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clipseg/Visual_Feature_Engineering.ipynb
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{
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"cells": [
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"# Systematic"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"%load_ext autoreload\n",
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"%autoreload 2\n",
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"\n",
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"import clip\n",
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"from evaluation_utils import norm, denorm\n",
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"from general_utils import *\n",
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"from datasets.lvis_oneshot3 import LVIS_OneShot3\n",
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"\n",
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"clip_device = 'cuda'\n",
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"clip_model, preprocess = clip.load(\"ViT-B/16\", device=clip_device)\n",
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"clip_model.eval();\n",
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"\n",
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"from models.clipseg import CLIPDensePredTMasked\n",
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"\n",
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"clip_mask_model = CLIPDensePredTMasked(version='ViT-B/16').to(clip_device)\n",
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"clip_mask_model.eval();"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"lvis = LVIS_OneShot3('train_fixed', mask='separate', normalize=True, with_class_label=True, add_bar=False, \n",
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" text_class_labels=True, image_size=352, min_area=0.1,\n",
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" min_frac_s=0.05, min_frac_q=0.05, fix_find_crop=True)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"plot_data(lvis)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"from collections import defaultdict\n",
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"import json\n",
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"\n",
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"lvis_raw = json.load(open(expanduser('~/datasets/LVIS/lvis_v1_train.json')))\n",
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"lvis_val_raw = json.load(open(expanduser('~/datasets/LVIS/lvis_v1_val.json')))\n",
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"\n",
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"objects_per_image = defaultdict(lambda : set())\n",
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"for ann in lvis_raw['annotations']:\n",
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" objects_per_image[ann['image_id']].add(ann['category_id'])\n",
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" \n",
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"for ann in lvis_val_raw['annotations']:\n",
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" objects_per_image[ann['image_id']].add(ann['category_id']) \n",
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" \n",
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"objects_per_image = {o: [lvis.category_names[o] for o in v] for o, v in objects_per_image.items()}\n",
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"\n",
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"del lvis_raw, lvis_val_raw"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"#bs = 32\n",
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"#batches = [get_batch(lvis, i*bs, (i+1)*bs, cuda=True) for i in range(10)]"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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| 94 |
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"from general_utils import get_batch\n",
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"from functools import partial\n",
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"from evaluation_utils import img_preprocess\n",
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"import torch\n",
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"\n",
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"def get_similarities(batches_or_dataset, process, mask=lambda x: None, clipmask=False):\n",
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"\n",
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" # base_words = [f'a photo of {x}' for x in ['a person', 'an animal', 'a knife', 'a cup']]\n",
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"\n",
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" all_prompts = []\n",
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" \n",
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" with torch.no_grad():\n",
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" valid_sims = []\n",
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" torch.manual_seed(571)\n",
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" \n",
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" if type(batches_or_dataset) == list:\n",
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" loader = batches_or_dataset # already loaded\n",
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" max_iter = float('inf')\n",
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" else:\n",
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" loader = DataLoader(batches_or_dataset, shuffle=False, batch_size=32)\n",
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" max_iter = 50\n",
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" \n",
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" global batch\n",
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" for i_batch, (batch, batch_y) in enumerate(loader):\n",
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" \n",
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" if i_batch >= max_iter: break\n",
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" \n",
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" processed_batch = process(batch)\n",
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" if type(processed_batch) == dict:\n",
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" \n",
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" # processed_batch = {k: v.to(clip_device) for k, v in processed_batch.items()}\n",
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" image_features = clip_mask_model.visual_forward(**processed_batch)[0].to(clip_device).half()\n",
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" else:\n",
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" processed_batch = process(batch).to(clip_device)\n",
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" processed_batch = nnf.interpolate(processed_batch, (224, 224), mode='bilinear')\n",
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" #image_features = clip_model.encode_image(processed_batch.to(clip_device)) \n",
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" image_features = clip_mask_model.visual_forward(processed_batch)[0].to(clip_device).half()\n",
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" \n",
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" image_features = image_features / image_features.norm(dim=-1, keepdim=True)\n",
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" bs = len(batch[0])\n",
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" for j in range(bs):\n",
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" \n",
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| 136 |
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" c, _, sid, qid = lvis.sample_ids[bs * i_batch + j]\n",
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" support_image = basename(lvis.samples[c][sid])\n",
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" \n",
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" img_objs = [o for o in objects_per_image[int(support_image)]]\n",
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" img_objs = [o.replace('_', ' ') for o in img_objs]\n",
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" \n",
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" other_words = [f'a photo of a {o.replace(\"_\", \" \")}' for o in img_objs \n",
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" if o != batch_y[2][j]]\n",
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" \n",
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" prompts = [f'a photo of a {batch_y[2][j]}'] + other_words\n",
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" all_prompts += [prompts]\n",
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" \n",
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" text_cond = clip_model.encode_text(clip.tokenize(prompts).to(clip_device))\n",
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" text_cond = text_cond / text_cond.norm(dim=-1, keepdim=True) \n",
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"\n",
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" global logits\n",
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" logits = clip_model.logit_scale.exp() * image_features[j] @ text_cond.T\n",
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"\n",
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" global sim\n",
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" sim = torch.softmax(logits, dim=-1)\n",
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" \n",
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" valid_sims += [sim]\n",
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" \n",
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" #valid_sims = torch.stack(valid_sims)\n",
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" return valid_sims, all_prompts\n",
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" \n",
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"\n",
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| 163 |
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"def new_img_preprocess(x):\n",
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" return {'x_inp': x[1], 'mask': (11, 'cls_token', x[2])}\n",
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" \n",
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"#get_similarities(lvis, partial(img_preprocess, center_context=0.5));\n",
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"get_similarities(lvis, lambda x: x[1]);"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"preprocessing_functions = [\n",
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"# ['clip mask CLS L11', lambda x: {'x_inp': x[1].cuda(), 'mask': (11, 'cls_token', x[2].cuda())}],\n",
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"# ['clip mask CLS all', lambda x: {'x_inp': x[1].cuda(), 'mask': ('all', 'cls_token', x[2].cuda())}],\n",
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"# ['clip mask all all', lambda x: {'x_inp': x[1].cuda(), 'mask': ('all', 'all', x[2].cuda())}],\n",
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"# ['colorize object red', partial(img_preprocess, colorize=True)],\n",
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"# ['add red outline', partial(img_preprocess, outline=True)],\n",
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" \n",
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"# ['BG brightness 50%', partial(img_preprocess, bg_fac=0.5)],\n",
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"# ['BG brightness 10%', partial(img_preprocess, bg_fac=0.1)],\n",
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"# ['BG brightness 0%', partial(img_preprocess, bg_fac=0.0)],\n",
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"# ['BG blur', partial(img_preprocess, blur=3)],\n",
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"# ['BG blur & intensity 10%', partial(img_preprocess, blur=3, bg_fac=0.1)],\n",
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" \n",
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"# ['crop large context', partial(img_preprocess, center_context=0.5)],\n",
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"# ['crop small context', partial(img_preprocess, center_context=0.1)],\n",
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" ['crop & background blur', partial(img_preprocess, blur=3, center_context=0.5)],\n",
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" ['crop & intensity 10%', partial(img_preprocess, blur=3, bg_fac=0.1)],\n",
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"# ['crop & background blur & intensity 10%', partial(img_preprocess, blur=3, center_context=0.1, bg_fac=0.1)],\n",
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"]\n",
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"\n",
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"preprocessing_functions = preprocessing_functions\n",
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"\n",
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"base, base_p = get_similarities(lvis, lambda x: x[1])\n",
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"outs = [get_similarities(lvis, fun) for _, fun in preprocessing_functions]"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"outs2 = [get_similarities(lvis, fun) for _, fun in [['BG brightness 0%', partial(img_preprocess, bg_fac=0.0)]]]"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"for j in range(1):\n",
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" print(np.mean([outs2[j][0][i][0].cpu() - base[i][0].cpu() for i in range(len(base)) if len(base_p[i]) >= 3]))"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"from pandas import DataFrame\n",
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"tab = dict()\n",
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"for j, (name, _) in enumerate(preprocessing_functions):\n",
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| 230 |
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" tab[name] = np.mean([outs[j][0][i][0].cpu() - base[i][0].cpu() for i in range(len(base)) if len(base_p[i]) >= 3])\n",
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" \n",
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" \n",
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"print('\\n'.join(f'{k} & {v*100:.2f} \\\\\\\\' for k,v in tab.items())) "
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"# Visual"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"from evaluation_utils import denorm, norm"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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| 258 |
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"def load_sample(filename, filename2):\n",
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" from os.path import join\n",
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| 260 |
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" bp = expanduser('~/cloud/resources/sample_images')\n",
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| 261 |
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" tf = transforms.Compose([\n",
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" transforms.ToTensor(),\n",
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" transforms.Normalize(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225]),\n",
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| 264 |
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" transforms.Resize(224),\n",
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" transforms.CenterCrop(224)\n",
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" ])\n",
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| 267 |
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" tf2 = transforms.Compose([\n",
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" transforms.ToTensor(),\n",
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" transforms.Resize(224),\n",
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" transforms.CenterCrop(224)\n",
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" ])\n",
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" inp1 = [None, tf(Image.open(join(bp, filename))), tf2(Image.open(join(bp, filename2)))]\n",
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| 273 |
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" inp1[1] = inp1[1].unsqueeze(0)\n",
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" inp1[2] = inp1[2][:1] \n",
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" return inp1\n",
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"\n",
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| 277 |
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"def all_preprocessing(inp1):\n",
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" return [\n",
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" img_preprocess(inp1),\n",
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" img_preprocess(inp1, colorize=True),\n",
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" img_preprocess(inp1, outline=True), \n",
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" img_preprocess(inp1, blur=3),\n",
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" img_preprocess(inp1, bg_fac=0.1),\n",
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| 284 |
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" #img_preprocess(inp1, bg_fac=0.5),\n",
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| 285 |
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" #img_preprocess(inp1, blur=3, bg_fac=0.5), \n",
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" img_preprocess(inp1, blur=3, bg_fac=0.5, center_context=0.5),\n",
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" ]\n",
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"\n"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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| 297 |
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"from torchvision import transforms\n",
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| 298 |
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"from PIL import Image\n",
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"from matplotlib import pyplot as plt\n",
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| 300 |
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"from evaluation_utils import img_preprocess\n",
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"import clip\n",
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"\n",
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"images_queries = [\n",
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" [load_sample('things1.jpg', 'things1_jar.png'), ['jug', 'knife', 'car', 'animal', 'sieve', 'nothing']],\n",
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" [load_sample('own_photos/IMG_2017s_square.jpg', 'own_photos/IMG_2017s_square_trash_can.png'), ['trash bin', 'house', 'car', 'bike', 'window', 'nothing']],\n",
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"]\n",
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"\n",
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"\n",
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"_, ax = plt.subplots(2 * len(images_queries), 6, figsize=(14, 4.5 * len(images_queries)))\n",
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"\n",
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"for j, (images, objects) in enumerate(images_queries):\n",
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" \n",
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| 313 |
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" joint_image = all_preprocessing(images)\n",
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" \n",
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| 315 |
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" joint_image = torch.stack(joint_image)[:,0]\n",
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| 316 |
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" clip_model, preprocess = clip.load(\"ViT-B/16\", device='cpu')\n",
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| 317 |
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" image_features = clip_model.encode_image(joint_image)\n",
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| 318 |
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" image_features = image_features / image_features.norm(dim=-1, keepdim=True)\n",
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" \n",
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" prompts = [f'a photo of a {obj}'for obj in objects]\n",
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| 321 |
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" text_cond = clip_model.encode_text(clip.tokenize(prompts))\n",
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| 322 |
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" text_cond = text_cond / text_cond.norm(dim=-1, keepdim=True)\n",
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| 323 |
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" logits = clip_model.logit_scale.exp() * image_features @ text_cond.T\n",
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| 324 |
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" sim = torch.softmax(logits, dim=-1).detach().cpu()\n",
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"\n",
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| 326 |
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" for i, img in enumerate(joint_image):\n",
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| 327 |
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" ax[2*j, i].axis('off')\n",
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" \n",
|
| 329 |
-
" ax[2*j, i].imshow(torch.clamp(denorm(joint_image[i]).permute(1,2,0), 0, 1))\n",
|
| 330 |
-
" ax[2*j+ 1, i].grid(True)\n",
|
| 331 |
-
" \n",
|
| 332 |
-
" ax[2*j + 1, i].set_ylim(0,1)\n",
|
| 333 |
-
" ax[2*j + 1, i].set_yticklabels([])\n",
|
| 334 |
-
" ax[2*j + 1, i].set_xticks([]) # set_xticks(range(len(prompts)))\n",
|
| 335 |
-
"# ax[1, i].set_xticklabels(objects, rotation=90)\n",
|
| 336 |
-
" for k in range(len(sim[i])):\n",
|
| 337 |
-
" ax[2*j + 1, i].bar(k, sim[i][k], color=plt.cm.tab20(1) if k!=0 else plt.cm.tab20(3))\n",
|
| 338 |
-
" ax[2*j + 1, i].text(k, 0.07, objects[k], rotation=90, ha='center', fontsize=15)\n",
|
| 339 |
-
"\n",
|
| 340 |
-
"plt.tight_layout()\n",
|
| 341 |
-
"plt.savefig('figures/prompt_engineering.pdf', bbox_inches='tight')"
|
| 342 |
-
]
|
| 343 |
-
}
|
| 344 |
-
],
|
| 345 |
-
"metadata": {
|
| 346 |
-
"kernelspec": {
|
| 347 |
-
"display_name": "env2",
|
| 348 |
-
"language": "python",
|
| 349 |
-
"name": "env2"
|
| 350 |
-
},
|
| 351 |
-
"language_info": {
|
| 352 |
-
"codemirror_mode": {
|
| 353 |
-
"name": "ipython",
|
| 354 |
-
"version": 3
|
| 355 |
-
},
|
| 356 |
-
"file_extension": ".py",
|
| 357 |
-
"mimetype": "text/x-python",
|
| 358 |
-
"name": "python",
|
| 359 |
-
"nbconvert_exporter": "python",
|
| 360 |
-
"pygments_lexer": "ipython3",
|
| 361 |
-
"version": "3.8.8"
|
| 362 |
-
}
|
| 363 |
-
},
|
| 364 |
-
"nbformat": 4,
|
| 365 |
-
"nbformat_minor": 4
|
| 366 |
-
}
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