Python ssim_pth Exemples

Exemple #1

Fichier : metric_utils.py Projet : esw0116/Learning-to-Extract-a-Video-Sequence-from-a-Single-Motion-Blurred-Image

def calc_metrics(im_pred, im_gt, mask=None):
    q_im_pred = quantize(im_pred.data, rgb_range=1.)
    q_im_gt = quantize(im_gt.data, rgb_range=1.)
    if mask is not None:
        q_im_pred = q_im_pred * mask
        q_im_gt = q_im_gt * mask
    psnr = calc_psnr(q_im_pred, q_im_gt, mask=mask)
    # ssim = calc_ssim(q_im_pred.cpu(), q_im_gt.cpu())  # This function using SciPy compare_ssim() is very, very slow
    ssim = ssim_pth(q_im_pred.unsqueeze(0), q_im_gt.unsqueeze(0), val_range=255)
    return psnr, ssim

Exemple #2

def calc_metrics(im_pred, im_gt, mask=None):
    q_im_pred = quantize(im_pred.data, rgb_range=1.)
    q_im_gt = quantize(im_gt.data, rgb_range=1.)
    if mask is not None:
        q_im_pred = q_im_pred * mask
        q_im_gt = q_im_gt * mask
    psnr = calc_psnr(q_im_pred, q_im_gt, mask=mask)
    # ssim = calc_ssim(q_im_pred.cpu(), q_im_gt.cpu())
    ssim = ssim_pth(q_im_pred.unsqueeze(0),
                    q_im_gt.unsqueeze(0),
                    val_range=255)
    return psnr, ssim