----+---------+---------+
| 2| 1| 1|
+----+---------+---------+
| 3| 1| 1|
+----+---------+---------+
| 4| 0.9995| 0.651|
+----+---------+---------+
| 5| 0.9955| 0.499|
+----+---------+---------+
END>
**OpenCV Error: Unspecified error (No element name has been given) in unknown function, file C:\opencv\build\include\opencv2/core/operations.hpp, line 2908**
任何机构都知道为什么会这样？