379 lines
12 KiB
C++
379 lines
12 KiB
C++
/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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//
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// By downloading, copying, installing or using the software you agree to this license.
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// If you do not agree to this license, do not download, install,
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// copy or use the software.
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//
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//
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// Intel License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2000, Intel Corporation, all rights reserved.
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// Third party copyrights are property of their respective owners.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// * Redistribution's of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Redistribution's in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// * The name of Intel Corporation may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// This software is provided by the copyright holders and contributors "as is" and
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// any express or implied warranties, including, but not limited to, the implied
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// warranties of merchantability and fitness for a particular purpose are disclaimed.
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// In no event shall the Intel Corporation or contributors be liable for any direct,
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// indirect, incidental, special, exemplary, or consequential damages
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// (including, but not limited to, procurement of substitute goods or services;
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// loss of use, data, or profits; or business interruption) however caused
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// and on any theory of liability, whether in contract, strict liability,
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// or tort (including negligence or otherwise) arising in any way out of
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// the use of this software, even if advised of the possibility of such damage.
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//
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//M*/
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/*
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* performance.cpp
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*
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* Measure performance of classifier
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*/
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#include "opencv2/core.hpp"
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#include "cv.h"
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#include "highgui.h"
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#include <cstdio>
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#include <cmath>
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#include <ctime>
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#ifdef _WIN32
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/* use clock() function insted of time() */
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#define time( arg ) (((double) clock()) / CLOCKS_PER_SEC)
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#endif /* _WIN32 */
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#ifndef PATH_MAX
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#define PATH_MAX 512
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#endif /* PATH_MAX */
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typedef struct HidCascade
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{
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int size;
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int count;
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} HidCascade;
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typedef struct ObjectPos
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{
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float x;
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float y;
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float width;
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int found; /* for reference */
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int neghbors;
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} ObjectPos;
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int main( int argc, char* argv[] )
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{
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int i, j;
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char* classifierdir = NULL;
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//char* samplesdir = NULL;
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int saveDetected = 1;
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double scale_factor = 1.2;
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float maxSizeDiff = 1.5F;
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float maxPosDiff = 0.3F;
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/* number of stages. if <=0 all stages are used */
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int nos = -1, nos0;
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int width = 24;
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int height = 24;
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int rocsize;
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FILE* info;
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char* infoname;
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char fullname[PATH_MAX];
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char detfilename[PATH_MAX];
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char* filename;
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char detname[] = "det-";
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CvHaarClassifierCascade* cascade;
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CvMemStorage* storage;
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CvSeq* objects;
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double totaltime;
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infoname = (char*)"";
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rocsize = 40;
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if( argc == 1 )
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{
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printf( "Usage: %s\n -data <classifier_directory_name>\n"
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" -info <collection_file_name>\n"
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" [-maxSizeDiff <max_size_difference = %f>]\n"
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" [-maxPosDiff <max_position_difference = %f>]\n"
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" [-sf <scale_factor = %f>]\n"
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" [-ni]\n"
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" [-nos <number_of_stages = %d>]\n"
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" [-rs <roc_size = %d>]\n"
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" [-w <sample_width = %d>]\n"
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" [-h <sample_height = %d>]\n",
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argv[0], maxSizeDiff, maxPosDiff, scale_factor, nos, rocsize,
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width, height );
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return 0;
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}
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for( i = 1; i < argc; i++ )
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{
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if( !strcmp( argv[i], "-data" ) )
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{
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classifierdir = argv[++i];
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}
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else if( !strcmp( argv[i], "-info" ) )
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{
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infoname = argv[++i];
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}
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else if( !strcmp( argv[i], "-maxSizeDiff" ) )
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{
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maxSizeDiff = (float) atof( argv[++i] );
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}
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else if( !strcmp( argv[i], "-maxPosDiff" ) )
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{
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maxPosDiff = (float) atof( argv[++i] );
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}
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else if( !strcmp( argv[i], "-sf" ) )
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{
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scale_factor = atof( argv[++i] );
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}
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else if( !strcmp( argv[i], "-ni" ) )
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{
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saveDetected = 0;
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}
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else if( !strcmp( argv[i], "-nos" ) )
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{
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nos = atoi( argv[++i] );
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}
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else if( !strcmp( argv[i], "-rs" ) )
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{
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rocsize = atoi( argv[++i] );
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}
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else if( !strcmp( argv[i], "-w" ) )
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{
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width = atoi( argv[++i] );
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}
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else if( !strcmp( argv[i], "-h" ) )
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{
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height = atoi( argv[++i] );
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}
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}
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cascade = cvLoadHaarClassifierCascade( classifierdir, cvSize( width, height ) );
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if( cascade == NULL )
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{
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printf( "Unable to load classifier from %s\n", classifierdir );
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return 1;
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}
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int* numclassifiers = new int[cascade->count];
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numclassifiers[0] = cascade->stage_classifier[0].count;
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for( i = 1; i < cascade->count; i++ )
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{
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numclassifiers[i] = numclassifiers[i-1] + cascade->stage_classifier[i].count;
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}
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storage = cvCreateMemStorage();
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nos0 = cascade->count;
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if( nos <= 0 )
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nos = nos0;
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strcpy( fullname, infoname );
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filename = strrchr( fullname, '\\' );
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if( filename == NULL )
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{
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filename = strrchr( fullname, '/' );
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}
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if( filename == NULL )
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{
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filename = fullname;
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}
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else
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{
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filename++;
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}
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info = fopen( infoname, "r" );
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totaltime = 0.0;
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if( info != NULL )
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{
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int x, y;
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IplImage* img;
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int hits, missed, falseAlarms;
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int totalHits, totalMissed, totalFalseAlarms;
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int found;
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float distance;
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int refcount;
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ObjectPos* ref;
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int detcount;
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ObjectPos* det;
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int error=0;
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int* pos;
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int* neg;
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pos = (int*) cvAlloc( rocsize * sizeof( *pos ) );
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neg = (int*) cvAlloc( rocsize * sizeof( *neg ) );
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for( i = 0; i < rocsize; i++ ) { pos[i] = neg[i] = 0; }
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printf( "+================================+======+======+======+\n" );
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printf( "| File Name | Hits |Missed| False|\n" );
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printf( "+================================+======+======+======+\n" );
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totalHits = totalMissed = totalFalseAlarms = 0;
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while( !feof( info ) )
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{
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if( fscanf( info, "%s %d", filename, &refcount ) != 2 || refcount <= 0 ) break;
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img = cvLoadImage( fullname );
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if( !img ) continue;
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ref = (ObjectPos*) cvAlloc( refcount * sizeof( *ref ) );
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for( i = 0; i < refcount; i++ )
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{
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int w, h;
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error = (fscanf( info, "%d %d %d %d", &x, &y, &w, &h ) != 4);
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if( error ) break;
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ref[i].x = 0.5F * w + x;
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ref[i].y = 0.5F * h + y;
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ref[i].width = sqrtf( 0.5F * (w * w + h * h) );
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ref[i].found = 0;
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ref[i].neghbors = 0;
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}
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if( !error )
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{
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cvClearMemStorage( storage );
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cascade->count = nos;
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totaltime -= time( 0 );
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objects = cvHaarDetectObjects( img, cascade, storage, scale_factor, 1 );
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totaltime += time( 0 );
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cascade->count = nos0;
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detcount = ( objects ? objects->total : 0);
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det = (detcount > 0) ?
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( (ObjectPos*)cvAlloc( detcount * sizeof( *det )) ) : NULL;
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hits = missed = falseAlarms = 0;
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for( i = 0; i < detcount; i++ )
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{
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CvAvgComp r = *((CvAvgComp*) cvGetSeqElem( objects, i ));
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det[i].x = 0.5F * r.rect.width + r.rect.x;
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det[i].y = 0.5F * r.rect.height + r.rect.y;
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det[i].width = sqrtf( 0.5F * (r.rect.width * r.rect.width +
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r.rect.height * r.rect.height) );
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det[i].neghbors = r.neighbors;
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if( saveDetected )
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{
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cvRectangle( img, cvPoint( r.rect.x, r.rect.y ),
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cvPoint( r.rect.x + r.rect.width, r.rect.y + r.rect.height ),
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CV_RGB( 255, 0, 0 ), 3 );
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}
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found = 0;
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for( j = 0; j < refcount; j++ )
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{
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distance = sqrtf( (det[i].x - ref[j].x) * (det[i].x - ref[j].x) +
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(det[i].y - ref[j].y) * (det[i].y - ref[j].y) );
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if( (distance < ref[j].width * maxPosDiff) &&
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(det[i].width > ref[j].width / maxSizeDiff) &&
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(det[i].width < ref[j].width * maxSizeDiff) )
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{
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ref[j].found = 1;
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ref[j].neghbors = MAX( ref[j].neghbors, det[i].neghbors );
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found = 1;
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}
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}
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if( !found )
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{
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falseAlarms++;
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neg[MIN(det[i].neghbors, rocsize - 1)]++;
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}
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}
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for( j = 0; j < refcount; j++ )
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{
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if( ref[j].found )
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{
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hits++;
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pos[MIN(ref[j].neghbors, rocsize - 1)]++;
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}
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else
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{
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missed++;
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}
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}
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totalHits += hits;
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totalMissed += missed;
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totalFalseAlarms += falseAlarms;
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printf( "|%32.32s|%6d|%6d|%6d|\n", filename, hits, missed, falseAlarms );
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printf( "+--------------------------------+------+------+------+\n" );
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fflush( stdout );
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if( saveDetected )
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{
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strcpy( detfilename, detname );
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strcat( detfilename, filename );
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strcpy( filename, detfilename );
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cvvSaveImage( fullname, img );
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}
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if( det ) { cvFree( &det ); det = NULL; }
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} /* if( !error ) */
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cvReleaseImage( &img );
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cvFree( &ref );
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}
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fclose( info );
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printf( "|%32.32s|%6d|%6d|%6d|\n", "Total",
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totalHits, totalMissed, totalFalseAlarms );
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printf( "+================================+======+======+======+\n" );
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printf( "Number of stages: %d\n", nos );
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printf( "Number of weak classifiers: %d\n", numclassifiers[nos - 1] );
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printf( "Total time: %f\n", totaltime );
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/* print ROC to stdout */
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for( i = rocsize - 1; i > 0; i-- )
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{
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pos[i-1] += pos[i];
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neg[i-1] += neg[i];
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}
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fprintf( stderr, "%d\n", nos );
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for( i = 0; i < rocsize; i++ )
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{
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fprintf( stderr, "\t%d\t%d\t%f\t%f\n", pos[i], neg[i],
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((float)pos[i]) / (totalHits + totalMissed),
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((float)neg[i]) / (totalHits + totalMissed) );
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}
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cvFree( &pos );
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cvFree( &neg );
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}
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delete[] numclassifiers;
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cvReleaseHaarClassifierCascade( &cascade );
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cvReleaseMemStorage( &storage );
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return 0;
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}
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