OpenCV 2.4.9 OS X 16GB RAM. Any ideas why this crash? I've trained successfully with same data using feature size 20/30 and 20/20 with the buffers set to 4096. It seg faulted on 4096 with the new size 30/40 so I increased the buffers a bit.
Output:
PARAMETERS:
cascadeDirName: classifier
vecFileName: samples.vec
bgFileName: negatives.txt
numPos: 1062
numNeg: 5854
numStages: 18
precalcValBufSize[Mb] : 7000
precalcIdxBufSize[Mb] : 7000
stageType: BOOST
featureType: HAAR
sampleWidth: 30
sampleHeight: 40
boostType: GAB
minHitRate: 0.99
maxFalseAlarmRate: 0.5
weightTrimRate: 0.95
maxDepth: 1
maxWeakCount: 100
mode: ALL
===== TRAINING 0-stage =====
BEGIN
POS count : consumed 1062 : 1062
NEG count : acceptanceRatio 5854 : 1
Precalculation time: 73
+----+---------+---------+
| N | HR | FA |
+----+---------+---------+
train.sh: line 31: 25978 Segmentation fault: 11 opencv_traincascade -featureType HAAR -data classifier -vec samples.vec -bg negatives.txt -numStages $5 -minHitRate 0.99 -maxFalseAlarmRate 0.5 -numPos $nsamples -numNeg $nneg -w $3 -h $4 -mode ALL -precalcValBufSize 7000 -precalcIdxBufSize 7000