前段時間跑Haartraining.exe的數據生成了如下的數據:
打開0文件夾:
裏面數據如上,在此:沒有生成xml文件。
解決方案:
方案一:
個人經驗,是負樣本有問題,解決方案(成功通過):
1。卡在某一層後,按ctrl+c結束
2。更新你的負樣本
3。不要刪除已經訓練出的cascade
4。繼續訓練,請注意是否要改動-nneg參數
P.S. 要haarconv.exe郵件至:amadeuzou at gmail.com
來自:http://bbs.csdn.net/topics/340228399
方案二:
OpenCV的yahoo論壇上可以找到一個haarconv的程序,纔將分類器轉換爲xml文件。
在opencv2.4.8的文件夾裏面找到了haarconv的源碼如下(在目錄OpenCV/samples/c/convert_cascade.c):
#include "opencv2/objdetect/objdetect.hpp" #include "opencv2/highgui/highgui.hpp" #include <ctype.h> #include <stdio.h> static void help(void) { printf("\n This sample demonstrates cascade's convertation \n" "Usage:\n" "./convert_cascade --size=\"<width>x<height>\"<convertation size> \n" " input_cascade_path \n" " output_cascade_filename\n" "Example: \n" "./convert_cascade --size=640x480 ../../opencv/data/haarcascades/haarcascade_eye.xml ../../opencv/data/haarcascades/test_cascade.xml \n" ); } int main( int argc, char** argv ) { const char* size_opt = "--size="; char comment[1024]; CvHaarClassifierCascade* cascade = 0; CvSize size; help(); if( argc != 4 || strncmp( argv[1], size_opt, strlen(size_opt) ) != 0 ) { help(); return -1; } sscanf( argv[1], "--size=%ux%u", &size.width, &size.height ); cascade = cvLoadHaarClassifierCascade( argv[2], size ); if( !cascade ) { fprintf( stderr, "Input cascade could not be found/opened\n" ); return -1; } sprintf( comment, "Automatically converted from %s, window size = %dx%d", argv[2], size.width, size.height ); cvSave( argv[3], cascade, 0, comment, cvAttrList(0,0) ); return 0; } #ifdef _EiC main(1,"facedetect.c"); #endif
輸入的格式爲:
$ convert_cascade --size="<sample_width>x<sampe_height>" <haartraining_ouput_dir> <ouput_file> |
舉例:
$ convert_cascade --size="20x20" haarcascade haarcascade.xml |