{ "cells": [ { "cell_type": "code", "execution_count": 18, "metadata": {}, "outputs": [], "source": [ "import gradio as gr\n", "import tensorflow as tf\n", "import numpy as np\n", "from PIL import Image" ] }, { "cell_type": "code", "execution_count": 19, "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "Defaulting to user installation because normal site-packages is not writeable\n", "Requirement already satisfied: tensorflow in /Users/chiarazbinden/Library/Python/3.9/lib/python/site-packages (2.16.1)\n", "Requirement already satisfied: tensorflow-datasets in /Users/chiarazbinden/Library/Python/3.9/lib/python/site-packages (4.9.3)\n", "Requirement already satisfied: gradio in /Users/chiarazbinden/Library/Python/3.9/lib/python/site-packages (4.27.0)\n", "Requirement already satisfied: pillow in /Users/chiarazbinden/Library/Python/3.9/lib/python/site-packages (10.2.0)\n", "Requirement already satisfied: matplotlib in 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(from anyio->httpx>=0.24.1->gradio) (1.2.0)\n", "Requirement already satisfied: mdurl~=0.1 in /Users/chiarazbinden/Library/Python/3.9/lib/python/site-packages (from markdown-it-py>=2.2.0->rich->keras>=3.0.0->tensorflow) (0.1.2)\n", "Note: you may need to restart the kernel to use updated packages.\n" ] } ], "source": [ "%pip install tensorflow tensorflow-datasets gradio pillow matplotlib" ] }, { "cell_type": "code", "execution_count": 20, "metadata": {}, "outputs": [], "source": [ "model_path = \"pokemon-model_transferlearning.keras\"\n", "model = tf.keras.models.load_model(model_path)" ] }, { "cell_type": "code", "execution_count": 21, "metadata": {}, "outputs": [], "source": [ "# Define the core prediction function\n", "def predict_pokemon(image):\n", " # Preprocess image\n", " print(type(image))\n", " image = Image.fromarray(image.astype('uint8')) # Convert numpy array to PIL image\n", " image = image.resize((150, 150)) #resize the image to 28x28 and converts it to gray scale\n", " image = np.array(image)\n", " image = np.expand_dims(image, axis=0) # same as image[None, ...]\n", " \n", " # Predict\n", " prediction = model.predict(image)\n", " \n", " # Because the output layer was dense(0) without an activation function, we need to apply sigmoid to get the probability\n", " # we could also change the output layer to dense(1, activation='sigmoid')\n", " prediction = np.round(float(tf.sigmoid(prediction)), 2)\n", " p_cat = (1 - prediction)\n", " p_dog = prediction\n", " return {'cat': p_cat, 'dog': p_dog}" ] }, { "cell_type": "code", "execution_count": 22, "metadata": {}, "outputs": [], "source": [ "from PIL import Image\n", "import numpy as np\n", "import tensorflow as tf\n", "\n", "# Define the core prediction function\n", "def predict_pokemon(image):\n", " # Preprocess image\n", " image = Image.fromarray(image.astype('uint8')) # Convert numpy array to PIL image\n", " image = image.resize((150, 150)) # Resize the image to 150x150\n", " image = np.array(image)\n", " image = np.expand_dims(image, axis=0) # Add batch dimension\n", " \n", " # Predict\n", " prediction = model.predict(image)\n", " \n", " # Apply softmax to get probabilities for each class\n", " probabilities = tf.nn.softmax(prediction)\n", " \n", " # Map probabilities to Pokemon classes\n", " pokemon_classes = ['Articuno', 'Bulbasaur', 'Charmander'] \n", " probabilities_dict = {pokemon_class: round(float(probability), 2) for pokemon_class, probability in zip(pokemon_classes, probabilities[0])}\n", " \n", " return probabilities_dict\n" ] }, { "cell_type": "code", "execution_count": 23, "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "Running on local URL: http://127.0.0.1:7863\n", "IMPORTANT: You are using gradio version 4.27.0, however version 4.29.0 is available, please upgrade.\n", "--------\n", "Running on public URL: https://a1f42e2a7f46b68a92.gradio.live\n", "\n", "This share link expires in 72 hours. For free permanent hosting and GPU upgrades, run `gradio deploy` from Terminal to deploy to Spaces (https://huggingface.co/spaces)\n" ] }, { "data": { "text/html": [ "
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