Esempio n. 1
0
/*
// Getting feature pyramid
//
// API
// int getFeaturePyramid(IplImage * image, const filterObject **all_F,
                      const int n_f,
                      const int lambda, const int k,
                      const int startX, const int startY,
                      const int W, const int H, featurePyramid **maps);
// INPUT
// image             - image
// OUTPUT
// maps              - feature maps for all levels
// RESULT
// Error status
*/
int getFeaturePyramid(IplImage * image, CvLSVMFeaturePyramid **maps)
{
    IplImage *imgResize;
    float step;
    int   numStep;
    int   maxNumCells;
    int   W, H;

    if(image->depth == IPL_DEPTH_32F)
    {
        imgResize = image;
    }
    else
    {
        imgResize = cvCreateImage(cvSize(image->width , image->height) ,
                                  IPL_DEPTH_32F , 3);
        cvConvert(image, imgResize);
    }

    W = imgResize->width;
    H = imgResize->height;

    step = powf(2.0f, 1.0f / ((float)LAMBDA));
    maxNumCells = W / SIDE_LENGTH;
    if( maxNumCells > H / SIDE_LENGTH )
    {
        maxNumCells = H / SIDE_LENGTH;
    }
    numStep = (int)(logf((float) maxNumCells / (5.0f)) / logf( step )) + 1;

    allocFeaturePyramidObject(maps, numStep + LAMBDA);

    getPathOfFeaturePyramid(imgResize, step   , LAMBDA, 0,
                            SIDE_LENGTH / 2, maps);
    getPathOfFeaturePyramid(imgResize, step, numStep, LAMBDA,
                            SIDE_LENGTH    , maps);

    if(image->depth != IPL_DEPTH_32F)
    {
        cvReleaseImage(&imgResize);
    }

    return LATENT_SVM_OK;
}
int getFeaturePyramid(IplImage * image, CvLSVMFeaturePyramid **maps,
        const int bx, const int by)
{
    IplImage *imgResize;
    float step;
    unsigned int numStep;
    unsigned int maxNumCells;
    unsigned int W, H;

    if (image->depth == IPL_DEPTH_32F)
    {
        imgResize = image;
    }
    else
    {
        imgResize = cvCreateImage(cvSize(image->width, image->height),
                IPL_DEPTH_32F, 3);
        cvConvert(image, imgResize);
    }

    W = imgResize->width;
    H = imgResize->height;

    step = powf(2.0f, 1.0f / ((float) Lambda));
    maxNumCells = W / Side_Length;
    if (maxNumCells > H / Side_Length)
    {
        maxNumCells = H / Side_Length;
    }
    numStep = (int) (logf((float) maxNumCells / (5.0f)) / logf(step)) + 1;

    allocFeaturePyramidObject(maps, numStep + Lambda);

#ifdef PROFILE
    TickMeter tm;

    tm.start();
    cout << "(featurepyramid.cpp)getPathOfFeaturePyramid START " << endl;
#endif

    uploadImageToGPU1D(imgResize);

    getPathOfFeaturePyramidGPUStream(imgResize, step , Lambda, 0,
            Side_Length / 2, bx, by, maps);

    getPathOfFeaturePyramidGPUStream(imgResize, step, numStep, Lambda,
            Side_Length , bx, by, maps);

    cleanImageFromGPU1D();

#ifdef PROFILE
    tm.stop();
    cout << "(featurepyramid.cpp)getPathOfFeaturePyramid END time = "
            << tm.getTimeSec() << " sec" << endl;
#endif

    if (image->depth != IPL_DEPTH_32F)
    {
        cvReleaseImage(&imgResize);
    }

    return LATENT_SVM_OK;
}
/*
// Getting feature pyramid  
//
// API
// int getFeaturePyramid(IplImage * image, const filterObject **all_F, 
                      const int n_f,
                      const int lambda, const int k, 
                      const int startX, const int startY, 
                      const int W, const int H, featurePyramid **maps);
// INPUT
// image             - image
// lambda            - resize scale
// k                 - size of cells
// startX            - X coordinate of the image rectangle to search
// startY            - Y coordinate of the image rectangle to search
// W                 - width of the image rectangle to search
// H                 - height of the image rectangle to search
// OUTPUT
// maps              - feature maps for all levels
// RESULT
// Error status
*/
int getFeaturePyramid(IplImage * image,
                      const int lambda, const int k, 
                      const int startX, const int startY, 
                      const int W, const int H, CvLSVMFeaturePyramid **maps)
{
    IplImage *img2, *imgTmp, *imgResize;
    float   step, tmp;
    int      cntStep;
    int      maxcall;
    int i;
    int err;
    CvLSVMFeatureMap *map;
    
    //geting subimage
    cvSetImageROI(image, cvRect(startX, startY, W, H));
    img2 = cvCreateImage(cvGetSize(image), image->depth, image->nChannels);
    cvCopy(image, img2, NULL);
    cvResetImageROI(image);

    if(img2->depth != IPL_DEPTH_32F)
    {
        imgResize = cvCreateImage(cvSize(img2->width , img2->height) , IPL_DEPTH_32F , 3);
        cvConvert(img2, imgResize);
    }
    else
    {
        imgResize = img2;
    }
    
    step = powf(2.0f, 1.0f/ ((float)lambda));
    maxcall = W/k;
    if( maxcall > H/k )
    {
        maxcall = H/k;
    }
    cntStep = (int)(logf((float)maxcall/(5.0f))/logf(step)) + 1;
    //printf("Count step: %f %d\n", step, cntStep);

    allocFeaturePyramidObject(maps, lambda, cntStep + lambda);

    for(i = 0; i < lambda; i++)
    {
        tmp = 1.0f / powf(step, (float)i);
        imgTmp = resize_opencv (imgResize, tmp);
        //imgTmp = resize_article_dp(img2, tmp, 4);
        err = getFeatureMaps_dp(imgTmp, 4, &map);
        err = normalizationAndTruncationFeatureMaps(map, 0.2f);
        err = PCAFeatureMaps(map);
        (*maps)->pyramid[i] = map;
        //printf("%d, %d\n", map->sizeY, map->sizeX);
        cvReleaseImage(&imgTmp);
    }

    /**********************************one**************/
    for(i = 0; i <  cntStep; i++)
    {
        tmp = 1.0f / powf(step, (float)i);
        imgTmp = resize_opencv (imgResize, tmp);
        //imgTmp = resize_article_dp(imgResize, tmp, 8);
	    err = getFeatureMaps_dp(imgTmp, 8, &map);
        err = normalizationAndTruncationFeatureMaps(map, 0.2f);
        err = PCAFeatureMaps(map);
        (*maps)->pyramid[i + lambda] = map;
        //printf("%d, %d\n", map->sizeY, map->sizeX);
		cvReleaseImage(&imgTmp);
    }/*for(i = 0; i < cntStep; i++)*/

    if(img2->depth != IPL_DEPTH_32F)
    {
        cvReleaseImage(&imgResize);
    }

    cvReleaseImage(&img2);
    return LATENT_SVM_OK;
}