logo_dec_inference.ipynb

{
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  "metadata": {
    "colab": {
      "name": "logo_dec_inference.ipynb",
      "provenance": [],
      "collapsed_sections": [],
      "authorship_tag": "ABX9TyNqwI8sjupZebHcF7X5qC+0",
      "include_colab_link": true
    },
    "kernelspec": {
      "name": "python3",
      "display_name": "Python 3"
    }
  },
  "cells": [
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "view-in-github",
        "colab_type": "text"
      },
      "source": [
        "<a href=\"https://colab.research.google.com/github/Cybertocks/Logo-dec/blob/master/logo_dec_inference.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "SxV18xZSwLAv",
        "colab_type": "code",
        "colab": {}
      },
      "source": [
        "from fastai2.vision.all import *\n",
        "from fastai2.vision.widgets import *"
      ],
      "execution_count": 0,
      "outputs": []
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "8Y5ZCL59wXHM",
        "colab_type": "code",
        "colab": {}
      },
      "source": [
        "defaults.use_cuda = False\n",
        "learn_inf = torch.load('export.pkl', map_location='cpu')\n",
        "btn_upload = widgets.FileUpload()\n",
        "out_pl = widgets.Output()\n",
        "lbl_pred = widgets.Label()"
      ],
      "execution_count": 0,
      "outputs": []
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "i6iC77Iuwc4F",
        "colab_type": "code",
        "colab": {}
      },
      "source": [
        "def on_click(change):\n",
        "    img = PILImage.create(btn_upload.data[-1])\n",
        "    out_pl.clear_output()\n",
        "    with out_pl: display(img.to_thumb(128,128))\n",
        "    pred,pred_idx,probs = learn_inf.predict(img)\n",
        "    lbl_pred.value = f'Prediction: {pred}; Probability: {probs[pred_idx]:.04f}'"
      ],
      "execution_count": 0,
      "outputs": []
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "Q2eOV74Bwe-L",
        "colab_type": "code",
        "colab": {}
      },
      "source": [
        "btn_upload.observe(on_click, names=['data'])"
      ],
      "execution_count": 0,
      "outputs": []
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "iR_eZrjSwiE7",
        "colab_type": "code",
        "colab": {}
      },
      "source": [
        "display(VBox([widgets.Label('Select your Logo(Must be either Nike, Puma, New Balance, Adidas,Reebok or Vans)!'), btn_upload, out_pl, lbl_pred]))"
      ],
      "execution_count": 0,
      "outputs": []
    }
  ]
}