Upload semantic_segmentation_segformer.ipynb

semantic_segmentation_segformer.ipynb

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+{
+  "nbformat": 4,
+  "nbformat_minor": 0,
+  "metadata": {
+    "colab": {
+      "provenance": [],
+      "collapsed_sections": [
+        "-tNVQkHnZfrs"
+      ]
+    },
+    "kernelspec": {
+      "name": "python3",
+      "display_name": "Python 3"
+    },
+    "language_info": {
+      "name": "python"
+    },
+    "gpuClass": "standard"
+  },
+  "cells": [
+    {
+      "cell_type": "markdown",
+      "source": [
+        "## Setup"
+      ],
+      "metadata": {
+        "id": "-tNVQkHnZfrs"
+      }
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "%cd /content/\n",
+        "%rm -rf semantic-segmentation\n",
+        "!git clone https://github.com/hb0313/semantic-segmentation\n",
+        "%cd semantic-segmentation\n",
+        "%pip install -e .\n",
+        "%pip install -U gdown"
+      ],
+      "metadata": {
+        "id": "pzBeWQDQZdic",
+        "colab": {
+          "base_uri": "https://localhost:8080/"
+        },
+        "outputId": "30620197-c859-44ec-d7aa-eeccd032cdcc"
+      },
+      "execution_count": 5,
+      "outputs": [
+        {
+          "output_type": "stream",
+          "name": "stdout",
+          "text": [
+            "/content\n",
+            "Cloning into 'semantic-segmentation'...\n",
+            "remote: Enumerating objects: 792, done.\u001b[K\n",
+            "remote: Counting objects: 100% (39/39), done.\u001b[K\n",
+            "remote: Compressing objects: 100% (28/28), done.\u001b[K\n",
+            "remote: Total 792 (delta 11), reused 31 (delta 11), pack-reused 753\u001b[K\n",
+            "Receiving objects: 100% (792/792), 55.00 MiB | 19.25 MiB/s, done.\n",
+            "Resolving deltas: 100% (462/462), done.\n",
+            "/content/semantic-segmentation\n",
+            "Looking in indexes: https://pypi.org/simple, https://us-python.pkg.dev/colab-wheels/public/simple/\n",
+            "Obtaining file:///content/semantic-segmentation\n",
+            "Requirement already satisfied: tqdm in /usr/local/lib/python3.7/dist-packages (from semseg==0.4.1) (4.64.1)\n",
+            "Requirement already satisfied: tabulate in /usr/local/lib/python3.7/dist-packages (from semseg==0.4.1) (0.8.10)\n",
+            "Requirement already satisfied: numpy in /usr/local/lib/python3.7/dist-packages (from semseg==0.4.1) (1.21.6)\n",
+            "Requirement already satisfied: scipy in /usr/local/lib/python3.7/dist-packages (from semseg==0.4.1) (1.7.3)\n",
+            "Requirement already satisfied: matplotlib in /usr/local/lib/python3.7/dist-packages (from semseg==0.4.1) (3.2.2)\n",
+            "Requirement already satisfied: tensorboard in /usr/local/lib/python3.7/dist-packages (from semseg==0.4.1) (2.8.0)\n",
+            "Requirement already satisfied: fvcore in /usr/local/lib/python3.7/dist-packages (from semseg==0.4.1) (0.1.5.post20220512)\n",
+            "Requirement already satisfied: einops in /usr/local/lib/python3.7/dist-packages (from semseg==0.4.1) (0.4.1)\n",
+            "Requirement already satisfied: rich in /usr/local/lib/python3.7/dist-packages (from semseg==0.4.1) (12.5.1)\n",
+            "Requirement already satisfied: pyyaml>=5.1 in /usr/local/lib/python3.7/dist-packages (from fvcore->semseg==0.4.1) (6.0)\n",
+            "Requirement already satisfied: iopath>=0.1.7 in /usr/local/lib/python3.7/dist-packages (from fvcore->semseg==0.4.1) (0.1.10)\n",
+            "Requirement already satisfied: Pillow in /usr/local/lib/python3.7/dist-packages (from fvcore->semseg==0.4.1) (7.1.2)\n",
+            "Requirement already satisfied: termcolor>=1.1 in /usr/local/lib/python3.7/dist-packages (from fvcore->semseg==0.4.1) (1.1.0)\n",
+            "Requirement already satisfied: yacs>=0.1.6 in /usr/local/lib/python3.7/dist-packages (from fvcore->semseg==0.4.1) (0.1.8)\n",
+            "Requirement already satisfied: portalocker in /usr/local/lib/python3.7/dist-packages (from iopath>=0.1.7->fvcore->semseg==0.4.1) (2.5.1)\n",
+            "Requirement already satisfied: typing-extensions in /usr/local/lib/python3.7/dist-packages (from iopath>=0.1.7->fvcore->semseg==0.4.1) (4.1.1)\n",
+            "Requirement already satisfied: pyparsing!=2.0.4,!=2.1.2,!=2.1.6,>=2.0.1 in /usr/local/lib/python3.7/dist-packages (from matplotlib->semseg==0.4.1) (3.0.9)\n",
+            "Requirement already satisfied: python-dateutil>=2.1 in /usr/local/lib/python3.7/dist-packages (from matplotlib->semseg==0.4.1) (2.8.2)\n",
+            "Requirement already satisfied: cycler>=0.10 in /usr/local/lib/python3.7/dist-packages (from matplotlib->semseg==0.4.1) (0.11.0)\n",
+            "Requirement already satisfied: kiwisolver>=1.0.1 in /usr/local/lib/python3.7/dist-packages (from matplotlib->semseg==0.4.1) (1.4.4)\n",
+            "Requirement already satisfied: six>=1.5 in /usr/local/lib/python3.7/dist-packages (from python-dateutil>=2.1->matplotlib->semseg==0.4.1) (1.15.0)\n",
+            "Requirement already satisfied: commonmark<0.10.0,>=0.9.0 in /usr/local/lib/python3.7/dist-packages (from rich->semseg==0.4.1) (0.9.1)\n",
+            "Requirement already satisfied: pygments<3.0.0,>=2.6.0 in /usr/local/lib/python3.7/dist-packages (from rich->semseg==0.4.1) (2.6.1)\n",
+            "Requirement already satisfied: absl-py>=0.4 in /usr/local/lib/python3.7/dist-packages (from tensorboard->semseg==0.4.1) (1.2.0)\n",
+            "Requirement already satisfied: markdown>=2.6.8 in /usr/local/lib/python3.7/dist-packages (from tensorboard->semseg==0.4.1) (3.4.1)\n",
+            "Requirement already satisfied: wheel>=0.26 in /usr/local/lib/python3.7/dist-packages (from tensorboard->semseg==0.4.1) (0.37.1)\n",
+            "Requirement already satisfied: werkzeug>=0.11.15 in /usr/local/lib/python3.7/dist-packages (from tensorboard->semseg==0.4.1) (1.0.1)\n",
+            "Requirement already satisfied: tensorboard-plugin-wit>=1.6.0 in /usr/local/lib/python3.7/dist-packages (from tensorboard->semseg==0.4.1) (1.8.1)\n",
+            "Requirement already satisfied: google-auth<3,>=1.6.3 in /usr/local/lib/python3.7/dist-packages (from tensorboard->semseg==0.4.1) (1.35.0)\n",
+            "Requirement already satisfied: protobuf>=3.6.0 in /usr/local/lib/python3.7/dist-packages (from tensorboard->semseg==0.4.1) (3.17.3)\n",
+            "Requirement already satisfied: google-auth-oauthlib<0.5,>=0.4.1 in /usr/local/lib/python3.7/dist-packages (from tensorboard->semseg==0.4.1) (0.4.6)\n",
+            "Requirement already satisfied: grpcio>=1.24.3 in /usr/local/lib/python3.7/dist-packages (from tensorboard->semseg==0.4.1) (1.48.1)\n",
+            "Requirement already satisfied: requests<3,>=2.21.0 in /usr/local/lib/python3.7/dist-packages (from tensorboard->semseg==0.4.1) (2.23.0)\n",
+            "Requirement already satisfied: setuptools>=41.0.0 in /usr/local/lib/python3.7/dist-packages (from tensorboard->semseg==0.4.1) (57.4.0)\n",
+            "Requirement already satisfied: tensorboard-data-server<0.7.0,>=0.6.0 in /usr/local/lib/python3.7/dist-packages (from tensorboard->semseg==0.4.1) (0.6.1)\n",
+            "Requirement already satisfied: rsa<5,>=3.1.4 in /usr/local/lib/python3.7/dist-packages (from google-auth<3,>=1.6.3->tensorboard->semseg==0.4.1) (4.9)\n",
+            "Requirement already satisfied: cachetools<5.0,>=2.0.0 in /usr/local/lib/python3.7/dist-packages (from google-auth<3,>=1.6.3->tensorboard->semseg==0.4.1) (4.2.4)\n",
+            "Requirement already satisfied: pyasn1-modules>=0.2.1 in /usr/local/lib/python3.7/dist-packages (from google-auth<3,>=1.6.3->tensorboard->semseg==0.4.1) (0.2.8)\n",
+            "Requirement already satisfied: requests-oauthlib>=0.7.0 in /usr/local/lib/python3.7/dist-packages (from google-auth-oauthlib<0.5,>=0.4.1->tensorboard->semseg==0.4.1) (1.3.1)\n",
+            "Requirement already satisfied: importlib-metadata>=4.4 in /usr/local/lib/python3.7/dist-packages (from markdown>=2.6.8->tensorboard->semseg==0.4.1) (4.12.0)\n",
+            "Requirement already satisfied: zipp>=0.5 in /usr/local/lib/python3.7/dist-packages (from importlib-metadata>=4.4->markdown>=2.6.8->tensorboard->semseg==0.4.1) (3.8.1)\n",
+            "Requirement already satisfied: pyasn1<0.5.0,>=0.4.6 in /usr/local/lib/python3.7/dist-packages (from pyasn1-modules>=0.2.1->google-auth<3,>=1.6.3->tensorboard->semseg==0.4.1) (0.4.8)\n",
+            "Requirement already satisfied: idna<3,>=2.5 in /usr/local/lib/python3.7/dist-packages (from requests<3,>=2.21.0->tensorboard->semseg==0.4.1) (2.10)\n",
+            "Requirement already satisfied: urllib3!=1.25.0,!=1.25.1,<1.26,>=1.21.1 in /usr/local/lib/python3.7/dist-packages (from requests<3,>=2.21.0->tensorboard->semseg==0.4.1) (1.24.3)\n",
+            "Requirement already satisfied: chardet<4,>=3.0.2 in /usr/local/lib/python3.7/dist-packages (from requests<3,>=2.21.0->tensorboard->semseg==0.4.1) (3.0.4)\n",
+            "Requirement already satisfied: certifi>=2017.4.17 in /usr/local/lib/python3.7/dist-packages (from requests<3,>=2.21.0->tensorboard->semseg==0.4.1) (2022.6.15)\n",
+            "Requirement already satisfied: oauthlib>=3.0.0 in /usr/local/lib/python3.7/dist-packages (from requests-oauthlib>=0.7.0->google-auth-oauthlib<0.5,>=0.4.1->tensorboard->semseg==0.4.1) (3.2.0)\n",
+            "Installing collected packages: semseg\n",
+            "  Running setup.py develop for semseg\n",
+            "Successfully installed semseg-0.4.1\n",
+            "Looking in indexes: https://pypi.org/simple, https://us-python.pkg.dev/colab-wheels/public/simple/\n",
+            "Requirement already satisfied: gdown in /usr/local/lib/python3.7/dist-packages (4.5.1)\n",
+            "Requirement already satisfied: six in /usr/local/lib/python3.7/dist-packages (from gdown) (1.15.0)\n",
+            "Requirement already satisfied: tqdm in /usr/local/lib/python3.7/dist-packages (from gdown) (4.64.1)\n",
+            "Requirement already satisfied: beautifulsoup4 in /usr/local/lib/python3.7/dist-packages (from gdown) (4.6.3)\n",
+            "Requirement already satisfied: requests[socks] in /usr/local/lib/python3.7/dist-packages (from gdown) (2.23.0)\n",
+            "Requirement already satisfied: filelock in /usr/local/lib/python3.7/dist-packages (from gdown) (3.8.0)\n",
+            "Requirement already satisfied: idna<3,>=2.5 in /usr/local/lib/python3.7/dist-packages (from requests[socks]->gdown) (2.10)\n",
+            "Requirement already satisfied: urllib3!=1.25.0,!=1.25.1,<1.26,>=1.21.1 in /usr/local/lib/python3.7/dist-packages (from requests[socks]->gdown) (1.24.3)\n",
+            "Requirement already satisfied: certifi>=2017.4.17 in /usr/local/lib/python3.7/dist-packages (from requests[socks]->gdown) (2022.6.15)\n",
+            "Requirement already satisfied: chardet<4,>=3.0.2 in /usr/local/lib/python3.7/dist-packages (from requests[socks]->gdown) (3.0.4)\n",
+            "Requirement already satisfied: PySocks!=1.5.7,>=1.5.6 in /usr/local/lib/python3.7/dist-packages (from requests[socks]->gdown) (1.7.1)\n"
+          ]
+        }
+      ]
+    },
+    {
+      "cell_type": "markdown",
+      "source": [
+        "## Defination for loading model and checkpoints"
+      ],
+      "metadata": {
+        "id": "L-WE4q6_ZHdQ"
+      }
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "import gdown\n",
+        "from pathlib import Path\n",
+        "import torch\n",
+        "from torchvision import io\n",
+        "from torchvision import transforms as T\n",
+        "from PIL import Image\n",
+        "from semseg.models import *\n",
+        "from google.colab import files\n",
+        "# from IPython.display import Image\n",
+        "\n",
+        "\n",
+        "def get_checkpoints():\n",
+        "  ckpt = Path('./checkpoints/pretrained/segformer')\n",
+        "  ckpt.mkdir(exist_ok=True, parents=True)\n",
+        "\n",
+        "  url = 'https://huggingface.co/hashb/semantic-segmentation-segformer/resolve/main/segformer.b3.ade.pth'\n",
+        "  output = './checkpoints/pretrained/segformer/segformer.b3.ade.pth'\n",
+        "  gdown.download(url, output, quiet=False)\n",
+        "\n",
+        "def show_image(image):\n",
+        "  if image.shape[2] != 3: image = image.permute(1, 2, 0)\n",
+        "  image = Image.fromarray(image.numpy())\n",
+        "  # image.save(\"result.png\")\n",
+        "  return image\n",
+        "\n",
+        "def load_model():\n",
+        "  model = eval('SegFormer')(\n",
+        "      backbone='MiT-B3',\n",
+        "      num_classes=150\n",
+        "  )\n",
+        "\n",
+        "  try:\n",
+        "      model.load_state_dict(torch.load('checkpoints/pretrained/segformer/segformer.b3.ade.pth', map_location='cpu'))\n",
+        "  except:\n",
+        "    print(\"Download a pretrained model's weights from the result table.\")\n",
+        "  model.eval()\n",
+        "  return model\n",
+        "\n",
+        "  print('Loaded Model')"
+      ],
+      "metadata": {
+        "id": "QnfB4lrzjo33"
+      },
+      "execution_count": 6,
+      "outputs": []
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "get_checkpoints()\n",
+        "model = load_model()"
+      ],
+      "metadata": {
+        "id": "L1YCKFKJKP1H",
+        "colab": {
+          "base_uri": "https://localhost:8080/"
+        },
+        "outputId": "0b5b2aeb-0978-46fd-8638-bb4976431c60"
+      },
+      "execution_count": 7,
+      "outputs": [
+        {
+          "output_type": "stream",
+          "name": "stderr",
+          "text": [
+            "Downloading...\n",
+            "From: https://huggingface.co/hashb/semantic-segmentation-segformer/resolve/main/segformer.b3.ade.pth\n",
+            "To: /content/semantic-segmentation/checkpoints/pretrained/segformer/segformer.b3.ade.pth\n",
+            "100%|██████████| 190M/190M [00:00<00:00, 206MB/s]\n"
+          ]
+        }
+      ]
+    },
+    {
+      "cell_type": "markdown",
+      "source": [
+        "# Upload image file"
+      ],
+      "metadata": {
+        "id": "FRDvSMmvoK_0"
+      }
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "uploaded = files.upload()\n",
+        "for i in uploaded:\n",
+        "  image_path = i\n",
+        "image = io.read_image(image_path)"
+      ],
+      "metadata": {
+        "colab": {
+          "resources": {
+            "http://localhost:8080/nbextensions/google.colab/files.js": {
+              "data": "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",
+              "ok": true,
+              "headers": [
+                [
+                  "content-type",
+                  "application/javascript"
+                ]
+              ],
+              "status": 200,
+              "status_text": ""
+            }
+          },
+          "base_uri": "https://localhost:8080/",
+          "height": 73
+        },
+        "id": "k2cOX2CUaZuK",
+        "outputId": "10aa9d41-cedf-4ebe-e39e-501ce52060f9"
+      },
+      "execution_count": 8,
+      "outputs": [
+        {
+          "output_type": "display_data",
+          "data": {
+            "text/plain": [
+              "<IPython.core.display.HTML object>"
+            ],
+            "text/html": [
+              "\n",
+              "     <input type=\"file\" id=\"files-588ecd48-c3e3-4199-8af1-4f923a689620\" name=\"files[]\" multiple disabled\n",
+              "        style=\"border:none\" />\n",
+              "     <output id=\"result-588ecd48-c3e3-4199-8af1-4f923a689620\">\n",
+              "      Upload widget is only available when the cell has been executed in the\n",
+              "      current browser session. Please rerun this cell to enable.\n",
+              "      </output>\n",
+              "      <script src=\"/nbextensions/google.colab/files.js\"></script> "
+            ]
+          },
+          "metadata": {}
+        },
+        {
+          "output_type": "stream",
+          "name": "stdout",
+          "text": [
+            "Saving pexels-photo-1485031.jpeg to pexels-photo-1485031.jpeg\n"
+          ]
+        }
+      ]
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "# resize\n",
+        "image = T.CenterCrop((512, 512))(image)\n",
+        "# scale to [0.0, 1.0]\n",
+        "image = image.float() / 255\n",
+        "# normalize\n",
+        "image = T.Normalize((0.485, 0.456, 0.406), (0.229, 0.224, 0.225))(image)\n",
+        "# add batch size\n",
+        "image = image.unsqueeze(0)\n",
+        "image.shape"
+      ],
+      "metadata": {
+        "id": "Mnfbjt3vjzmI",
+        "colab": {
+          "base_uri": "https://localhost:8080/"
+        },
+        "outputId": "e3255e3f-c3ed-47f6-f8db-c72c679af496"
+      },
+      "execution_count": 9,
+      "outputs": [
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": [
+              "torch.Size([1, 3, 512, 512])"
+            ]
+          },
+          "metadata": {},
+          "execution_count": 9
+        }
+      ]
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "with torch.inference_mode():\n",
+        "    seg = model(image)\n",
+        "seg.shape"
+      ],
+      "metadata": {
+        "id": "lJ6xNAwzj17M",
+        "colab": {
+          "base_uri": "https://localhost:8080/"
+        },
+        "outputId": "7253e889-2b43-4f5c-ebcd-731001f4dd17"
+      },
+      "execution_count": 10,
+      "outputs": [
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": [
+              "torch.Size([1, 150, 512, 512])"
+            ]
+          },
+          "metadata": {},
+          "execution_count": 10
+        }
+      ]
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "seg = seg.softmax(1).argmax(1).to(int)\n",
+        "seg.unique()"
+      ],
+      "metadata": {
+        "id": "EqbG_qokj30-",
+        "colab": {
+          "base_uri": "https://localhost:8080/"
+        },
+        "outputId": "ad1c2e60-777b-45ee-f27f-44fff275fabb"
+      },
+      "execution_count": 11,
+      "outputs": [
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": [
+              "tensor([ 0,  1,  4, 12])"
+            ]
+          },
+          "metadata": {},
+          "execution_count": 11
+        }
+      ]
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "from semseg.datasets import *\n",
+        "\n",
+        "palette = eval('ADE20K').PALETTE"
+      ],
+      "metadata": {
+        "id": "dyj4dPoMj7aq"
+      },
+      "execution_count": 12,
+      "outputs": []
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "seg_map = palette[seg].squeeze().to(torch.uint8)\n",
+        "show_image(seg_map)"
+      ],
+      "metadata": {
+        "id": "02ptBGPAj8_g",
+        "colab": {
+          "base_uri": "https://localhost:8080/",
+          "height": 529
+        },
+        "outputId": "0df8f3b6-7bfe-4ad3-a5e3-f794363abdbe"
+      },
+      "execution_count": 13,
+      "outputs": [
+        {
+          "output_type": "execute_result",
+          "data": {
+            "text/plain": [
+              "<PIL.Image.Image image mode=RGB size=512x512 at 0x7FBF0969DB10>"
+            ],
+            "image/png": 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\n"
+          },
+          "metadata": {},
+          "execution_count": 13
+        }
+      ]
+    }
+  ]
+}