def liuboff(encoder: nn.Module):
    sum_loss = 0
    for i, batch in enumerate(LazyLoader.mafl().test_loader):
        data = batch['data'].to(device)
        landmarks = batch["meta"]["keypts_normalized"].cuda().type(dtype=torch.float32)
        landmarks[landmarks > 1] = 0.99999
        # content = heatmap_to_measure(encoder(data))[0]
        pred_measure = UniformMeasure2DFactory.from_heatmap(encoder(data))
        target = UniformMeasure2D01(torch.clamp(landmarks, max=1))
        eye_dist = landmarks[:, 1] - landmarks[:, 0]
        eye_dist = eye_dist.pow(2).sum(dim=1).sqrt()
        # w1_loss = (handmadew1(pred_measure, target) / eye_dist).sum().item()
        # l1_loss = ((pred_measure.coord - target.coord).pow(2).sum(dim=2).sqrt().mean(dim=1) / eye_dist).sum().item()
        # print(w1_loss, l1_loss)
        sum_loss += ((pred_measure.coord - target.coord).pow(2).sum(dim=2).sqrt().mean(dim=1) / eye_dist).sum().item()
    return sum_loss / len(LazyLoader.mafl().test_dataset)
def liuboffMAFL(encoder: nn.Module):
    sum_loss = 0
    for i, batch in enumerate(LazyLoader.mafl().test_loader):
        data = batch['data'].cuda()
        landmarks = batch["meta"]["keypts_normalized"].cuda()
        landmarks[landmarks > 1] = 0.99999

        pred_measure = UniformMeasure2D01(encoder(data)["coords"])
        target = UniformMeasure2D01(torch.clamp(landmarks, max=1))

        eye_dist = landmarks[:, 1] - landmarks[:, 0]
        eye_dist = eye_dist.pow(2).sum(dim=1).sqrt()

        sum_loss += (handmadew1(pred_measure, target, 0.005) /
                     eye_dist).sum().item()

    return sum_loss / len(LazyLoader.mafl().test_dataset)
def train(generator, decoder, discriminator, encoder_HG, style_encoder, device, starting_model_number):
    latent_size = 512
    batch_size = 12
    sample_z = torch.randn(8, latent_size, device=device)
    MAFL.batch_size = batch_size
    MAFL.test_batch_size = 64
    Celeba.batch_size = batch_size

    test_img = next(LazyLoader.mafl().loader_train_inf)["data"][:8].cuda()

    loss_st: StyleGANLoss = StyleGANLoss(discriminator)
    model = CondStyleGanModel(generator, loss_st, (0.001, 0.0015))

    style_opt = optim.Adam(style_encoder.parameters(), lr=5e-4, betas=(0.9, 0.99))
    cont_opt = optim.Adam(encoder_HG.parameters(), lr=2e-5, betas=(0.5, 0.97))

    g_transforms: albumentations.DualTransform = albumentations.Compose([
        ToNumpy(),
        NumpyBatch(albumentations.Compose([
            ResizeMask(h=256, w=256),
            albumentations.ElasticTransform(p=0.7, alpha=150, alpha_affine=1, sigma=10),
            albumentations.ShiftScaleRotate(p=0.7, rotate_limit=15),
            ResizeMask(h=64, w=64),
            NormalizeMask(dim=(0, 1, 2))
        ])),
        ToTensor(device),
    ])

    R_t = DualTransformRegularizer.__call__(
        g_transforms, lambda trans_dict, img:
        # rt_loss(encoder_HG(trans_dict['image']), trans_dict['mask'])
        stariy_hm_loss(encoder_HG(trans_dict['image']), trans_dict['mask'])
    )

    R_s = UnoTransformRegularizer.__call__(
        g_transforms, lambda trans_dict, img, ltnt:
        L1("R_s")(ltnt, style_encoder(trans_dict['image']))
    )

    barycenter: UniformMeasure2D01 = UniformMeasure2DFactory.load(
        f"{Paths.default.models()}/face_barycenter_5").cuda().batch_repeat(batch_size)

    R_b = BarycenterRegularizer.__call__(barycenter, 1.0, 2.0, 4.0)
    tuner = GoldTuner([0.37, 1.55, 0.9393, 0.1264, 1.7687, 0.8648, 1.8609], device=device, rule_eps=0.01 / 2,
                      radius=0.1, active=True)

    heatmaper = ToGaussHeatMap(64, 1.0)
    sparse_bc = heatmaper.forward(barycenter.coord * 63)
    sparse_bc = nn.Upsample(scale_factor=4)(sparse_bc).sum(dim=1, keepdim=True).repeat(1, 3, 1, 1) * \
                torch.tensor([1.0, 1.0, 0.0], device=device).view(1, 3, 1, 1)
    sparse_bc = (sparse_bc - sparse_bc.min()) / sparse_bc.max()
    send_images_to_tensorboard(writer, sparse_bc, "BC", 0, normalize=False, range=(0, 1))

    trainer_gan = gan_trainer(model, generator, decoder, encoder_HG, style_encoder, R_s, style_opt, heatmaper,
                              g_transforms)
    content_trainer = content_trainer_with_gan(cont_opt, tuner, heatmaper, encoder_HG, R_b, R_t, model, generator,
                                               g_transforms)
    supervise_trainer = content_trainer_supervised(cont_opt, encoder_HG, LazyLoader.mafl().loader_train_inf)

    for i in range(100000):
        counter.update(i)

        requires_grad(encoder_HG, False)  # REMOVE BEFORE TRAINING
        real_img = next(LazyLoader.mafl().loader_train_inf)["data"].to(device) \
            if i % 5 == 0 else next(LazyLoader.celeba().loader).to(device)

        img_content = encoder_HG(real_img)
        pred_measures: UniformMeasure2D01 = UniformMeasure2DFactory.from_heatmap(img_content)
        sparse_hm = heatmaper.forward(pred_measures.coord * 63).detach()
        trainer_gan(i, real_img, pred_measures.detach(), sparse_hm.detach(), apply_g=False)
        supervise_trainer()

        if i % 4 == 0:
            # real_img = next(LazyLoader.mafl().loader_train_inf)["data"].to(device)
            trainer_gan(i, real_img, pred_measures.detach(), sparse_hm.detach(), apply_g=True)
            content_trainer(real_img)

        if i % 100 == 0:
            coefs = json.load(open("../parameters/content_loss.json"))
            print(i, coefs)
            with torch.no_grad():
                # pred_measures_test, sparse_hm_test = encoder_HG(test_img)
                content_test = encoder_HG(test_img)
                pred_measures_test: UniformMeasure2D01 = UniformMeasure2DFactory.from_heatmap(content_test)
                heatmaper_256 = ToGaussHeatMap(256, 2.0)
                sparse_hm_test = heatmaper.forward(pred_measures_test.coord * 63)
                sparse_hm_test_1 = heatmaper_256.forward(pred_measures_test.coord * 255)

                latent_test = style_encoder(test_img)

                sparce_mask = sparse_hm_test_1.sum(dim=1, keepdim=True)
                sparce_mask[sparce_mask < 0.0003] = 0
                iwm = imgs_with_mask(test_img, sparce_mask)
                send_images_to_tensorboard(writer, iwm, "REAL", i)

                fake_img, _ = generator(sparse_hm_test, [sample_z])
                iwm = imgs_with_mask(fake_img, pred_measures_test.toImage(256))
                send_images_to_tensorboard(writer, iwm, "FAKE", i)

                restored = decoder(sparse_hm_test, latent_test)
                iwm = imgs_with_mask(restored, pred_measures_test.toImage(256))
                send_images_to_tensorboard(writer, iwm, "RESTORED", i)

                content_test_256 = nn.Upsample(scale_factor=4)(sparse_hm_test).sum(dim=1, keepdim=True).repeat(1, 3, 1,
                                                                                                               1) * \
                                   torch.tensor([1.0, 1.0, 0.0], device=device).view(1, 3, 1, 1)

                content_test_256 = (content_test_256 - content_test_256.min()) / content_test_256.max()
                send_images_to_tensorboard(writer, content_test_256, "HM", i, normalize=False, range=(0, 1))

        if i % 50 == 0 and i >= 0:
            test_loss = liuboff(encoder_HG)
            # test_loss = nadbka(encoder_HG)
            tuner.update(test_loss)
            writer.add_scalar("liuboff", test_loss, i)

        if i % 10000 == 0 and i > 0:
            torch.save(
                {
                    'g': generator.module.state_dict(),
                    'd': discriminator.module.state_dict(),
                    'c': encoder_HG.module.state_dict(),
                    "s": style_encoder.state_dict()
                },
                f'{Paths.default.models()}/stylegan2_MAFL_{str(i + starting_model_number).zfill(6)}.pt',
            )
Esempio n. 4
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def train(generator, decoder, discriminator, encoder_HG, style_encoder, device,
          starting_model_number):
    latent_size = 512
    batch_size = 8
    sample_z = torch.randn(8, latent_size, device=device)
    Celeba.batch_size = batch_size
    W300DatasetLoader.batch_size = batch_size
    W300DatasetLoader.test_batch_size = 32

    test_img = next(LazyLoader.mafl().loader_train_inf)["data"][:8].cuda()

    model = CondStyleGanModel(generator, StyleGANLoss(discriminator),
                              (0.001 / 4, 0.0015 / 4))

    style_opt = optim.Adam(style_encoder.parameters(),
                           lr=5e-4,
                           betas=(0.9, 0.99))
    cont_opt = optim.Adam(encoder_HG.parameters(), lr=3e-5, betas=(0.5, 0.97))

    g_transforms: albumentations.DualTransform = albumentations.Compose([
        ToNumpy(),
        NumpyBatch(
            albumentations.Compose([
                albumentations.ElasticTransform(p=0.7,
                                                alpha=150,
                                                alpha_affine=1,
                                                sigma=10),
                albumentations.ShiftScaleRotate(p=0.9, rotate_limit=15),
            ])),
        ToTensor(device),
    ])

    g_transforms_without_norm: albumentations.DualTransform = albumentations.Compose(
        [
            ToNumpy(),
            NumpyBatch(
                albumentations.Compose([
                    albumentations.ElasticTransform(p=0.3,
                                                    alpha=150,
                                                    alpha_affine=1,
                                                    sigma=10),
                    albumentations.ShiftScaleRotate(p=0.7, rotate_limit=15),
                ])),
            ToTensor(device),
        ])

    R_t = DualTransformRegularizer.__call__(
        g_transforms, lambda trans_dict, img: coord_hm_loss(
            encoder_HG(trans_dict['image'])["coords"], trans_dict['mask']))

    R_s = UnoTransformRegularizer.__call__(
        g_transforms, lambda trans_dict, img, ltnt: WR.L1("R_s")
        (ltnt, style_encoder(trans_dict['image'])))

    barycenter: UniformMeasure2D01 = UniformMeasure2DFactory.load(
        f"{Paths.default.models()}/face_barycenter_5").cuda().batch_repeat(
            batch_size)

    R_b = BarycenterRegularizer.__call__(barycenter, 1.0, 2.0, 4.0)

    tuner = GoldTuner([0.37, 2.78, 0.58, 1.43, 3.23],
                      device=device,
                      rule_eps=0.001,
                      radius=0.3,
                      active=False)

    trainer_gan = gan_trainer(model, generator, decoder, encoder_HG,
                              style_encoder, R_s, style_opt, g_transforms)
    content_trainer = content_trainer_with_gan(cont_opt, tuner, encoder_HG,
                                               R_b, R_t, model, generator,
                                               g_transforms, decoder,
                                               style_encoder)
    # supervise_trainer = content_trainer_supervised(cont_opt, encoder_HG, LazyLoader.w300().loader_train_inf)

    for i in range(100000):
        WR.counter.update(i)

        requires_grad(encoder_HG, False)
        real_img = next(LazyLoader.mafl().loader_train_inf)["data"].to(device)

        encoded = encoder_HG(real_img)
        internal_content = encoded["skeleton"].detach()

        # trainer_gan(i, real_img, internal_content)
        # content_trainer(real_img)
        train_content(cont_opt, R_b, R_t, real_img, model, encoder_HG, decoder,
                      generator, style_encoder)
        # supervise_trainer()

        encoder_ema.accumulate(encoder_HG.module, i, 0.97)
        if i % 50 == 0 and i > 0:
            encoder_ema.write_to(encoder_HG.module)

        if i % 100 == 0:
            coefs = json.load(open("../parameters/content_loss.json"))
            print(i, coefs)
            with torch.no_grad():

                # pred_measures_test, sparse_hm_test = encoder_HG(test_img)
                encoded_test = encoder_HG(test_img)
                pred_measures_test: UniformMeasure2D01 = UniformMeasure2D01(
                    encoded_test["coords"])
                heatmaper_256 = ToGaussHeatMap(256, 1.0)
                sparse_hm_test_1 = heatmaper_256.forward(
                    pred_measures_test.coord)

                latent_test = style_encoder(test_img)

                sparce_mask = sparse_hm_test_1.sum(dim=1, keepdim=True)
                sparce_mask[sparce_mask < 0.0003] = 0
                iwm = imgs_with_mask(test_img, sparce_mask)
                send_images_to_tensorboard(WR.writer, iwm, "REAL", i)

                fake_img, _ = generator(encoded_test["skeleton"], [sample_z])
                iwm = imgs_with_mask(fake_img, pred_measures_test.toImage(256))
                send_images_to_tensorboard(WR.writer, iwm, "FAKE", i)

                restored = decoder(encoded_test["skeleton"], latent_test)
                iwm = imgs_with_mask(restored, pred_measures_test.toImage(256))
                send_images_to_tensorboard(WR.writer, iwm, "RESTORED", i)

                content_test_256 = (encoded_test["skeleton"]).repeat(1, 3, 1, 1) * \
                    torch.tensor([1.0, 1.0, 0.0], device=device).view(1, 3, 1, 1)

                content_test_256 = (content_test_256 - content_test_256.min()
                                    ) / content_test_256.max()
                send_images_to_tensorboard(WR.writer,
                                           content_test_256,
                                           "HM",
                                           i,
                                           normalize=False,
                                           range=(0, 1))

        if i % 50 == 0 and i >= 0:
            test_loss = liuboffMAFL(encoder_HG)
            print("liuboff", test_loss)
            # test_loss = nadbka(encoder_HG)
            tuner.update(test_loss)
            WR.writer.add_scalar("liuboff", test_loss, i)