Method ModSearch_

jni/stasm/asm.cpp:228–261

}

Shape Mod::ModSearch_(            // returns coords of the facial landmarks
        const Shape& startshape,  // in: startshape roughly positioned on face
        const Image& img,         // in: grayscale image (typically just ROI)
        const Shape* pinnedshape) // in: pinned landmarks, NULL if nothing pinned
const
{
    Image scaledimg;         // image scaled to fixed eye-mouth distance
    const double imgscale = GetPrescale(startshape);

    // TODO This resize is quite slow (cv::INTER_NEAREST is even slower, why?).
    cv::resize(img, scaledimg,
               cv::Size(), imgscale, imgscale, cv::INTER_LINEAR);

    TraceShape(startshape * imgscale, scaledimg, 0, -1, "start");

    vector<Image> pyr;       // image pyramid (a vec of images, one for each pyr lev)
    CreatePyr(pyr, scaledimg, N_PYR_LEVS);

    Shape shape(startshape * imgscale * GetPyrScale(N_PYR_LEVS));

    Shape pinned;            // pinnedshape scaled to current pyr lev
    if (pinnedshape)
        pinned = *pinnedshape * imgscale * GetPyrScale(N_PYR_LEVS);

    for (int ilev = N_PYR_LEVS-1; ilev >= 0; ilev--)
    {
        shape  *= PYR_RATIO; // scale shape to this pyr lev
        pinned *= PYR_RATIO;

        LevSearch_(shape,
                   ilev, pyr[ilev], pinned);
    }
    return shape / imgscale;
}

} // namespace stasm