{"metadata":{"kernelspec":{"language":"python","display_name":"Python 3","name":"python3"},"language_info":{"name":"python","version":"3.10.14","mimetype":"text/x-python","codemirror_mode":{"name":"ipython","version":3},"pygments_lexer":"ipython3","nbconvert_exporter":"python","file_extension":".py"},"kaggle":{"accelerator":"gpu","dataSources":[{"sourceId":3362,"databundleVersionId":31148,"sourceType":"competition"}],"dockerImageVersionId":30762,"isInternetEnabled":true,"language":"python","sourceType":"notebook","isGpuEnabled":true}},"nbformat_minor":4,"nbformat":4,"cells":[{"cell_type":"markdown","source":"# 1- Import Libraries","metadata":{}},{"cell_type":"code","source":"import os\nimport numpy as np\nimport pandas as pd\nimport random as rnd\nimport matplotlib.pyplot as plt\n%matplotlib inline\n\nfrom sklearn.model_selection import train_test_split\n\nimport keras\nfrom keras.models import Sequential\nfrom keras.utils import to_categorical\nfrom keras.preprocessing.image import load_img\nfrom keras.layers import Flatten, Dense, Dropout\nfrom keras.layers import Conv2D, MaxPool2D, BatchNormalization, Activation\n\nfrom tensorflow.keras.preprocessing.image import ImageDataGenerator\n\nprint(os.listdir(\"/kaggle/input/dogs-vs-cats\"))","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:10:34.326796Z","iopub.execute_input":"2024-10-31T14:10:34.327512Z","iopub.status.idle":"2024-10-31T14:10:34.337948Z","shell.execute_reply.started":"2024-10-31T14:10:34.327473Z","shell.execute_reply":"2024-10-31T14:10:34.336889Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"# 2- Data-Constants","metadata":{}},{"cell_type":"code","source":"FAST_RUN = False\nIMAGE_WIDTH=128\nIMAGE_HEIGHT=128\nIMAGE_CHANNELS=3\nIMAGE_SIZE=(IMAGE_WIDTH, IMAGE_HEIGHT)\n\nprint(FAST_RUN, IMAGE_WIDTH, IMAGE_HEIGHT, IMAGE_CHANNELS, IMAGE_SIZE)","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:10:40.236586Z","iopub.execute_input":"2024-10-31T14:10:40.236945Z","iopub.status.idle":"2024-10-31T14:10:40.242745Z","shell.execute_reply.started":"2024-10-31T14:10:40.236912Z","shell.execute_reply":"2024-10-31T14:10:40.241752Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"# 3- Load DataSet","metadata":{}},{"cell_type":"code","source":"import zipfile\n\nzip_files = ['test1', 'train']\n\nfor zip_file in zip_files:\n     with zipfile.ZipFile(f\"../input/dogs-vs-cats/{zip_file}.zip\", \"r\") as z:\n         z.extractall(\".\")\n         print(f\"{zip_file} unzipped\")","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:10:42.479163Z","iopub.execute_input":"2024-10-31T14:10:42.480083Z","iopub.status.idle":"2024-10-31T14:10:54.750615Z","shell.execute_reply.started":"2024-10-31T14:10:42.480037Z","shell.execute_reply":"2024-10-31T14:10:54.749653Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"> ## Extract Compressed Files","metadata":{}},{"cell_type":"code","source":"import zipfile\n\npath = \"/kaggle/input/dogs-vs-cats\"\nfor zip_file in os.listdir(path)[:2]:\n    zipfile.ZipFile(f\"{path}/{zip_file}\", 'r').extractall(\".\")\n#     print(f\"{path}/{zip_file}\")\n    print(f\"{zip_file} unzipped\")","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:11:04.773082Z","iopub.execute_input":"2024-10-31T14:11:04.773378Z","iopub.status.idle":"2024-10-31T14:11:14.376854Z","shell.execute_reply.started":"2024-10-31T14:11:04.773344Z","shell.execute_reply":"2024-10-31T14:11:14.375907Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"# 4- Data Preprocessing","metadata":{}},{"cell_type":"markdown","source":"> ## Label Encoding","metadata":{}},{"cell_type":"code","source":"train_images = os.listdir(\"/kaggle/working/train\")\nCATEGORIES = []\n\nfor image_name in train_images:\n    class_name = image_name.split('.')[0]  # cat.588.jpg\n    CATEGORIES.append(0 if class_name=='cat' else 1)\n\ndf = pd.DataFrame({\"train_images\": train_images, \"CATEGORIES\": CATEGORIES})\n\nprint(f\"df {df}\")","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:11:26.996864Z","iopub.execute_input":"2024-10-31T14:11:26.997245Z","iopub.status.idle":"2024-10-31T14:11:27.059888Z","shell.execute_reply.started":"2024-10-31T14:11:26.997209Z","shell.execute_reply":"2024-10-31T14:11:27.058891Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"> ## Show DataFrame","metadata":{}},{"cell_type":"code","source":"df.head(15)","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:11:29.397128Z","iopub.execute_input":"2024-10-31T14:11:29.398102Z","iopub.status.idle":"2024-10-31T14:11:29.408980Z","shell.execute_reply.started":"2024-10-31T14:11:29.398059Z","shell.execute_reply":"2024-10-31T14:11:29.408093Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"code","source":"df.tail(10)","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:11:31.886486Z","iopub.execute_input":"2024-10-31T14:11:31.886866Z","iopub.status.idle":"2024-10-31T14:11:31.896536Z","shell.execute_reply.started":"2024-10-31T14:11:31.886829Z","shell.execute_reply":"2024-10-31T14:11:31.895531Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"code","source":"df.describe()","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:11:33.996002Z","iopub.execute_input":"2024-10-31T14:11:33.997003Z","iopub.status.idle":"2024-10-31T14:11:34.016906Z","shell.execute_reply.started":"2024-10-31T14:11:33.996949Z","shell.execute_reply":"2024-10-31T14:11:34.015973Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"code","source":"df[\"CATEGORIES\"].value_counts()","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:11:36.343870Z","iopub.execute_input":"2024-10-31T14:11:36.344686Z","iopub.status.idle":"2024-10-31T14:11:36.356452Z","shell.execute_reply.started":"2024-10-31T14:11:36.344648Z","shell.execute_reply":"2024-10-31T14:11:36.355582Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"> ## Visualize The Data","metadata":{}},{"cell_type":"code","source":"df[\"CATEGORIES\"].value_counts().plot.bar()","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:11:37.988945Z","iopub.execute_input":"2024-10-31T14:11:37.989672Z","iopub.status.idle":"2024-10-31T14:11:38.240318Z","shell.execute_reply.started":"2024-10-31T14:11:37.989631Z","shell.execute_reply":"2024-10-31T14:11:38.239089Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"> ## *From our data we have 12500 cats and 12500 dogs*","metadata":{}},{"cell_type":"markdown","source":"> ## Show Dimensions Of Images","metadata":{}},{"cell_type":"code","source":"shapes = []\n\nfor image in df[\"train_images\"]:\n    path = os.path.join(\"/kaggle/working/train\",image)\n    image_array = plt.imread(path)\n    shapes.append(image_array.shape)\n    \nprint(pd.Series(shapes).value_counts())\n\nindex = np.argmin(shapes)\nprint(f\"\\nThe Minimum Dimension is ==> {shapes[index]}\\n\")","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:11:41.267082Z","iopub.execute_input":"2024-10-31T14:11:41.267859Z","iopub.status.idle":"2024-10-31T14:12:10.963743Z","shell.execute_reply.started":"2024-10-31T14:11:41.267808Z","shell.execute_reply":"2024-10-31T14:12:10.962802Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"> ## **See sample image**\n","metadata":{}},{"cell_type":"code","source":"sample = rnd.choice(train_images)\nimage = load_img(os.path.join(\"/kaggle/working/train\", sample))\nprint(type(image))\nplt.imshow(image)\nplt.axis(\"off\")\nplt.show()\nprint(sample)","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:12:13.963452Z","iopub.execute_input":"2024-10-31T14:12:13.964305Z","iopub.status.idle":"2024-10-31T14:12:14.216168Z","shell.execute_reply.started":"2024-10-31T14:12:13.964267Z","shell.execute_reply":"2024-10-31T14:12:14.215209Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"> # Prepare data\n> Because we will use image genaretor with class_mode=\"categorical\". We need to convert column category into string. Then imagenerator will convert it one-hot encoding which is good for our classification.\n> So we will convert 1 to dog and 0 to cat","metadata":{}},{"cell_type":"code","source":"df[\"CATEGORIES\"] = df[\"CATEGORIES\"].replace({0: 'cat', 1: 'dog'})\n\nprint(df[\"CATEGORIES\"])","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:12:19.853336Z","iopub.execute_input":"2024-10-31T14:12:19.853959Z","iopub.status.idle":"2024-10-31T14:12:19.863659Z","shell.execute_reply.started":"2024-10-31T14:12:19.853920Z","shell.execute_reply":"2024-10-31T14:12:19.862684Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"> # Split Data","metadata":{}},{"cell_type":"code","source":"train_df, valid_df = train_test_split(df, test_size=0.20, random_state=42)\n\ntrain_df = train_df.reset_index(drop=True)\nvalid_df = valid_df.reset_index(drop=True)\n\nprint(train_df, valid_df)","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:12:22.066886Z","iopub.execute_input":"2024-10-31T14:12:22.067372Z","iopub.status.idle":"2024-10-31T14:12:22.089944Z","shell.execute_reply.started":"2024-10-31T14:12:22.067327Z","shell.execute_reply":"2024-10-31T14:12:22.088901Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"> # Show tarin DataFrame","metadata":{}},{"cell_type":"code","source":"train_df['CATEGORIES'].value_counts()","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:12:25.354115Z","iopub.execute_input":"2024-10-31T14:12:25.354494Z","iopub.status.idle":"2024-10-31T14:12:25.365263Z","shell.execute_reply.started":"2024-10-31T14:12:25.354457Z","shell.execute_reply":"2024-10-31T14:12:25.364274Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"code","source":"train_df['CATEGORIES'].value_counts().plot.bar()","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:12:26.819995Z","iopub.execute_input":"2024-10-31T14:12:26.820746Z","iopub.status.idle":"2024-10-31T14:12:27.037634Z","shell.execute_reply.started":"2024-10-31T14:12:26.820708Z","shell.execute_reply":"2024-10-31T14:12:27.036610Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"> # Show valid DataFrame","metadata":{}},{"cell_type":"code","source":"valid_df['CATEGORIES'].value_counts()","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:12:29.600464Z","iopub.execute_input":"2024-10-31T14:12:29.601614Z","iopub.status.idle":"2024-10-31T14:12:29.611562Z","shell.execute_reply.started":"2024-10-31T14:12:29.601566Z","shell.execute_reply":"2024-10-31T14:12:29.610438Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"code","source":"valid_df['CATEGORIES'].value_counts().plot.bar()","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:12:31.181311Z","iopub.execute_input":"2024-10-31T14:12:31.181750Z","iopub.status.idle":"2024-10-31T14:12:31.411674Z","shell.execute_reply.started":"2024-10-31T14:12:31.181710Z","shell.execute_reply":"2024-10-31T14:12:31.410548Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"> # Data Augmentation","metadata":{}},{"cell_type":"code","source":"total_train = train_df.shape[0]\ntotal_validate = valid_df.shape[0]\nbatch_size=15\n\nprint(total_train, total_validate)","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:12:33.888802Z","iopub.execute_input":"2024-10-31T14:12:33.889196Z","iopub.status.idle":"2024-10-31T14:12:33.894682Z","shell.execute_reply.started":"2024-10-31T14:12:33.889158Z","shell.execute_reply":"2024-10-31T14:12:33.893703Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"> ## Train Generator","metadata":{}},{"cell_type":"code","source":"df.head()","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:12:36.964397Z","iopub.execute_input":"2024-10-31T14:12:36.964757Z","iopub.status.idle":"2024-10-31T14:12:36.974227Z","shell.execute_reply.started":"2024-10-31T14:12:36.964724Z","shell.execute_reply":"2024-10-31T14:12:36.973287Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"code","source":"train_datagen = ImageDataGenerator(\n    rotation_range=15,\n    rescale=1./255,\n    shear_range=0.1,\n    zoom_range=0.2,\n    horizontal_flip=True,\n    width_shift_range=0.1,\n    height_shift_range=0.1\n)\n\ntrain_generator = train_datagen.flow_from_dataframe(\n    train_df, \n    \"/kaggle/working/train\", \n    x_col='train_images',\n    y_col='CATEGORIES',\n    target_size=IMAGE_SIZE,\n    class_mode='categorical',\n    batch_size=batch_size\n)","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:12:39.562609Z","iopub.execute_input":"2024-10-31T14:12:39.563305Z","iopub.status.idle":"2024-10-31T14:12:39.805534Z","shell.execute_reply.started":"2024-10-31T14:12:39.563265Z","shell.execute_reply":"2024-10-31T14:12:39.804764Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"> # Valid Generator","metadata":{}},{"cell_type":"code","source":"valid_datagen = ImageDataGenerator(rescale=1./255)\n\nvalid_generator = valid_datagen.flow_from_dataframe(\n    valid_df, \n    \"/kaggle/working/train\", \n    x_col='train_images',\n    y_col='CATEGORIES',\n    target_size=IMAGE_SIZE,\n    class_mode='categorical',\n    batch_size=batch_size\n)","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:12:43.061940Z","iopub.execute_input":"2024-10-31T14:12:43.062667Z","iopub.status.idle":"2024-10-31T14:12:43.129975Z","shell.execute_reply.started":"2024-10-31T14:12:43.062626Z","shell.execute_reply":"2024-10-31T14:12:43.129063Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"> # See how our generator work","metadata":{}},{"cell_type":"code","source":"example_df = train_df.sample(n=1) # take 1 image-sample\nprint(example_df, \"\\n\")\n\nexample_df= example_df.reset_index(drop=True)\nprint(example_df, \"\\n\")\n\nexample_generator = train_datagen.flow_from_dataframe(\n    example_df, \n    \"/kaggle/working/train\", \n    x_col='train_images',\n    y_col='CATEGORIES',\n    target_size=IMAGE_SIZE,\n    class_mode='categorical'\n)","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:12:45.553447Z","iopub.execute_input":"2024-10-31T14:12:45.553825Z","iopub.status.idle":"2024-10-31T14:12:45.569090Z","shell.execute_reply.started":"2024-10-31T14:12:45.553789Z","shell.execute_reply":"2024-10-31T14:12:45.567933Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"> # Show Generated Images from One-Image","metadata":{}},{"cell_type":"code","source":"plt.figure(figsize=(12, 12))\nfor i in range(0, 15):\n    plt.subplot(5, 3, i+1)\n    for X_batch, Y_batch in example_generator:\n        image = X_batch[0]\n        plt.imshow(image)\n        plt.axis('off')\n        break\nplt.tight_layout()\nplt.show()","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:12:47.479194Z","iopub.execute_input":"2024-10-31T14:12:47.479576Z","iopub.status.idle":"2024-10-31T14:12:48.664871Z","shell.execute_reply.started":"2024-10-31T14:12:47.479540Z","shell.execute_reply":"2024-10-31T14:12:48.663761Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"# 5- Build The Model","metadata":{}},{"cell_type":"markdown","source":"![image](https://i.imgur.com/ebkMGGu.jpg)","metadata":{}},{"cell_type":"markdown","source":"> * **Input Layer**: It represent input image data. It will reshape image into single diminsion array. Example your image is 64x64 = 4096, it will convert to (4096,1) array.\n> * **Conv Layer**: This layer will extract features from image.\n> * **Pooling Layer**: This layerreduce the spatial volume of input image after convolution.\n> * **Fully Connected Layer**: It connect the network from a layer to another layer\n> * **Output Layer**: It is the predicted values layer.","metadata":{}},{"cell_type":"markdown","source":"> # Fit Model","metadata":{}},{"cell_type":"code","source":"model = Sequential([\n    Conv2D(32, (3, 3), activation='relu', input_shape=(IMAGE_WIDTH, IMAGE_HEIGHT, IMAGE_CHANNELS)),\n#     BatchNormalization(),\n    MaxPool2D(pool_size=(4,4)),\n    Dropout(rate=0.25),\n    \n    Conv2D(64, (3, 3), activation='relu'),\n    BatchNormalization(),\n    MaxPool2D(pool_size=(4,4)),\n    Dropout(rate=0.25),\n    \n    Conv2D(128, (3, 3), activation='relu'),\n    BatchNormalization(),\n    MaxPool2D(pool_size=(4,4)),\n    Dropout(rate=0.25),\n    \n    Flatten(),\n    \n    Dense(512, activation='relu'),\n    Dropout(rate=0.5),\n\n    Dense(2, activation='softmax') # 2 because we have cat and dog classes\n\n])\n\n# Compile\nmodel.compile(loss='categorical_crossentropy', optimizer='adam', metrics=['accuracy'])\n\n# Summary of Model\nmodel.summary()","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:12:58.350087Z","iopub.execute_input":"2024-10-31T14:12:58.350780Z","iopub.status.idle":"2024-10-31T14:12:59.155791Z","shell.execute_reply.started":"2024-10-31T14:12:58.350739Z","shell.execute_reply":"2024-10-31T14:12:59.154891Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"> ## Callbacks","metadata":{}},{"cell_type":"code","source":"from keras.callbacks import EarlyStopping, ReduceLROnPlateau","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:13:03.390367Z","iopub.execute_input":"2024-10-31T14:13:03.390755Z","iopub.status.idle":"2024-10-31T14:13:03.395943Z","shell.execute_reply.started":"2024-10-31T14:13:03.390720Z","shell.execute_reply":"2024-10-31T14:13:03.395052Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"> ### Early Stop\n> To prevent over fitting we will stop the learning after 10 epochs and val_loss value not decreased","metadata":{}},{"cell_type":"code","source":"earlystop = EarlyStopping(patience=5)\n\nprint(earlystop)","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:13:05.701358Z","iopub.execute_input":"2024-10-31T14:13:05.701711Z","iopub.status.idle":"2024-10-31T14:13:05.706635Z","shell.execute_reply.started":"2024-10-31T14:13:05.701679Z","shell.execute_reply":"2024-10-31T14:13:05.705661Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"> ### Learning Rate Reduction\n> We will reduce the learning rate when then accuracy not increase for 2 steps","metadata":{}},{"cell_type":"code","source":"learning_rate_reduction = ReduceLROnPlateau(monitor='val_acc', \n                                            patience=2, \n                                            verbose=1, \n                                            factor=0.5, \n                                            min_lr=0.00001)\n\ncallbacks = [earlystop, learning_rate_reduction]","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:13:11.262102Z","iopub.execute_input":"2024-10-31T14:13:11.262859Z","iopub.status.idle":"2024-10-31T14:13:11.267632Z","shell.execute_reply.started":"2024-10-31T14:13:11.262822Z","shell.execute_reply":"2024-10-31T14:13:11.266671Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"code","source":"epochs = 3 if FAST_RUN else 10\n\nepochs = 3\n\nhistory = model.fit(train_generator,\n                    epochs=epochs,\n                    validation_data=valid_generator,\n#                     validation_steps=total_validate//batch_size, # 5000//15  = 333\n#                     steps_per_epoch=total_train//batch_size,     # 20000//15 = 1333\n                    callbacks=callbacks)","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:13:12.381356Z","iopub.execute_input":"2024-10-31T14:13:12.381746Z","iopub.status.idle":"2024-10-31T14:31:10.486044Z","shell.execute_reply.started":"2024-10-31T14:13:12.381708Z","shell.execute_reply":"2024-10-31T14:31:10.485240Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"> # Visualize The Performance","metadata":{}},{"cell_type":"code","source":"accuracy = history.history[\"accuracy\"]\nval_accuracy = history.history[\"val_accuracy\"]\n\nloss = history.history[\"loss\"]\nval_loss = history.history[\"val_loss\"]\n\nepochs = range(len(accuracy))\n\nplt.figure(figsize=(12,6))\n\nplt.subplot(1,2,1)\nplt.plot(epochs, accuracy, 'bo', label=\"Train_Acc\")\nplt.plot(epochs, val_accuracy, 'r', label=\"val_Acc\")\nplt.legend(loc='best', shadow=True)\n\nplt.subplot(1,2,2)\nplt.plot(epochs, loss, 'bo', label=\"Train_Loss\")\nplt.plot(epochs, val_loss, 'r', label=\"val_Loss\")\nplt.legend(loc='best', shadow=True)\n\nplt.show()","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:31:21.357963Z","iopub.execute_input":"2024-10-31T14:31:21.358900Z","iopub.status.idle":"2024-10-31T14:31:21.775012Z","shell.execute_reply.started":"2024-10-31T14:31:21.358858Z","shell.execute_reply":"2024-10-31T14:31:21.774067Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"> # The Epochs = 10 Only. We Can Increase The number of Epochs to Reach Suitable Accuracy.","metadata":{}},{"cell_type":"markdown","source":"> # Prepare Testing Data","metadata":{}},{"cell_type":"code","source":"test_file_names = os.listdir(\"/kaggle/working/test1\")\ntest_df = pd.DataFrame({'file_name': test_file_names})\n\ntotal_testing = test_df.shape[0]\n\nprint(total_testing)","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:32:09.510280Z","iopub.execute_input":"2024-10-31T14:32:09.510646Z","iopub.status.idle":"2024-10-31T14:32:09.524655Z","shell.execute_reply.started":"2024-10-31T14:32:09.510612Z","shell.execute_reply":"2024-10-31T14:32:09.523778Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"> # Test The Model","metadata":{}},{"cell_type":"markdown","source":"> # Create Testing Generator","metadata":{}},{"cell_type":"code","source":"test_gen = ImageDataGenerator(rescale=1./255)\ntest_generator = test_gen.flow_from_dataframe(\n    test_df, \n    \"/kaggle/working/test1\", \n    x_col='file_name',\n    y_col=None,\n    class_mode=None,\n    target_size=IMAGE_SIZE,\n    batch_size=batch_size,\n    shuffle=False\n)","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:32:14.120302Z","iopub.execute_input":"2024-10-31T14:32:14.120679Z","iopub.status.idle":"2024-10-31T14:32:14.254847Z","shell.execute_reply.started":"2024-10-31T14:32:14.120638Z","shell.execute_reply":"2024-10-31T14:32:14.253875Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"> # Predict","metadata":{}},{"cell_type":"code","source":"predictions = model.predict(test_generator)","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:32:18.765909Z","iopub.execute_input":"2024-10-31T14:32:18.766569Z","iopub.status.idle":"2024-10-31T14:32:36.594758Z","shell.execute_reply.started":"2024-10-31T14:32:18.766531Z","shell.execute_reply":"2024-10-31T14:32:36.593896Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"> For categoral classication the prediction will come with probability of each category. So we will pick the category that have the highest probability with numpy average max","metadata":{}},{"cell_type":"code","source":"test_df[\"CATEGORIES\"] = np.argmax(predictions, axis=1)","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:32:48.226082Z","iopub.execute_input":"2024-10-31T14:32:48.226722Z","iopub.status.idle":"2024-10-31T14:32:48.231755Z","shell.execute_reply.started":"2024-10-31T14:32:48.226684Z","shell.execute_reply":"2024-10-31T14:32:48.230701Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"> We will convert the predict category back into our generator classes by using train_generator.class_indices. It is the classes that image generator map while converting data into computer vision","metadata":{}},{"cell_type":"code","source":"label_map = dict((v,k) for k,v in train_generator.class_indices.items())\ntest_df['CATEGORIES'] = test_df['CATEGORIES'].replace(label_map)","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:32:51.209406Z","iopub.execute_input":"2024-10-31T14:32:51.209781Z","iopub.status.idle":"2024-10-31T14:32:51.217413Z","shell.execute_reply.started":"2024-10-31T14:32:51.209745Z","shell.execute_reply":"2024-10-31T14:32:51.216479Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"> From our prepare data part. We map data with {1: 'dog', 0: 'cat'}. Now we will map the result back to dog is 1 and cat is 0\n\n","metadata":{}},{"cell_type":"code","source":"test_df['CATEGORIES'] = test_df['CATEGORIES'].replace({ 'dog': 1, 'cat': 0 })","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:32:55.220364Z","iopub.execute_input":"2024-10-31T14:32:55.220751Z","iopub.status.idle":"2024-10-31T14:32:55.237901Z","shell.execute_reply.started":"2024-10-31T14:32:55.220714Z","shell.execute_reply":"2024-10-31T14:32:55.236915Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"# 6- Visualize The Result","metadata":{}},{"cell_type":"code","source":"test_df[\"CATEGORIES\"].value_counts().plot.bar()","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:32:59.726241Z","iopub.execute_input":"2024-10-31T14:32:59.726626Z","iopub.status.idle":"2024-10-31T14:32:59.942254Z","shell.execute_reply.started":"2024-10-31T14:32:59.726588Z","shell.execute_reply":"2024-10-31T14:32:59.941335Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"> # Show Predicted Images","metadata":{}},{"cell_type":"code","source":"sample_test = test_df.head(36)\n\nplt.figure(figsize=(15,15))\n\nfor index, row in sample_test.iterrows():\n    file_name = row['file_name']\n    category = row['CATEGORIES']\n    path = os.path.join(\"/kaggle/working/test1\", file_name)\n    img = load_img(path, target_size=IMAGE_SIZE)\n    plt.subplot(6,6,index+1)\n    plt.imshow(img)\n    plt.title(f\"{file_name}\\n is ==> {'cat' if category==0 else 'dog'}\")\n    plt.axis('off')\nplt.tight_layout()\nplt.show()","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:33:32.406378Z","iopub.execute_input":"2024-10-31T14:33:32.407144Z","iopub.status.idle":"2024-10-31T14:33:35.978296Z","shell.execute_reply.started":"2024-10-31T14:33:32.407104Z","shell.execute_reply":"2024-10-31T14:33:35.976926Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"# 7- Save The Model","metadata":{}},{"cell_type":"code","source":"model.save(\"CNN.h5\")\nmodel.save_weights(\"CNN.weights.h5\")","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:52:41.508935Z","iopub.execute_input":"2024-10-31T14:52:41.509306Z","iopub.status.idle":"2024-10-31T14:52:41.599085Z","shell.execute_reply.started":"2024-10-31T14:52:41.509274Z","shell.execute_reply":"2024-10-31T14:52:41.598176Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"markdown","source":"# 8- Submission","metadata":{}},{"cell_type":"code","source":"submission_df = test_df.copy()\nsubmission_df['id'] = submission_df['file_name'].str.split('.').str[0]\nsubmission_df['label'] = submission_df['CATEGORIES']\nsubmission_df.drop(['file_name', 'CATEGORIES'], axis=1, inplace=True)\nsubmission_df.to_csv(\"submission.csv\", index=False)","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:52:54.336362Z","iopub.execute_input":"2024-10-31T14:52:54.337086Z","iopub.status.idle":"2024-10-31T14:52:54.376321Z","shell.execute_reply.started":"2024-10-31T14:52:54.337040Z","shell.execute_reply":"2024-10-31T14:52:54.375396Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"code","source":"!wget https://wl-genial.cf.tsp.li/resize/728x/jpg/27e/3ac/d457dd54cdbe4443445792ccb8.jpg\nimagen = load_img('d457dd54cdbe4443445792ccb8.jpg', target_size=IMAGE_SIZE)\nimg = np.expand_dims(imagen, 0) # make 'batch' of 1\npred = model.predict(img)\n#pred = labels[\"label_names\"][np.argmax(pred)]\ncategory = np.argmax(pred)\nplt.imshow(imagen)\nplt.title(f\"esa imagen es \\n ==> {'cat' if category==0 else 'dog'}\")\nplt.axis('off')\nplt.tight_layout()\nplt.show()","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:53:07.210420Z","iopub.execute_input":"2024-10-31T14:53:07.211292Z","iopub.status.idle":"2024-10-31T14:53:08.645752Z","shell.execute_reply.started":"2024-10-31T14:53:07.211252Z","shell.execute_reply":"2024-10-31T14:53:08.644699Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"code","source":"!wget https://oglebay.com/wp-content/uploads/2022/06/IMG_5670_M-e1654806092422.jpg\nimagen = load_img('IMG_5670_M-e1654806092422.jpg', target_size=IMAGE_SIZE)\nimg = np.expand_dims(imagen, 0) # make 'batch' of 1\npred = model.predict(img)\n#pred = labels[\"label_names\"][np.argmax(pred)]\ncategory = np.argmax(pred)\nplt.imshow(imagen)\nplt.title(f\"esa imagen es \\n ==> {'cat' if category==0 else 'dog'}\")\nplt.axis('off')\nplt.tight_layout()\nplt.show()","metadata":{"execution":{"iopub.status.busy":"2024-10-31T14:53:22.462342Z","iopub.execute_input":"2024-10-31T14:53:22.463225Z","iopub.status.idle":"2024-10-31T14:53:24.043172Z","shell.execute_reply.started":"2024-10-31T14:53:22.463172Z","shell.execute_reply":"2024-10-31T14:53:24.042078Z"},"trusted":true},"execution_count":null,"outputs":[]},{"cell_type":"code","source":"","metadata":{},"execution_count":null,"outputs":[]}]}