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Train Cascade parameters calculations issue

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I am training a cascade classifier using opencv. I have **56** positive and **120** negative samples. Their dimensions are 40 * 50 pixels. The code that I used to make the samples was: E:\openCV\opencv\build\x64\vc12\bin\opencv_createsamples.exe -info pos.txt -vec SAMP.vec -num 56 -w 40 -h 50 and the traning code is : E:\openCV\opencv\build\x64\vc12\bin\opencv_traincascade.exe -data classifier -vec SAMP.vec -bg neg.txt -featureType HAAR -numStages 12 -minHitRate 0.999 -maxFalseAlarmRate 0.5 -numPos 40 -numNeg 120 -w 40 -h 50 -mode ALL -precalcValBufSize 1024 -precalcIdxBufSize 1024 The training is showing this message: ![image description](/upfiles/14416380881073117.png) **===== TRAINING 4-stage =====** **BEGIN** **POS count : consumed 40 : 45** **_** and no matter how long i wait, nothing happens. **1. Is there any problem in my code?** **2. Does this equation has any thing to do in my code :** **vec-file has to contain >= (numPose + (numStages-1) * (1 - minHitRate) * numPose) + S ??** **I still cant figure out the S, what it really means? how to calculate the S?**

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