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Browse files- Untitled6.ipynb +1011 -0
- untitled6.py +234 -0
Untitled6.ipynb
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| 326 |
+
"justify_items": null,
|
| 327 |
+
"left": null,
|
| 328 |
+
"margin": null,
|
| 329 |
+
"max_height": null,
|
| 330 |
+
"max_width": null,
|
| 331 |
+
"min_height": null,
|
| 332 |
+
"min_width": null,
|
| 333 |
+
"object_fit": null,
|
| 334 |
+
"object_position": null,
|
| 335 |
+
"order": null,
|
| 336 |
+
"overflow": null,
|
| 337 |
+
"overflow_x": null,
|
| 338 |
+
"overflow_y": null,
|
| 339 |
+
"padding": null,
|
| 340 |
+
"right": null,
|
| 341 |
+
"top": null,
|
| 342 |
+
"visibility": null,
|
| 343 |
+
"width": null
|
| 344 |
+
}
|
| 345 |
+
},
|
| 346 |
+
"8ac32f54acd140b483ae523e22a9652b": {
|
| 347 |
+
"model_module": "@jupyter-widgets/controls",
|
| 348 |
+
"model_name": "DescriptionStyleModel",
|
| 349 |
+
"model_module_version": "1.5.0",
|
| 350 |
+
"state": {
|
| 351 |
+
"_model_module": "@jupyter-widgets/controls",
|
| 352 |
+
"_model_module_version": "1.5.0",
|
| 353 |
+
"_model_name": "DescriptionStyleModel",
|
| 354 |
+
"_view_count": null,
|
| 355 |
+
"_view_module": "@jupyter-widgets/base",
|
| 356 |
+
"_view_module_version": "1.2.0",
|
| 357 |
+
"_view_name": "StyleView",
|
| 358 |
+
"description_width": ""
|
| 359 |
+
}
|
| 360 |
+
}
|
| 361 |
+
}
|
| 362 |
+
}
|
| 363 |
+
},
|
| 364 |
+
"cells": [
|
| 365 |
+
{
|
| 366 |
+
"cell_type": "code",
|
| 367 |
+
"source": [
|
| 368 |
+
"!pip install requests transformers"
|
| 369 |
+
],
|
| 370 |
+
"metadata": {
|
| 371 |
+
"colab": {
|
| 372 |
+
"base_uri": "https://localhost:8080/"
|
| 373 |
+
},
|
| 374 |
+
"id": "qgjLhqhtRoYL",
|
| 375 |
+
"outputId": "6bb6ee0e-a189-4fe5-c2f9-7e043734db1e"
|
| 376 |
+
},
|
| 377 |
+
"execution_count": 1,
|
| 378 |
+
"outputs": [
|
| 379 |
+
{
|
| 380 |
+
"output_type": "stream",
|
| 381 |
+
"name": "stdout",
|
| 382 |
+
"text": [
|
| 383 |
+
"Requirement already satisfied: requests in /usr/local/lib/python3.10/dist-packages (2.31.0)\n",
|
| 384 |
+
"Requirement already satisfied: transformers in /usr/local/lib/python3.10/dist-packages (4.41.0)\n",
|
| 385 |
+
"Requirement already satisfied: charset-normalizer<4,>=2 in /usr/local/lib/python3.10/dist-packages (from requests) (3.3.2)\n",
|
| 386 |
+
"Requirement already satisfied: idna<4,>=2.5 in /usr/local/lib/python3.10/dist-packages (from requests) (3.7)\n",
|
| 387 |
+
"Requirement already satisfied: urllib3<3,>=1.21.1 in /usr/local/lib/python3.10/dist-packages (from requests) (2.0.7)\n",
|
| 388 |
+
"Requirement already satisfied: certifi>=2017.4.17 in /usr/local/lib/python3.10/dist-packages (from requests) (2024.2.2)\n",
|
| 389 |
+
"Requirement already satisfied: filelock in /usr/local/lib/python3.10/dist-packages (from transformers) (3.14.0)\n",
|
| 390 |
+
"Requirement already satisfied: huggingface-hub<1.0,>=0.23.0 in /usr/local/lib/python3.10/dist-packages (from transformers) (0.23.0)\n",
|
| 391 |
+
"Requirement already satisfied: numpy>=1.17 in /usr/local/lib/python3.10/dist-packages (from transformers) (1.25.2)\n",
|
| 392 |
+
"Requirement already satisfied: packaging>=20.0 in /usr/local/lib/python3.10/dist-packages (from transformers) (24.0)\n",
|
| 393 |
+
"Requirement already satisfied: pyyaml>=5.1 in /usr/local/lib/python3.10/dist-packages (from transformers) (6.0.1)\n",
|
| 394 |
+
"Requirement already satisfied: regex!=2019.12.17 in /usr/local/lib/python3.10/dist-packages (from transformers) (2023.12.25)\n",
|
| 395 |
+
"Requirement already satisfied: tokenizers<0.20,>=0.19 in /usr/local/lib/python3.10/dist-packages (from transformers) (0.19.1)\n",
|
| 396 |
+
"Requirement already satisfied: safetensors>=0.4.1 in /usr/local/lib/python3.10/dist-packages (from transformers) (0.4.3)\n",
|
| 397 |
+
"Requirement already satisfied: tqdm>=4.27 in /usr/local/lib/python3.10/dist-packages (from transformers) (4.66.4)\n",
|
| 398 |
+
"Requirement already satisfied: fsspec>=2023.5.0 in /usr/local/lib/python3.10/dist-packages (from huggingface-hub<1.0,>=0.23.0->transformers) (2023.6.0)\n",
|
| 399 |
+
"Requirement already satisfied: typing-extensions>=3.7.4.3 in /usr/local/lib/python3.10/dist-packages (from huggingface-hub<1.0,>=0.23.0->transformers) (4.11.0)\n"
|
| 400 |
+
]
|
| 401 |
+
}
|
| 402 |
+
]
|
| 403 |
+
},
|
| 404 |
+
{
|
| 405 |
+
"cell_type": "code",
|
| 406 |
+
"source": [
|
| 407 |
+
"import requests\n",
|
| 408 |
+
"import zipfile\n",
|
| 409 |
+
"import os\n",
|
| 410 |
+
"\n",
|
| 411 |
+
"# URL du fichier zip sur Hugging Face\n",
|
| 412 |
+
"zip_url = 'https://huggingface.co/datasets/Dabococo/wheeloh_dataset/images'\n",
|
| 413 |
+
"\n",
|
| 414 |
+
"# Nom local du fichier zip\n",
|
| 415 |
+
"zip_file = 'images.zip'\n",
|
| 416 |
+
"\n",
|
| 417 |
+
"# Télécharger le fichier zip\n",
|
| 418 |
+
"response = requests.get(zip_url)\n",
|
| 419 |
+
"content_type = response.headers.get('Content-Type')\n",
|
| 420 |
+
"\n",
|
| 421 |
+
"# Vérifier que le fichier est un fichier zip\n",
|
| 422 |
+
"if 'zip' not in content_type:\n",
|
| 423 |
+
" raise ValueError(\"Le fichier téléchargé n'est pas un fichier zip. Content-Type: {}\".format(content_type))\n",
|
| 424 |
+
"\n",
|
| 425 |
+
"# Sauvegarder le contenu téléchargé dans un fichier\n",
|
| 426 |
+
"with open(zip_file, 'wb') as f:\n",
|
| 427 |
+
" f.write(response.content)\n",
|
| 428 |
+
"\n",
|
| 429 |
+
"# Vérifier la taille du fichier\n",
|
| 430 |
+
"file_size = os.path.getsize(zip_file)\n",
|
| 431 |
+
"print(\"Taille du fichier téléchargé:\", file_size, \"octets\")\n",
|
| 432 |
+
"\n",
|
| 433 |
+
"# Afficher le début du contenu du fichier pour vérifier\n",
|
| 434 |
+
"with open(zip_file, 'rb') as f:\n",
|
| 435 |
+
" print(f.read(100)) # Lire les 100 premiers octets\n",
|
| 436 |
+
"\n",
|
| 437 |
+
"# Créer un répertoire pour extraire les fichiers\n",
|
| 438 |
+
"extract_dir = 'extracted_files'\n",
|
| 439 |
+
"os.makedirs(extract_dir, exist_ok=True)\n",
|
| 440 |
+
"\n",
|
| 441 |
+
"# Extraire le contenu du fichier zip\n",
|
| 442 |
+
"try:\n",
|
| 443 |
+
" with zipfile.ZipFile(zip_file, 'r') as zip_ref:\n",
|
| 444 |
+
" zip_ref.extractall(extract_dir)\n",
|
| 445 |
+
" # Afficher les fichiers extraits\n",
|
| 446 |
+
" extracted_files = os.listdir(extract_dir)\n",
|
| 447 |
+
" print(\"Fichiers extraits :\", extracted_files)\n",
|
| 448 |
+
"except zipfile.BadZipFile:\n",
|
| 449 |
+
" print(\"Erreur : le fichier téléchargé n'est pas un fichier zip valide.\")"
|
| 450 |
+
],
|
| 451 |
+
"metadata": {
|
| 452 |
+
"colab": {
|
| 453 |
+
"base_uri": "https://localhost:8080/",
|
| 454 |
+
"height": 241
|
| 455 |
+
},
|
| 456 |
+
"id": "WX_U7Z6GRpTR",
|
| 457 |
+
"outputId": "5efdb53c-196c-4692-91ff-e9c131fce1f4"
|
| 458 |
+
},
|
| 459 |
+
"execution_count": 22,
|
| 460 |
+
"outputs": [
|
| 461 |
+
{
|
| 462 |
+
"output_type": "error",
|
| 463 |
+
"ename": "ValueError",
|
| 464 |
+
"evalue": "Le fichier téléchargé n'est pas un fichier zip. Content-Type: text/html; charset=utf-8",
|
| 465 |
+
"traceback": [
|
| 466 |
+
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
|
| 467 |
+
"\u001b[0;31mValueError\u001b[0m Traceback (most recent call last)",
|
| 468 |
+
"\u001b[0;32m<ipython-input-22-9e950cb9106e>\u001b[0m in \u001b[0;36m<cell line: 16>\u001b[0;34m()\u001b[0m\n\u001b[1;32m 15\u001b[0m \u001b[0;31m# Vérifier que le fichier est un fichier zip\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 16\u001b[0m \u001b[0;32mif\u001b[0m \u001b[0;34m'zip'\u001b[0m \u001b[0;32mnot\u001b[0m \u001b[0;32min\u001b[0m \u001b[0mcontent_type\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m---> 17\u001b[0;31m \u001b[0;32mraise\u001b[0m \u001b[0mValueError\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m\"Le fichier téléchargé n'est pas un fichier zip. Content-Type: {}\"\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mformat\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mcontent_type\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m 18\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 19\u001b[0m \u001b[0;31m# Sauvegarder le contenu téléchargé dans un fichier\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
|
| 469 |
+
"\u001b[0;31mValueError\u001b[0m: Le fichier téléchargé n'est pas un fichier zip. Content-Type: text/html; charset=utf-8"
|
| 470 |
+
]
|
| 471 |
+
}
|
| 472 |
+
]
|
| 473 |
+
},
|
| 474 |
+
{
|
| 475 |
+
"cell_type": "code",
|
| 476 |
+
"source": [
|
| 477 |
+
"from torchvision.datasets import ImageFolder\n",
|
| 478 |
+
"import os\n",
|
| 479 |
+
"from torchvision.datasets.folder import has_file_allowed_extension, IMG_EXTENSIONS, default_loader\n",
|
| 480 |
+
"\n",
|
| 481 |
+
"class CustomImageFolder(ImageFolder):\n",
|
| 482 |
+
" def __init__(self, root, transform=None, loader=default_loader, is_valid_file=None):\n",
|
| 483 |
+
" super().__init__(root, transform=transform, loader=loader, is_valid_file=is_valid_file)\n",
|
| 484 |
+
"\n",
|
| 485 |
+
" def find_classes(self, directory):\n",
|
| 486 |
+
" # Ignorer les répertoires cachés\n",
|
| 487 |
+
" classes = [d.name for d in os.scandir(directory) if d.is_dir() and not d.name.startswith('.')]\n",
|
| 488 |
+
" classes.sort()\n",
|
| 489 |
+
" class_to_idx = {cls_name: i for i, cls_name in enumerate(classes)}\n",
|
| 490 |
+
" return classes, class_to_idx\n",
|
| 491 |
+
"\n",
|
| 492 |
+
" def make_dataset(self, directory, class_to_idx, extensions=None, is_valid_file=None, allow_empty=False):\n",
|
| 493 |
+
" instances = []\n",
|
| 494 |
+
" directory = os.path.expanduser(directory)\n",
|
| 495 |
+
" both_none = extensions is None and is_valid_file is None\n",
|
| 496 |
+
" if both_none:\n",
|
| 497 |
+
" raise ValueError(\"Both extensions and is_valid_file cannot be None\")\n",
|
| 498 |
+
" if extensions is not None:\n",
|
| 499 |
+
" def is_valid_file(x):\n",
|
| 500 |
+
" return has_file_allowed_extension(x, extensions)\n",
|
| 501 |
+
"\n",
|
| 502 |
+
" for target_class in sorted(class_to_idx.keys()):\n",
|
| 503 |
+
" class_index = class_to_idx[target_class]\n",
|
| 504 |
+
" target_dir = os.path.join(directory, target_class)\n",
|
| 505 |
+
" if not os.path.isdir(target_dir):\n",
|
| 506 |
+
" continue\n",
|
| 507 |
+
" for root, _, fnames in sorted(os.walk(target_dir)):\n",
|
| 508 |
+
" for fname in sorted(fnames):\n",
|
| 509 |
+
" path = os.path.join(root, fname)\n",
|
| 510 |
+
" if is_valid_file(path) and not fname.startswith('.'):\n",
|
| 511 |
+
" item = path, class_index\n",
|
| 512 |
+
" instances.append(item)\n",
|
| 513 |
+
"\n",
|
| 514 |
+
" if not allow_empty and len(instances) == 0:\n",
|
| 515 |
+
" raise RuntimeError(f\"Found 0 files in subfolders of: {directory}. Supported extensions are: {','.join(extensions)}\")\n",
|
| 516 |
+
"\n",
|
| 517 |
+
" return instances"
|
| 518 |
+
],
|
| 519 |
+
"metadata": {
|
| 520 |
+
"id": "5y-PWXOnoH-k"
|
| 521 |
+
},
|
| 522 |
+
"execution_count": 7,
|
| 523 |
+
"outputs": []
|
| 524 |
+
},
|
| 525 |
+
{
|
| 526 |
+
"cell_type": "code",
|
| 527 |
+
"execution_count": 9,
|
| 528 |
+
"metadata": {
|
| 529 |
+
"colab": {
|
| 530 |
+
"base_uri": "https://localhost:8080/"
|
| 531 |
+
},
|
| 532 |
+
"id": "CuyZBWiyP88V",
|
| 533 |
+
"outputId": "fdef3381-9464-4433-c96d-2343bc22a1f6"
|
| 534 |
+
},
|
| 535 |
+
"outputs": [
|
| 536 |
+
{
|
| 537 |
+
"output_type": "stream",
|
| 538 |
+
"name": "stderr",
|
| 539 |
+
"text": [
|
| 540 |
+
"100%|██████████| 16/16 [00:08<00:00, 1.86it/s]\n"
|
| 541 |
+
]
|
| 542 |
+
},
|
| 543 |
+
{
|
| 544 |
+
"output_type": "stream",
|
| 545 |
+
"name": "stdout",
|
| 546 |
+
"text": [
|
| 547 |
+
"Epoch [1/10], Loss: 0.2799\n"
|
| 548 |
+
]
|
| 549 |
+
},
|
| 550 |
+
{
|
| 551 |
+
"output_type": "stream",
|
| 552 |
+
"name": "stderr",
|
| 553 |
+
"text": [
|
| 554 |
+
"100%|██████████| 16/16 [00:08<00:00, 1.96it/s]\n"
|
| 555 |
+
]
|
| 556 |
+
},
|
| 557 |
+
{
|
| 558 |
+
"output_type": "stream",
|
| 559 |
+
"name": "stdout",
|
| 560 |
+
"text": [
|
| 561 |
+
"Epoch [2/10], Loss: 0.0916\n"
|
| 562 |
+
]
|
| 563 |
+
},
|
| 564 |
+
{
|
| 565 |
+
"output_type": "stream",
|
| 566 |
+
"name": "stderr",
|
| 567 |
+
"text": [
|
| 568 |
+
"100%|██████████| 16/16 [00:07<00:00, 2.08it/s]\n"
|
| 569 |
+
]
|
| 570 |
+
},
|
| 571 |
+
{
|
| 572 |
+
"output_type": "stream",
|
| 573 |
+
"name": "stdout",
|
| 574 |
+
"text": [
|
| 575 |
+
"Epoch [3/10], Loss: 0.0356\n"
|
| 576 |
+
]
|
| 577 |
+
},
|
| 578 |
+
{
|
| 579 |
+
"output_type": "stream",
|
| 580 |
+
"name": "stderr",
|
| 581 |
+
"text": [
|
| 582 |
+
"100%|██████████| 16/16 [00:08<00:00, 1.86it/s]\n"
|
| 583 |
+
]
|
| 584 |
+
},
|
| 585 |
+
{
|
| 586 |
+
"output_type": "stream",
|
| 587 |
+
"name": "stdout",
|
| 588 |
+
"text": [
|
| 589 |
+
"Epoch [4/10], Loss: 0.0253\n"
|
| 590 |
+
]
|
| 591 |
+
},
|
| 592 |
+
{
|
| 593 |
+
"output_type": "stream",
|
| 594 |
+
"name": "stderr",
|
| 595 |
+
"text": [
|
| 596 |
+
"100%|██████████| 16/16 [00:07<00:00, 2.25it/s]\n"
|
| 597 |
+
]
|
| 598 |
+
},
|
| 599 |
+
{
|
| 600 |
+
"output_type": "stream",
|
| 601 |
+
"name": "stdout",
|
| 602 |
+
"text": [
|
| 603 |
+
"Epoch [5/10], Loss: 0.0101\n"
|
| 604 |
+
]
|
| 605 |
+
},
|
| 606 |
+
{
|
| 607 |
+
"output_type": "stream",
|
| 608 |
+
"name": "stderr",
|
| 609 |
+
"text": [
|
| 610 |
+
"100%|██████████| 16/16 [00:09<00:00, 1.73it/s]\n"
|
| 611 |
+
]
|
| 612 |
+
},
|
| 613 |
+
{
|
| 614 |
+
"output_type": "stream",
|
| 615 |
+
"name": "stdout",
|
| 616 |
+
"text": [
|
| 617 |
+
"Epoch [6/10], Loss: 0.0089\n"
|
| 618 |
+
]
|
| 619 |
+
},
|
| 620 |
+
{
|
| 621 |
+
"output_type": "stream",
|
| 622 |
+
"name": "stderr",
|
| 623 |
+
"text": [
|
| 624 |
+
"100%|██████████| 16/16 [00:08<00:00, 1.81it/s]\n"
|
| 625 |
+
]
|
| 626 |
+
},
|
| 627 |
+
{
|
| 628 |
+
"output_type": "stream",
|
| 629 |
+
"name": "stdout",
|
| 630 |
+
"text": [
|
| 631 |
+
"Epoch [7/10], Loss: 0.0096\n"
|
| 632 |
+
]
|
| 633 |
+
},
|
| 634 |
+
{
|
| 635 |
+
"output_type": "stream",
|
| 636 |
+
"name": "stderr",
|
| 637 |
+
"text": [
|
| 638 |
+
"100%|██████████| 16/16 [00:07<00:00, 2.23it/s]\n"
|
| 639 |
+
]
|
| 640 |
+
},
|
| 641 |
+
{
|
| 642 |
+
"output_type": "stream",
|
| 643 |
+
"name": "stdout",
|
| 644 |
+
"text": [
|
| 645 |
+
"Epoch [8/10], Loss: 0.0101\n"
|
| 646 |
+
]
|
| 647 |
+
},
|
| 648 |
+
{
|
| 649 |
+
"output_type": "stream",
|
| 650 |
+
"name": "stderr",
|
| 651 |
+
"text": [
|
| 652 |
+
"100%|██████████| 16/16 [00:08<00:00, 1.85it/s]\n"
|
| 653 |
+
]
|
| 654 |
+
},
|
| 655 |
+
{
|
| 656 |
+
"output_type": "stream",
|
| 657 |
+
"name": "stdout",
|
| 658 |
+
"text": [
|
| 659 |
+
"Epoch [9/10], Loss: 0.0631\n"
|
| 660 |
+
]
|
| 661 |
+
},
|
| 662 |
+
{
|
| 663 |
+
"output_type": "stream",
|
| 664 |
+
"name": "stderr",
|
| 665 |
+
"text": [
|
| 666 |
+
"100%|██████████| 16/16 [00:07<00:00, 2.20it/s]\n"
|
| 667 |
+
]
|
| 668 |
+
},
|
| 669 |
+
{
|
| 670 |
+
"output_type": "stream",
|
| 671 |
+
"name": "stdout",
|
| 672 |
+
"text": [
|
| 673 |
+
"Epoch [10/10], Loss: 0.0186\n",
|
| 674 |
+
"Finished Training\n"
|
| 675 |
+
]
|
| 676 |
+
}
|
| 677 |
+
],
|
| 678 |
+
"source": [
|
| 679 |
+
"import torch\n",
|
| 680 |
+
"import torch.nn as nn\n",
|
| 681 |
+
"import torch.optim as optim\n",
|
| 682 |
+
"from torch.utils.data import DataLoader\n",
|
| 683 |
+
"from torchvision import transforms, models\n",
|
| 684 |
+
"from tqdm import tqdm\n",
|
| 685 |
+
"\n",
|
| 686 |
+
"# Configuration\n",
|
| 687 |
+
"batch_size = 32\n",
|
| 688 |
+
"num_epochs = 10\n",
|
| 689 |
+
"learning_rate = 0.001\n",
|
| 690 |
+
"num_classes = 2\n",
|
| 691 |
+
"\n",
|
| 692 |
+
"# Préparer les transformations\n",
|
| 693 |
+
"transform = transforms.Compose([\n",
|
| 694 |
+
" transforms.Resize((224, 224)),\n",
|
| 695 |
+
" transforms.ToTensor(),\n",
|
| 696 |
+
" transforms.Normalize(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225])\n",
|
| 697 |
+
"])\n",
|
| 698 |
+
"\n",
|
| 699 |
+
"# Charger les données d'entraînement avec CustomImageFolder\n",
|
| 700 |
+
"train_dataset = CustomImageFolder(root='/content/dataset/train', transform=transform)\n",
|
| 701 |
+
"train_loader = DataLoader(train_dataset, batch_size=batch_size, shuffle=True, num_workers=4, pin_memory=True)\n",
|
| 702 |
+
"\n",
|
| 703 |
+
"# Définir le modèle\n",
|
| 704 |
+
"model = models.resnet18(pretrained=True)\n",
|
| 705 |
+
"model.fc = nn.Linear(model.fc.in_features, num_classes)\n",
|
| 706 |
+
"model = model.to('cuda')\n",
|
| 707 |
+
"\n",
|
| 708 |
+
"# Définir la perte et l'optimiseur\n",
|
| 709 |
+
"criterion = nn.CrossEntropyLoss()\n",
|
| 710 |
+
"optimizer = optim.Adam(model.parameters(), lr=learning_rate)\n",
|
| 711 |
+
"\n",
|
| 712 |
+
"# Utiliser le scaler pour l'AMP\n",
|
| 713 |
+
"scaler = torch.cuda.amp.GradScaler()\n",
|
| 714 |
+
"\n",
|
| 715 |
+
"# Entraînement\n",
|
| 716 |
+
"for epoch in range(num_epochs):\n",
|
| 717 |
+
" model.train()\n",
|
| 718 |
+
" running_loss = 0.0\n",
|
| 719 |
+
" for inputs, labels in tqdm(train_loader):\n",
|
| 720 |
+
" inputs, labels = inputs.to('cuda'), labels.to('cuda')\n",
|
| 721 |
+
"\n",
|
| 722 |
+
" # Zero the parameter gradients\n",
|
| 723 |
+
" optimizer.zero_grad()\n",
|
| 724 |
+
"\n",
|
| 725 |
+
" # Forward pass with autocast\n",
|
| 726 |
+
" with torch.cuda.amp.autocast():\n",
|
| 727 |
+
" outputs = model(inputs)\n",
|
| 728 |
+
" loss = criterion(outputs, labels)\n",
|
| 729 |
+
"\n",
|
| 730 |
+
" # Backward pass with scaler\n",
|
| 731 |
+
" scaler.scale(loss).backward()\n",
|
| 732 |
+
" scaler.step(optimizer)\n",
|
| 733 |
+
" scaler.update()\n",
|
| 734 |
+
"\n",
|
| 735 |
+
" running_loss += loss.item() * inputs.size(0)\n",
|
| 736 |
+
"\n",
|
| 737 |
+
" epoch_loss = running_loss / len(train_loader.dataset)\n",
|
| 738 |
+
" print(f'Epoch [{epoch + 1}/{num_epochs}], Loss: {epoch_loss:.4f}')\n",
|
| 739 |
+
"\n",
|
| 740 |
+
"print('Finished Training')\n",
|
| 741 |
+
"\n",
|
| 742 |
+
"# Sauvegarder le modèle\n",
|
| 743 |
+
"torch.save(model.state_dict(), 'model.pth')"
|
| 744 |
+
]
|
| 745 |
+
},
|
| 746 |
+
{
|
| 747 |
+
"cell_type": "code",
|
| 748 |
+
"source": [
|
| 749 |
+
"#Ici pour charger le modèle"
|
| 750 |
+
],
|
| 751 |
+
"metadata": {
|
| 752 |
+
"id": "aJBYukdNfx8P"
|
| 753 |
+
},
|
| 754 |
+
"execution_count": null,
|
| 755 |
+
"outputs": []
|
| 756 |
+
},
|
| 757 |
+
{
|
| 758 |
+
"cell_type": "code",
|
| 759 |
+
"source": [
|
| 760 |
+
"import torch\n",
|
| 761 |
+
"import torch.nn as nn\n",
|
| 762 |
+
"from torchvision import models, transforms\n",
|
| 763 |
+
"from PIL import Image\n",
|
| 764 |
+
"\n",
|
| 765 |
+
"# Définir le modèle\n",
|
| 766 |
+
"num_classes = 2 # Canard et Perroquet\n",
|
| 767 |
+
"model = models.resnet18(pretrained=False)\n",
|
| 768 |
+
"model.fc = nn.Linear(model.fc.in_features, num_classes)\n",
|
| 769 |
+
"model = model.to('cuda')\n",
|
| 770 |
+
"\n",
|
| 771 |
+
"# Charger les poids du modèle enregistré\n",
|
| 772 |
+
"model.load_state_dict(torch.load('model.pth'))\n",
|
| 773 |
+
"model.eval() # Mettre le modèle en mode évaluation\n",
|
| 774 |
+
"\n",
|
| 775 |
+
"# Définir les transformations\n",
|
| 776 |
+
"transform = transforms.Compose([\n",
|
| 777 |
+
" transforms.Resize((224, 224)),\n",
|
| 778 |
+
" transforms.ToTensor(),\n",
|
| 779 |
+
" transforms.Normalize(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225])\n",
|
| 780 |
+
"])\n",
|
| 781 |
+
"\n",
|
| 782 |
+
"# Charger et transformer une nouvelle image\n",
|
| 783 |
+
"def load_image(image_path):\n",
|
| 784 |
+
" image = Image.open(image_path).convert('RGB')\n",
|
| 785 |
+
" image = transform(image)\n",
|
| 786 |
+
" image = image.unsqueeze(0) # Ajouter une dimension pour le batch\n",
|
| 787 |
+
" return image\n",
|
| 788 |
+
"\n",
|
| 789 |
+
"# Exemple de chargement d'une image\n",
|
| 790 |
+
"image_path = '/content/lg.jpeg'\n",
|
| 791 |
+
"image = load_image(image_path).to('cuda')\n",
|
| 792 |
+
"\n",
|
| 793 |
+
"# Passer l'image dans le modèle pour obtenir des prédictions\n",
|
| 794 |
+
"with torch.no_grad(): # Désactiver la grad pour l'inférence\n",
|
| 795 |
+
" outputs = model(image)\n",
|
| 796 |
+
" _, predicted = torch.max(outputs, 1)\n",
|
| 797 |
+
"\n",
|
| 798 |
+
" classes = ['Alpine', 'Bugatti']\n",
|
| 799 |
+
" predicted_class = classes[predicted.item()]\n",
|
| 800 |
+
" print(f'Predicted class: {predicted_class}')"
|
| 801 |
+
],
|
| 802 |
+
"metadata": {
|
| 803 |
+
"colab": {
|
| 804 |
+
"base_uri": "https://localhost:8080/"
|
| 805 |
+
},
|
| 806 |
+
"id": "oj0pgYdyQFXz",
|
| 807 |
+
"outputId": "13c95418-6dcd-440c-cb78-2edbfdb8b386"
|
| 808 |
+
},
|
| 809 |
+
"execution_count": 22,
|
| 810 |
+
"outputs": [
|
| 811 |
+
{
|
| 812 |
+
"output_type": "stream",
|
| 813 |
+
"name": "stdout",
|
| 814 |
+
"text": [
|
| 815 |
+
"Predicted class: Bugatti\n"
|
| 816 |
+
]
|
| 817 |
+
}
|
| 818 |
+
]
|
| 819 |
+
},
|
| 820 |
+
{
|
| 821 |
+
"cell_type": "code",
|
| 822 |
+
"source": [
|
| 823 |
+
"!pip install transformers huggingface_hub"
|
| 824 |
+
],
|
| 825 |
+
"metadata": {
|
| 826 |
+
"colab": {
|
| 827 |
+
"base_uri": "https://localhost:8080/"
|
| 828 |
+
},
|
| 829 |
+
"id": "cksp1PveZU22",
|
| 830 |
+
"outputId": "eb8bdf38-4cc2-42ce-a047-d02b22c004bb"
|
| 831 |
+
},
|
| 832 |
+
"execution_count": 23,
|
| 833 |
+
"outputs": [
|
| 834 |
+
{
|
| 835 |
+
"output_type": "stream",
|
| 836 |
+
"name": "stdout",
|
| 837 |
+
"text": [
|
| 838 |
+
"Requirement already satisfied: transformers in /usr/local/lib/python3.10/dist-packages (4.41.0)\n",
|
| 839 |
+
"Requirement already satisfied: huggingface_hub in /usr/local/lib/python3.10/dist-packages (0.23.0)\n",
|
| 840 |
+
"Requirement already satisfied: filelock in /usr/local/lib/python3.10/dist-packages (from transformers) (3.14.0)\n",
|
| 841 |
+
"Requirement already satisfied: numpy>=1.17 in /usr/local/lib/python3.10/dist-packages (from transformers) (1.25.2)\n",
|
| 842 |
+
"Requirement already satisfied: packaging>=20.0 in /usr/local/lib/python3.10/dist-packages (from transformers) (24.0)\n",
|
| 843 |
+
"Requirement already satisfied: pyyaml>=5.1 in /usr/local/lib/python3.10/dist-packages (from transformers) (6.0.1)\n",
|
| 844 |
+
"Requirement already satisfied: regex!=2019.12.17 in /usr/local/lib/python3.10/dist-packages (from transformers) (2023.12.25)\n",
|
| 845 |
+
"Requirement already satisfied: requests in /usr/local/lib/python3.10/dist-packages (from transformers) (2.31.0)\n",
|
| 846 |
+
"Requirement already satisfied: tokenizers<0.20,>=0.19 in /usr/local/lib/python3.10/dist-packages (from transformers) (0.19.1)\n",
|
| 847 |
+
"Requirement already satisfied: safetensors>=0.4.1 in /usr/local/lib/python3.10/dist-packages (from transformers) (0.4.3)\n",
|
| 848 |
+
"Requirement already satisfied: tqdm>=4.27 in /usr/local/lib/python3.10/dist-packages (from transformers) (4.66.4)\n",
|
| 849 |
+
"Requirement already satisfied: fsspec>=2023.5.0 in /usr/local/lib/python3.10/dist-packages (from huggingface_hub) (2023.6.0)\n",
|
| 850 |
+
"Requirement already satisfied: typing-extensions>=3.7.4.3 in /usr/local/lib/python3.10/dist-packages (from huggingface_hub) (4.11.0)\n",
|
| 851 |
+
"Requirement already satisfied: charset-normalizer<4,>=2 in /usr/local/lib/python3.10/dist-packages (from requests->transformers) (3.3.2)\n",
|
| 852 |
+
"Requirement already satisfied: idna<4,>=2.5 in /usr/local/lib/python3.10/dist-packages (from requests->transformers) (3.7)\n",
|
| 853 |
+
"Requirement already satisfied: urllib3<3,>=1.21.1 in /usr/local/lib/python3.10/dist-packages (from requests->transformers) (2.0.7)\n",
|
| 854 |
+
"Requirement already satisfied: certifi>=2017.4.17 in /usr/local/lib/python3.10/dist-packages (from requests->transformers) (2024.2.2)\n"
|
| 855 |
+
]
|
| 856 |
+
}
|
| 857 |
+
]
|
| 858 |
+
},
|
| 859 |
+
{
|
| 860 |
+
"cell_type": "code",
|
| 861 |
+
"source": [
|
| 862 |
+
"!huggingface-cli login"
|
| 863 |
+
],
|
| 864 |
+
"metadata": {
|
| 865 |
+
"colab": {
|
| 866 |
+
"base_uri": "https://localhost:8080/"
|
| 867 |
+
},
|
| 868 |
+
"id": "c-3Qxby1ZWFV",
|
| 869 |
+
"outputId": "66148da3-bf28-4fa4-baf6-0034b8b5b35e"
|
| 870 |
+
},
|
| 871 |
+
"execution_count": 11,
|
| 872 |
+
"outputs": [
|
| 873 |
+
{
|
| 874 |
+
"output_type": "stream",
|
| 875 |
+
"name": "stdout",
|
| 876 |
+
"text": [
|
| 877 |
+
"\n",
|
| 878 |
+
" _| _| _| _| _|_|_| _|_|_| _|_|_| _| _| _|_|_| _|_|_|_| _|_| _|_|_| _|_|_|_|\n",
|
| 879 |
+
" _| _| _| _| _| _| _| _|_| _| _| _| _| _| _| _|\n",
|
| 880 |
+
" _|_|_|_| _| _| _| _|_| _| _|_| _| _| _| _| _| _|_| _|_|_| _|_|_|_| _| _|_|_|\n",
|
| 881 |
+
" _| _| _| _| _| _| _| _| _| _| _|_| _| _| _| _| _| _| _|\n",
|
| 882 |
+
" _| _| _|_| _|_|_| _|_|_| _|_|_| _| _| _|_|_| _| _| _| _|_|_| _|_|_|_|\n",
|
| 883 |
+
"\n",
|
| 884 |
+
" To login, `huggingface_hub` requires a token generated from https://huggingface.co/settings/tokens .\n",
|
| 885 |
+
"Enter your token (input will not be visible): \n",
|
| 886 |
+
"Add token as git credential? (Y/n) Y\n",
|
| 887 |
+
"Token is valid (permission: read).\n",
|
| 888 |
+
"\u001b[1m\u001b[31mCannot authenticate through git-credential as no helper is defined on your machine.\n",
|
| 889 |
+
"You might have to re-authenticate when pushing to the Hugging Face Hub.\n",
|
| 890 |
+
"Run the following command in your terminal in case you want to set the 'store' credential helper as default.\n",
|
| 891 |
+
"\n",
|
| 892 |
+
"git config --global credential.helper store\n",
|
| 893 |
+
"\n",
|
| 894 |
+
"Read https://git-scm.com/book/en/v2/Git-Tools-Credential-Storage for more details.\u001b[0m\n",
|
| 895 |
+
"Token has not been saved to git credential helper.\n",
|
| 896 |
+
"Your token has been saved to /root/.cache/huggingface/token\n",
|
| 897 |
+
"Login successful\n"
|
| 898 |
+
]
|
| 899 |
+
}
|
| 900 |
+
]
|
| 901 |
+
},
|
| 902 |
+
{
|
| 903 |
+
"cell_type": "code",
|
| 904 |
+
"source": [
|
| 905 |
+
"from huggingface_hub import HfApi, HfFolder, Repository\n",
|
| 906 |
+
"\n",
|
| 907 |
+
"# Variables\n",
|
| 908 |
+
"model_path = \"Wheeloh-model_1.pth\"\n",
|
| 909 |
+
"repo_name = \"Wheeloh-model_1\" # Remplacez par le nom de votre dépôt\n",
|
| 910 |
+
"commit_message = \"Initial commit\"\n",
|
| 911 |
+
"\n",
|
| 912 |
+
"# Se connecter à l'API\n",
|
| 913 |
+
"api = HfApi()\n",
|
| 914 |
+
"\n",
|
| 915 |
+
"# Obtenir le token d'authentification\n",
|
| 916 |
+
"token = HfFolder.get_token()\n",
|
| 917 |
+
"\n",
|
| 918 |
+
"# Cloner le dépôt Hugging Face\n",
|
| 919 |
+
"repo_url = api.create_repo(repo_name, token=token, exist_ok=True)\n",
|
| 920 |
+
"repo = Repository(local_dir=repo_name, clone_from=repo_url)\n",
|
| 921 |
+
"\n",
|
| 922 |
+
"# Copier le fichier du modèle dans le dépôt local\n",
|
| 923 |
+
"import shutil\n",
|
| 924 |
+
"shutil.copy(model_path, repo_name)\n",
|
| 925 |
+
"\n",
|
| 926 |
+
"# Pousser le modèle sur le hub\n",
|
| 927 |
+
"repo.push_to_hub(commit_message=commit_message)\n"
|
| 928 |
+
],
|
| 929 |
+
"metadata": {
|
| 930 |
+
"colab": {
|
| 931 |
+
"base_uri": "https://localhost:8080/",
|
| 932 |
+
"height": 421,
|
| 933 |
+
"referenced_widgets": [
|
| 934 |
+
"a710457b00a849da9c24e1e1afb9d616",
|
| 935 |
+
"7b58972d4c704aa3bcc59a7a3c18682f",
|
| 936 |
+
"624e284bf09843a7a0b10256fbc416d0",
|
| 937 |
+
"e5b7191907914d75983b7e4b717b86d3",
|
| 938 |
+
"6434432da36a4755981ad001472e0cff",
|
| 939 |
+
"40a3244cfaa4404bb7ce4247564df6ed",
|
| 940 |
+
"234f2286e51c4a53b36584b49cd5a01f",
|
| 941 |
+
"66ade188379547aaae0724b4e3d87051",
|
| 942 |
+
"4f8c9691cd1b4faab91f7fb34348b716",
|
| 943 |
+
"7e6ba9a0ee6046b8961da2bf09d287ac",
|
| 944 |
+
"8ac32f54acd140b483ae523e22a9652b"
|
| 945 |
+
]
|
| 946 |
+
},
|
| 947 |
+
"id": "LDyh9-MfZiMX",
|
| 948 |
+
"outputId": "e0e9ab72-d5df-4f21-eb3a-5226263071de"
|
| 949 |
+
},
|
| 950 |
+
"execution_count": 25,
|
| 951 |
+
"outputs": [
|
| 952 |
+
{
|
| 953 |
+
"output_type": "stream",
|
| 954 |
+
"name": "stderr",
|
| 955 |
+
"text": [
|
| 956 |
+
"/usr/local/lib/python3.10/dist-packages/huggingface_hub/utils/_token.py:89: UserWarning: \n",
|
| 957 |
+
"The secret `HF_TOKEN` does not exist in your Colab secrets.\n",
|
| 958 |
+
"To authenticate with the Hugging Face Hub, create a token in your settings tab (https://huggingface.co/settings/tokens), set it as secret in your Google Colab and restart your session.\n",
|
| 959 |
+
"You will be able to reuse this secret in all of your notebooks.\n",
|
| 960 |
+
"Please note that authentication is recommended but still optional to access public models or datasets.\n",
|
| 961 |
+
" warnings.warn(\n",
|
| 962 |
+
"/usr/local/lib/python3.10/dist-packages/huggingface_hub/utils/_deprecation.py:131: FutureWarning: 'Repository' (from 'huggingface_hub.repository') is deprecated and will be removed from version '1.0'. Please prefer the http-based alternatives instead. Given its large adoption in legacy code, the complete removal is only planned on next major release.\n",
|
| 963 |
+
"For more details, please read https://huggingface.co/docs/huggingface_hub/concepts/git_vs_http.\n",
|
| 964 |
+
" warnings.warn(warning_message, FutureWarning)\n",
|
| 965 |
+
"Cloning https://huggingface.co/Dabococo/Wheeloh-model_1 into local empty directory.\n",
|
| 966 |
+
"WARNING:huggingface_hub.repository:Cloning https://huggingface.co/Dabococo/Wheeloh-model_1 into local empty directory.\n"
|
| 967 |
+
]
|
| 968 |
+
},
|
| 969 |
+
{
|
| 970 |
+
"output_type": "display_data",
|
| 971 |
+
"data": {
|
| 972 |
+
"text/plain": [
|
| 973 |
+
"Upload file Wheeloh-model_1.pth: 0%| | 1.00/42.7M [00:00<?, ?B/s]"
|
| 974 |
+
],
|
| 975 |
+
"application/vnd.jupyter.widget-view+json": {
|
| 976 |
+
"version_major": 2,
|
| 977 |
+
"version_minor": 0,
|
| 978 |
+
"model_id": "a710457b00a849da9c24e1e1afb9d616"
|
| 979 |
+
}
|
| 980 |
+
},
|
| 981 |
+
"metadata": {}
|
| 982 |
+
},
|
| 983 |
+
{
|
| 984 |
+
"output_type": "stream",
|
| 985 |
+
"name": "stderr",
|
| 986 |
+
"text": [
|
| 987 |
+
"To https://huggingface.co/Dabococo/Wheeloh-model_1\n",
|
| 988 |
+
" 09e573f..8606a55 main -> main\n",
|
| 989 |
+
"\n",
|
| 990 |
+
"WARNING:huggingface_hub.repository:To https://huggingface.co/Dabococo/Wheeloh-model_1\n",
|
| 991 |
+
" 09e573f..8606a55 main -> main\n",
|
| 992 |
+
"\n"
|
| 993 |
+
]
|
| 994 |
+
},
|
| 995 |
+
{
|
| 996 |
+
"output_type": "execute_result",
|
| 997 |
+
"data": {
|
| 998 |
+
"text/plain": [
|
| 999 |
+
"'https://huggingface.co/Dabococo/Wheeloh-model_1/commit/8606a554a318e75a54b8b841b31825c29f577de8'"
|
| 1000 |
+
],
|
| 1001 |
+
"application/vnd.google.colaboratory.intrinsic+json": {
|
| 1002 |
+
"type": "string"
|
| 1003 |
+
}
|
| 1004 |
+
},
|
| 1005 |
+
"metadata": {},
|
| 1006 |
+
"execution_count": 25
|
| 1007 |
+
}
|
| 1008 |
+
]
|
| 1009 |
+
}
|
| 1010 |
+
]
|
| 1011 |
+
}
|
untitled6.py
ADDED
|
@@ -0,0 +1,234 @@
|
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|
|
|
| 1 |
+
# -*- coding: utf-8 -*-
|
| 2 |
+
"""Untitled6.ipynb
|
| 3 |
+
|
| 4 |
+
Automatically generated by Colab.
|
| 5 |
+
|
| 6 |
+
Original file is located at
|
| 7 |
+
https://colab.research.google.com/drive/1b3-0ogrDvdw3WtHwOta0Ihlo46MAwDsk
|
| 8 |
+
"""
|
| 9 |
+
|
| 10 |
+
!pip install requests transformers
|
| 11 |
+
|
| 12 |
+
import requests
|
| 13 |
+
import zipfile
|
| 14 |
+
import os
|
| 15 |
+
|
| 16 |
+
# URL du fichier zip sur Hugging Face
|
| 17 |
+
zip_url = 'https://huggingface.co/datasets/Dabococo/wheeloh_dataset/images'
|
| 18 |
+
|
| 19 |
+
# Nom local du fichier zip
|
| 20 |
+
zip_file = 'images.zip'
|
| 21 |
+
|
| 22 |
+
# Télécharger le fichier zip
|
| 23 |
+
response = requests.get(zip_url)
|
| 24 |
+
content_type = response.headers.get('Content-Type')
|
| 25 |
+
|
| 26 |
+
# Vérifier que le fichier est un fichier zip
|
| 27 |
+
if 'zip' not in content_type:
|
| 28 |
+
raise ValueError("Le fichier téléchargé n'est pas un fichier zip. Content-Type: {}".format(content_type))
|
| 29 |
+
|
| 30 |
+
# Sauvegarder le contenu téléchargé dans un fichier
|
| 31 |
+
with open(zip_file, 'wb') as f:
|
| 32 |
+
f.write(response.content)
|
| 33 |
+
|
| 34 |
+
# Vérifier la taille du fichier
|
| 35 |
+
file_size = os.path.getsize(zip_file)
|
| 36 |
+
print("Taille du fichier téléchargé:", file_size, "octets")
|
| 37 |
+
|
| 38 |
+
# Afficher le début du contenu du fichier pour vérifier
|
| 39 |
+
with open(zip_file, 'rb') as f:
|
| 40 |
+
print(f.read(100)) # Lire les 100 premiers octets
|
| 41 |
+
|
| 42 |
+
# Créer un répertoire pour extraire les fichiers
|
| 43 |
+
extract_dir = 'extracted_files'
|
| 44 |
+
os.makedirs(extract_dir, exist_ok=True)
|
| 45 |
+
|
| 46 |
+
# Extraire le contenu du fichier zip
|
| 47 |
+
try:
|
| 48 |
+
with zipfile.ZipFile(zip_file, 'r') as zip_ref:
|
| 49 |
+
zip_ref.extractall(extract_dir)
|
| 50 |
+
# Afficher les fichiers extraits
|
| 51 |
+
extracted_files = os.listdir(extract_dir)
|
| 52 |
+
print("Fichiers extraits :", extracted_files)
|
| 53 |
+
except zipfile.BadZipFile:
|
| 54 |
+
print("Erreur : le fichier téléchargé n'est pas un fichier zip valide.")
|
| 55 |
+
|
| 56 |
+
from torchvision.datasets import ImageFolder
|
| 57 |
+
import os
|
| 58 |
+
from torchvision.datasets.folder import has_file_allowed_extension, IMG_EXTENSIONS, default_loader
|
| 59 |
+
|
| 60 |
+
class CustomImageFolder(ImageFolder):
|
| 61 |
+
def __init__(self, root, transform=None, loader=default_loader, is_valid_file=None):
|
| 62 |
+
super().__init__(root, transform=transform, loader=loader, is_valid_file=is_valid_file)
|
| 63 |
+
|
| 64 |
+
def find_classes(self, directory):
|
| 65 |
+
# Ignorer les répertoires cachés
|
| 66 |
+
classes = [d.name for d in os.scandir(directory) if d.is_dir() and not d.name.startswith('.')]
|
| 67 |
+
classes.sort()
|
| 68 |
+
class_to_idx = {cls_name: i for i, cls_name in enumerate(classes)}
|
| 69 |
+
return classes, class_to_idx
|
| 70 |
+
|
| 71 |
+
def make_dataset(self, directory, class_to_idx, extensions=None, is_valid_file=None, allow_empty=False):
|
| 72 |
+
instances = []
|
| 73 |
+
directory = os.path.expanduser(directory)
|
| 74 |
+
both_none = extensions is None and is_valid_file is None
|
| 75 |
+
if both_none:
|
| 76 |
+
raise ValueError("Both extensions and is_valid_file cannot be None")
|
| 77 |
+
if extensions is not None:
|
| 78 |
+
def is_valid_file(x):
|
| 79 |
+
return has_file_allowed_extension(x, extensions)
|
| 80 |
+
|
| 81 |
+
for target_class in sorted(class_to_idx.keys()):
|
| 82 |
+
class_index = class_to_idx[target_class]
|
| 83 |
+
target_dir = os.path.join(directory, target_class)
|
| 84 |
+
if not os.path.isdir(target_dir):
|
| 85 |
+
continue
|
| 86 |
+
for root, _, fnames in sorted(os.walk(target_dir)):
|
| 87 |
+
for fname in sorted(fnames):
|
| 88 |
+
path = os.path.join(root, fname)
|
| 89 |
+
if is_valid_file(path) and not fname.startswith('.'):
|
| 90 |
+
item = path, class_index
|
| 91 |
+
instances.append(item)
|
| 92 |
+
|
| 93 |
+
if not allow_empty and len(instances) == 0:
|
| 94 |
+
raise RuntimeError(f"Found 0 files in subfolders of: {directory}. Supported extensions are: {','.join(extensions)}")
|
| 95 |
+
|
| 96 |
+
return instances
|
| 97 |
+
|
| 98 |
+
import torch
|
| 99 |
+
import torch.nn as nn
|
| 100 |
+
import torch.optim as optim
|
| 101 |
+
from torch.utils.data import DataLoader
|
| 102 |
+
from torchvision import transforms, models
|
| 103 |
+
from tqdm import tqdm
|
| 104 |
+
|
| 105 |
+
# Configuration
|
| 106 |
+
batch_size = 32
|
| 107 |
+
num_epochs = 10
|
| 108 |
+
learning_rate = 0.001
|
| 109 |
+
num_classes = 2
|
| 110 |
+
|
| 111 |
+
# Préparer les transformations
|
| 112 |
+
transform = transforms.Compose([
|
| 113 |
+
transforms.Resize((224, 224)),
|
| 114 |
+
transforms.ToTensor(),
|
| 115 |
+
transforms.Normalize(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225])
|
| 116 |
+
])
|
| 117 |
+
|
| 118 |
+
# Charger les données d'entraînement avec CustomImageFolder
|
| 119 |
+
train_dataset = CustomImageFolder(root='/content/dataset/train', transform=transform)
|
| 120 |
+
train_loader = DataLoader(train_dataset, batch_size=batch_size, shuffle=True, num_workers=4, pin_memory=True)
|
| 121 |
+
|
| 122 |
+
# Définir le modèle
|
| 123 |
+
model = models.resnet18(pretrained=True)
|
| 124 |
+
model.fc = nn.Linear(model.fc.in_features, num_classes)
|
| 125 |
+
model = model.to('cuda')
|
| 126 |
+
|
| 127 |
+
# Définir la perte et l'optimiseur
|
| 128 |
+
criterion = nn.CrossEntropyLoss()
|
| 129 |
+
optimizer = optim.Adam(model.parameters(), lr=learning_rate)
|
| 130 |
+
|
| 131 |
+
# Utiliser le scaler pour l'AMP
|
| 132 |
+
scaler = torch.cuda.amp.GradScaler()
|
| 133 |
+
|
| 134 |
+
# Entraînement
|
| 135 |
+
for epoch in range(num_epochs):
|
| 136 |
+
model.train()
|
| 137 |
+
running_loss = 0.0
|
| 138 |
+
for inputs, labels in tqdm(train_loader):
|
| 139 |
+
inputs, labels = inputs.to('cuda'), labels.to('cuda')
|
| 140 |
+
|
| 141 |
+
# Zero the parameter gradients
|
| 142 |
+
optimizer.zero_grad()
|
| 143 |
+
|
| 144 |
+
# Forward pass with autocast
|
| 145 |
+
with torch.cuda.amp.autocast():
|
| 146 |
+
outputs = model(inputs)
|
| 147 |
+
loss = criterion(outputs, labels)
|
| 148 |
+
|
| 149 |
+
# Backward pass with scaler
|
| 150 |
+
scaler.scale(loss).backward()
|
| 151 |
+
scaler.step(optimizer)
|
| 152 |
+
scaler.update()
|
| 153 |
+
|
| 154 |
+
running_loss += loss.item() * inputs.size(0)
|
| 155 |
+
|
| 156 |
+
epoch_loss = running_loss / len(train_loader.dataset)
|
| 157 |
+
print(f'Epoch [{epoch + 1}/{num_epochs}], Loss: {epoch_loss:.4f}')
|
| 158 |
+
|
| 159 |
+
print('Finished Training')
|
| 160 |
+
|
| 161 |
+
# Sauvegarder le modèle
|
| 162 |
+
torch.save(model.state_dict(), 'model.pth')
|
| 163 |
+
|
| 164 |
+
#Ici pour charger le modèle
|
| 165 |
+
|
| 166 |
+
import torch
|
| 167 |
+
import torch.nn as nn
|
| 168 |
+
from torchvision import models, transforms
|
| 169 |
+
from PIL import Image
|
| 170 |
+
|
| 171 |
+
# Définir le modèle
|
| 172 |
+
num_classes = 2 # Canard et Perroquet
|
| 173 |
+
model = models.resnet18(pretrained=False)
|
| 174 |
+
model.fc = nn.Linear(model.fc.in_features, num_classes)
|
| 175 |
+
model = model.to('cuda')
|
| 176 |
+
|
| 177 |
+
# Charger les poids du modèle enregistré
|
| 178 |
+
model.load_state_dict(torch.load('model.pth'))
|
| 179 |
+
model.eval() # Mettre le modèle en mode évaluation
|
| 180 |
+
|
| 181 |
+
# Définir les transformations
|
| 182 |
+
transform = transforms.Compose([
|
| 183 |
+
transforms.Resize((224, 224)),
|
| 184 |
+
transforms.ToTensor(),
|
| 185 |
+
transforms.Normalize(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225])
|
| 186 |
+
])
|
| 187 |
+
|
| 188 |
+
# Charger et transformer une nouvelle image
|
| 189 |
+
def load_image(image_path):
|
| 190 |
+
image = Image.open(image_path).convert('RGB')
|
| 191 |
+
image = transform(image)
|
| 192 |
+
image = image.unsqueeze(0) # Ajouter une dimension pour le batch
|
| 193 |
+
return image
|
| 194 |
+
|
| 195 |
+
# Exemple de chargement d'une image
|
| 196 |
+
image_path = '/content/lg.jpeg'
|
| 197 |
+
image = load_image(image_path).to('cuda')
|
| 198 |
+
|
| 199 |
+
# Passer l'image dans le modèle pour obtenir des prédictions
|
| 200 |
+
with torch.no_grad(): # Désactiver la grad pour l'inférence
|
| 201 |
+
outputs = model(image)
|
| 202 |
+
_, predicted = torch.max(outputs, 1)
|
| 203 |
+
|
| 204 |
+
classes = ['Alpine', 'Bugatti']
|
| 205 |
+
predicted_class = classes[predicted.item()]
|
| 206 |
+
print(f'Predicted class: {predicted_class}')
|
| 207 |
+
|
| 208 |
+
!pip install transformers huggingface_hub
|
| 209 |
+
|
| 210 |
+
!huggingface-cli login
|
| 211 |
+
|
| 212 |
+
from huggingface_hub import HfApi, HfFolder, Repository
|
| 213 |
+
|
| 214 |
+
# Variables
|
| 215 |
+
model_path = "Wheeloh-model_1.pth"
|
| 216 |
+
repo_name = "Wheeloh-model_1" # Remplacez par le nom de votre dépôt
|
| 217 |
+
commit_message = "Initial commit"
|
| 218 |
+
|
| 219 |
+
# Se connecter à l'API
|
| 220 |
+
api = HfApi()
|
| 221 |
+
|
| 222 |
+
# Obtenir le token d'authentification
|
| 223 |
+
token = HfFolder.get_token()
|
| 224 |
+
|
| 225 |
+
# Cloner le dépôt Hugging Face
|
| 226 |
+
repo_url = api.create_repo(repo_name, token=token, exist_ok=True)
|
| 227 |
+
repo = Repository(local_dir=repo_name, clone_from=repo_url)
|
| 228 |
+
|
| 229 |
+
# Copier le fichier du modèle dans le dépôt local
|
| 230 |
+
import shutil
|
| 231 |
+
shutil.copy(model_path, repo_name)
|
| 232 |
+
|
| 233 |
+
# Pousser le modèle sur le hub
|
| 234 |
+
repo.push_to_hub(commit_message=commit_message)
|