{"metadata":{"kernelspec":{"language":"python","display_name":"Python 3","name":"python3"},"language_info":{"name":"python","version":"3.11.13","mimetype":"text/x-python","codemirror_mode":{"name":"ipython","version":3},"pygments_lexer":"ipython3","nbconvert_exporter":"python","file_extension":".py"},"kaggle":{"accelerator":"gpu","dataSources":[{"sourceId":25383,"databundleVersionId":2684322,"sourceType":"competition"},{"sourceId":20270,"databundleVersionId":1222630,"sourceType":"competition"},{"sourceId":9797223,"sourceType":"datasetVersion","datasetId":982170},{"sourceId":261002435,"sourceType":"kernelVersion"},{"sourceId":266774386,"sourceType":"kernelVersion"},{"sourceId":574351,"sourceType":"modelInstanceVersion","modelInstanceId":429902,"modelId":446851},{"sourceId":574363,"sourceType":"modelInstanceVersion","modelInstanceId":429911,"modelId":446860}],"dockerImageVersionId":31090,"isInternetEnabled":false,"language":"python","sourceType":"notebook","isGpuEnabled":true}},"nbformat_minor":4,"nbformat":4,"cells":[{"cell_type":"code","source":"import sys\nsys.path.append(\"../input/tez-lib/\")","metadata":{"_uuid":"8f2839f25d086af736a60e9eeb907d3b93b6e0e5","_cell_guid":"b1076dfc-b9ad-4769-8c92-a6c4dae69d19","trusted":true,"execution":{"iopub.status.busy":"2025-09-10T10:03:49.880686Z","iopub.execute_input":"2025-09-10T10:03:49.880888Z","iopub.status.idle":"2025-09-10T10:03:49.887584Z","shell.execute_reply.started":"2025-09-10T10:03:49.88087Z","shell.execute_reply":"2025-09-10T10:03:49.886871Z"}},"outputs":[],"execution_count":null},{"cell_type":"code","source":"import tez\nfrom tez import Tez, TezConfig\nimport albumentations\nimport pandas as pd\nimport cv2\nimport numpy as np\nimport timm\nimport torch.nn as nn\nfrom sklearn import metrics\nimport torch\nfrom tez.callbacks import EarlyStopping\nfrom tqdm import tqdm\nimport math","metadata":{"trusted":true,"execution":{"iopub.status.busy":"2025-09-10T10:03:49.889691Z","iopub.execute_input":"2025-09-10T10:03:49.89023Z","iopub.status.idle":"2025-09-10T10:04:35.165377Z","shell.execute_reply.started":"2025-09-10T10:03:49.890213Z","shell.execute_reply":"2025-09-10T10:04:35.16478Z"}},"outputs":[],"execution_count":null},{"cell_type":"code","source":"class args:\n    batch_size = 64#16\n    image_size = 384 #64","metadata":{"trusted":true,"execution":{"iopub.status.busy":"2025-09-10T10:04:35.166052Z","iopub.execute_input":"2025-09-10T10:04:35.16639Z","iopub.status.idle":"2025-09-10T10:04:35.170211Z","shell.execute_reply.started":"2025-09-10T10:04:35.166374Z","shell.execute_reply":"2025-09-10T10:04:35.169356Z"}},"outputs":[],"execution_count":null},{"cell_type":"code","source":"def sigmoid(x):\n    return 1 / (1 + math.exp(-x))","metadata":{"trusted":true,"execution":{"iopub.status.busy":"2025-09-10T10:04:35.171162Z","iopub.execute_input":"2025-09-10T10:04:35.171445Z","iopub.status.idle":"2025-09-10T10:04:35.191107Z","shell.execute_reply.started":"2025-09-10T10:04:35.171418Z","shell.execute_reply":"2025-09-10T10:04:35.190511Z"}},"outputs":[],"execution_count":null},{"cell_type":"code","source":"class CustomDataset:\n    def __init__(self, image_paths, dense_features, targets, augmentations):\n        self.image_paths = image_paths\n        self.dense_features = dense_features\n        self.targets = targets\n        self.augmentations = augmentations\n        \n    def __len__(self):\n        return len(self.image_paths)\n    \n    def __getitem__(self, item):\n        image = cv2.imread(self.image_paths[item])\n        image = cv2.cvtColor(image, cv2.COLOR_BGR2RGB)\n        \n        if self.augmentations is not None:\n            augmented = self.augmentations(image=image)\n            image = augmented[\"image\"]\n            \n        image = np.transpose(image, (2, 0, 1)).astype(np.float32)\n        \n        features = self.dense_features[item, :]\n        targets = self.targets[item]\n        \n        return {\n            \"image\": torch.tensor(image, dtype=torch.float),\n            \"features\": torch.tensor(features, dtype=torch.float),\n            \"targets\": torch.tensor(targets, dtype=torch.float),\n        }","metadata":{"trusted":true,"execution":{"iopub.status.busy":"2025-09-10T10:04:35.191867Z","iopub.execute_input":"2025-09-10T10:04:35.192106Z","iopub.status.idle":"2025-09-10T10:04:35.206995Z","shell.execute_reply.started":"2025-09-10T10:04:35.192083Z","shell.execute_reply":"2025-09-10T10:04:35.20627Z"}},"outputs":[],"execution_count":null},{"cell_type":"code","source":"# class PawpularModel(tez.Model):\nclass CustomModel(nn.Module):\n    def __init__(self):\n        super().__init__()        \n        self.model = timm.create_model(\"resnet50\", pretrained=False, in_chans=3)\n        self.model.fc = nn.Identity()  # Remove final layer - IMPORTANT!\n        \n        self.dropout = nn.Dropout(0.5)\n        self.out = nn.Linear(2048, 1)  # Match training: 2048 features\n        \n    def forward(self, image, features, targets=None):\n        x = self.model(image)\n        x = self.dropout(x)\n        x = self.out(x)\n        \n        if targets is not None:\n            loss = nn.BCEWithLogitsLoss()(x.view(-1), targets)\n            return x, loss, {}\n        return torch.sigmoid(x), 0, {}\n\n\n    def monitor_metrics(self, outputs, targets, loss):\n        # rmse = torch.sqrt(loss).cpu().detach().numpy()\n        rmse = loss\n        if str(rmse) == 'nan':\n            rmse = float('inf')\n        # return {\"rmse\": rmse}\n        return {\"rmse\": rmse}\n\n    def optimizer_scheduler(self):\n        opt = torch.optim.AdamW(self.parameters(), lr=2.5e-05, weight_decay=0.01)\n        sch = torch.optim.lr_scheduler.CosineAnnealingWarmRestarts(\n            opt, T_0=10, T_mult=1, eta_min=1e-6, last_epoch=-1\n        )\n        return opt,sch\n\n    # def forward(self, image, features, targets=None):\n\n    #     x = self.model(image)\n    #     x = self.dropout(x)\n    #     # x = torch.cat([x, features], dim=1)\n    #     # x = self.dropout(x)\n    #     x = self.out(x)\n    #     # x = self.dropout(x)\n    #     # x = self.out_final(x)\n\n    #     if targets is not None:\n    #         loss = nn.MSELoss()(x, targets.view(-1, 1))\n    #         metrics = self.monitor_metrics(x, targets, loss)\n    #         return x, loss, metrics\n    #     return x, 0, {}\n\n# PawpularModel()","metadata":{"trusted":true,"execution":{"iopub.status.busy":"2025-09-10T10:04:35.207859Z","iopub.execute_input":"2025-09-10T10:04:35.208336Z","iopub.status.idle":"2025-09-10T10:04:35.220515Z","shell.execute_reply.started":"2025-09-10T10:04:35.208312Z","shell.execute_reply":"2025-09-10T10:04:35.219947Z"}},"outputs":[],"execution_count":null},{"cell_type":"code","source":"test_aug = albumentations.Compose(\n    [\n        albumentations.Resize(args.image_size, args.image_size, p=1),\n        albumentations.Normalize(\n            mean=[0.485, 0.456, 0.406],\n            std=[0.229, 0.224, 0.225],\n            max_pixel_value=255.0,\n            p=1.0,\n        ),\n    ],\n    p=1.0,\n)","metadata":{"trusted":true,"execution":{"iopub.status.busy":"2025-09-10T10:04:35.222449Z","iopub.execute_input":"2025-09-10T10:04:35.22271Z","iopub.status.idle":"2025-09-10T10:04:35.237869Z","shell.execute_reply.started":"2025-09-10T10:04:35.222687Z","shell.execute_reply":"2025-09-10T10:04:35.237386Z"}},"outputs":[],"execution_count":null},{"cell_type":"code","source":"super_final_predictions = []\ni = 0\nmodel = CustomModel()\nmodel = Tez(model)\nmodel.load(f\"/kaggle/input/gowtham-23bcs10168-train-ml-project/model_f0.bin\", weights_only=True)\n\ndf_test = pd.read_csv(\"/kaggle/input/siim-isic-melanoma-classification/test.csv\")\ntest_img_paths = [f\"/kaggle/input/siim-isic-melanoma-classification/jpeg/test/{x}.jpg\" for x in df_test[\"image_name\"].values]\ndense_features = []\n\ntest_aug = albumentations.Compose(\n    [\n        albumentations.LongestMaxSize(args.image_size, p=1),\n        albumentations.PadIfNeeded(args.image_size, args.image_size, p=1, border_mode=0),\n        albumentations.Normalize(\n            mean=[0.485, 0.456, 0.406],\n            std=[0.229, 0.224, 0.225],\n            max_pixel_value=255.0,\n            p=1.0,\n        ),\n    ],\n    p=1.0,\n)\n\ntest_dataset = CustomDataset(\n    image_paths=test_img_paths,\n    dense_features=df_test[dense_features].values if dense_features else np.zeros((len(test_img_paths), 0)),\n    targets=np.ones(len(test_img_paths)),\n    augmentations=test_aug,\n)\n\ntest_predictions = model.predict(test_dataset, batch_size=2*args.batch_size, n_jobs=-1)\nfinal_test_predictions = []\nfor preds in tqdm(test_predictions):\n    final_test_predictions.extend(preds.ravel().tolist())\n\nsuper_final_predictions.append(final_test_predictions)\nsuper_final_predictions = np.mean(np.column_stack(super_final_predictions), axis=1)\n\ndf_test[\"target\"] = super_final_predictions\ndf_test = df_test[[\"image_name\", \"target\"]]\ndf_test.to_csv(\"submission.csv\", index=False)","metadata":{"trusted":true,"execution":{"iopub.status.busy":"2025-09-10T10:04:49.352586Z","iopub.execute_input":"2025-09-10T10:04:49.352869Z","iopub.status.idle":"2025-09-10T10:04:50.679082Z","shell.execute_reply.started":"2025-09-10T10:04:49.352839Z","shell.execute_reply":"2025-09-10T10:04:50.678213Z"}},"outputs":[],"execution_count":null},{"cell_type":"code","source":"df_test.head()\n","metadata":{"trusted":true,"execution":{"iopub.status.busy":"2025-09-10T10:05:10.510387Z","iopub.execute_input":"2025-09-10T10:05:10.511242Z","iopub.status.idle":"2025-09-10T10:05:10.530601Z","shell.execute_reply.started":"2025-09-10T10:05:10.51121Z","shell.execute_reply":"2025-09-10T10:05:10.529911Z"}},"outputs":[],"execution_count":null},{"cell_type":"code","source":"","metadata":{"trusted":true},"outputs":[],"execution_count":null},{"cell_type":"code","source":"","metadata":{"trusted":true},"outputs":[],"execution_count":null},{"cell_type":"code","source":"","metadata":{"trusted":true},"outputs":[],"execution_count":null},{"cell_type":"code","source":"","metadata":{"trusted":true},"outputs":[],"execution_count":null},{"cell_type":"code","source":"","metadata":{"trusted":true},"outputs":[],"execution_count":null}]}