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Browse files- app.py +70 -39
- requirements.txt +1 -0
app.py
CHANGED
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@@ -2,17 +2,24 @@
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AlexNet β νκΉ
νμ΄μ€ Spaces λ°λͺ¨
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λ
Όλ¬Έ: Krizhevsky, Sutskever, Hinton (NeurIPS 2012)
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μ€ν: Spacesμμ μλ μ€ν (app.py μ΄λ¦ νμ)
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λ‘컬: pip install gradio torch pillow torchvision
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python app.py
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"""
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import json
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import torch
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import torch.nn as nn
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import gradio as gr
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from PIL import Image
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import torchvision.transforms as T
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# ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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@@ -22,16 +29,12 @@ import torchvision.transforms as T
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class ConvBlock(nn.Module):
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"""
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groups μΈμλ‘ λ
Όλ¬Έμ GPU λΆν μ λ΅μ μ μ΄νλ λ²μ© λΈλ‘.
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Conv1μ΄ groups=1μΈ μ΄μ :
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in_channels=3(RGB)λ groups=2λ‘ λλ μ μμ (3 % 2 != 0).
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padding κ³μ° κ·Όκ±° (Conv1):
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padding=0 β (224-11)/4+1 = 54.25 β λ΄λ¦Ό 54 β Pool ν 26 β ... β FC μ
λ ₯ 6400 (μ€λ₯)
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padding=2 β (224-11+4)/4+1 = 55 β Pool ν 27 β ... β FC μ
λ ₯ 9216 (μ μ)
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"""
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def __init__(self, in_ch, out_ch, kernel_size,
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stride=1, padding=0, groups=1,
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@@ -68,20 +71,11 @@ class AlexNet(nn.Module):
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"""
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def __init__(self, num_labels=1000, dropout=0.5):
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super().__init__()
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self.
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)
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self.conv2 = ConvBlock(
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96, 256, 5, padding=2, groups=2,
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use_lrn=True, use_pool=True,
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)
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self.conv3 = ConvBlock(256, 384, 3, padding=1, groups=1)
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self.conv4 = ConvBlock(384, 384, 3, padding=1, groups=2)
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self.conv5 = ConvBlock(384, 256, 3, padding=1, groups=2, use_pool=True)
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self.classifier = nn.Sequential(
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nn.Dropout(p=dropout),
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nn.Linear(256 * 6 * 6, 4096),
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@@ -114,24 +108,60 @@ class AlexNet(nn.Module):
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# ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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# 2. λͺ¨λΈ +
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# ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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DEVICE = torch.device("cuda" if torch.cuda.is_available() else "cpu")
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model = AlexNet(num_labels=1000, dropout=0.5).to(DEVICE)
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model.eval()
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try:
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with open("config.json") as f:
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cfg = json.load(f)
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ID2LABEL = {int(k): v for k, v in cfg.get("id2label", {}).items()}
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except Exception:
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# ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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#
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# ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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TRANSFORM = T.Compose([
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# ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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#
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# ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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def predict(image: Image.Image) -> dict:
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# ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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#
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# ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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with gr.Blocks(title="AlexNet β λ
Όλ¬Έ μ¬ν") as demo:
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gr.Markdown("""
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## AlexNet β λ
Όλ¬Έ μμ μ¬ν λ°λͺ¨
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**λ
Όλ¬Έ**: ImageNet Classification with Deep CNNs (Krizhevsky et al., NeurIPS 2012)
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""")
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with gr.Row():
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Όλ¬Έ μ¬ν") as demo:
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gr.Markdown("""
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| λ μ΄μ΄ | μΆλ ₯ shape | padding | groups | λΉκ³ |
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|--------|-----------------|---------|--------|------|
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| Conv1 | (B, 96, 55β27) |
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| Conv2 | (B, 256, 27β13) | 2 | 2 | 5x5, LRN, MaxPool |
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| Conv3 | (B, 384, 13) | 1 | 1 | 3x3, cross-GPU |
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| Conv4 | (B, 384, 13) | 1 | 2 | 3x3 |
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| Conv5 | (B, 256, 13β6) | 1 | 2 | 3x3, MaxPool |
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| FC1Β·2 | (B, 4096) | β | β | Dropout 0.5 |
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| FC3 | (B, 1000) | β | β | μΆλ ₯μΈ΅ |
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**μμ ν¬μΈνΈ**: Conv1 padding=0μ΄λ©΄ μΆλ ₯ 54(λ΄λ¦Ό)βFC μ
λ ₯ 6400 μ€λ₯. padding=2λ‘ 55βFC μ
λ ₯ 9216 μ μ.
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""")
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run_btn.click(fn=predict, inputs=image_input, outputs=label_output)
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AlexNet β νκΉ
νμ΄μ€ Spaces λ°λͺ¨
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λ
Όλ¬Έ: Krizhevsky, Sutskever, Hinton (NeurIPS 2012)
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λ³κ²½μ¬ν:
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- ImageNet id2label μλ λ‘λ (ViT configμμ κ°μ Έμ΄)
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- torchvision μ¬μ νμ΅ κ°μ€μΉ (FC λ μ΄μ΄) λ‘λ
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- κ°μ€μΉ λ‘λ μ€ν¨ μ λλ€ μ΄κΈ°νλ‘ ν΄λ°±
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μ€ν: Spacesμμ μλ μ€ν (app.py μ΄λ¦ νμ)
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λ‘컬: pip install gradio torch pillow torchvision requests
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python app.py
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"""
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import json
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import requests
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import torch
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import torch.nn as nn
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import torchvision.models as tv
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import torchvision.transforms as T
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import gradio as gr
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from PIL import Image
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# ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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class ConvBlock(nn.Module):
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"""
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groups μΈμλ‘ λ
Όλ¬Έμ GPU λΆν μ λ΅μ μ μ΄νλ λ²μ© λΈλ‘.
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groups=1: cross-GPU (μ 체 μ±λ μ°κ²°) β Conv1Β·Conv3
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groups=2: parallel (μ±λ λ°μ© λ
립) β Conv2Β·Conv4Β·Conv5
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Conv1 padding=2 μ΄μ :
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padding=0 β μΆλ ₯ 54(λ΄λ¦Ό) β FC μ
λ ₯ 6400 μ€λ₯
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padding=2 β μΆλ ₯ 55(μ ν) β FC μ
λ ₯ 9216 μ μ
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"""
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def __init__(self, in_ch, out_ch, kernel_size,
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stride=1, padding=0, groups=1,
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"""
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def __init__(self, num_labels=1000, dropout=0.5):
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super().__init__()
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self.conv1 = ConvBlock( 3, 96, 11, stride=4, padding=2, groups=1, use_lrn=True, use_pool=True)
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self.conv2 = ConvBlock( 96, 256, 5, padding=2, groups=2, use_lrn=True, use_pool=True)
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self.conv3 = ConvBlock(256, 384, 3, padding=1, groups=1)
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self.conv4 = ConvBlock(384, 384, 3, padding=1, groups=2)
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self.conv5 = ConvBlock(384, 256, 3, padding=1, groups=2, use_pool=True)
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self.classifier = nn.Sequential(
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nn.Dropout(p=dropout),
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nn.Linear(256 * 6 * 6, 4096),
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# ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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# 2. λͺ¨λΈ μμ± + μ¬μ νμ΅ κ°μ€μΉ λ‘λ
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# ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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DEVICE = torch.device("cuda" if torch.cuda.is_available() else "cpu")
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model = AlexNet(num_labels=1000, dropout=0.5).to(DEVICE)
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WEIGHTS_LOADED = False
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try:
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# torchvision AlexNet μ¬μ νμ΅ κ°μ€μΉμμ FC λ μ΄μ΄λ§ 볡μ¬
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# (Conv λ μ΄μ΄λ groups κ΅¬μ‘°κ° λ¬λΌ μ§μ λ‘λ λΆκ°)
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pretrained = tv.alexnet(weights=tv.AlexNet_Weights.DEFAULT)
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model.classifier.load_state_dict(pretrained.classifier.state_dict())
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WEIGHTS_LOADED = True
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print("μ¬μ νμ΅ κ°μ€μΉ(FC) λ‘λ μλ£")
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except Exception as e:
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print(f"κ°μ€μΉ λ‘λ μ€ν¨, λλ€ μ΄κΈ°ν μ μ§: {e}")
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model.eval()
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# ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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# 3. ImageNet id2label λ‘λ
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# μ°μ μμ: config.json β ViT config(νκΉ
νμ΄μ€) β μΈλ±μ€ νμ
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# ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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ID2LABEL = {}
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# 1μμ: config.json
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try:
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with open("config.json") as f:
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cfg = json.load(f)
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ID2LABEL = {int(k): v for k, v in cfg.get("id2label", {}).items()}
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if ID2LABEL:
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print(f"config.jsonμμ {len(ID2LABEL)}κ° ν΄λμ€ λ‘λ")
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except Exception:
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pass
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# 2μμ: νκΉ
νμ΄μ€ ViT config (ImageNet 1000κ° λΌλ²¨ λμΌ)
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if not ID2LABEL:
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try:
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resp = requests.get(
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"https://huggingface.co/google/vit-base-patch16-224/raw/main/config.json",
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timeout=10,
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)
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vit_cfg = resp.json()
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ID2LABEL = {int(k): v for k, v in vit_cfg.get("id2label", {}).items()}
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print(f"νκΉ
νμ΄μ€μμ {len(ID2LABEL)}κ° ν΄λμ€ λ‘λ")
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except Exception as e:
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print(f"ν΄λμ€ μ΄λ¦ λ‘λ μ€ν¨: {e}")
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# ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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# 4. μ μ²λ¦¬ νμ΄νλΌμΈ
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# λ
Όλ¬Έ 2μ : 256 리μ¬μ΄μ¦ β 224 center crop β ν½μ
νκ· μ°¨κ°
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# ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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TRANSFORM = T.Compose([
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# ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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# 5. μΆλ‘ ν¨μ
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# ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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def predict(image: Image.Image) -> dict:
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# ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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# 6. Gradio UI
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# ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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weight_status = "FC μ¬μ νμ΅ κ°μ€μΉ λ‘λλ¨ (torchvision)" if WEIGHTS_LOADED else "λλ€ μ΄κΈ°ν μν"
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label_status = f"ImageNet {len(ID2LABEL)}κ° ν΄λμ€ μ΄λ¦ λ‘λλ¨" if ID2LABEL else "ν΄λμ€ μ΄λ¦ μμ (μΈλ±μ€ νμ)"
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with gr.Blocks(title="AlexNet β λ
Όλ¬Έ μ¬ν") as demo:
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gr.Markdown(f"""
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## AlexNet β λ
Όλ¬Έ μμ μ¬ν λ°λͺ¨
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**λ
Όλ¬Έ**: ImageNet Classification with Deep CNNs (Krizhevsky et al., NeurIPS 2012)
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- κ°μ€μΉ: {weight_status}
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- ν΄λμ€: {label_status}
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""")
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with gr.Row():
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gr.Markdown("""
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| λ μ΄μ΄ | μΆλ ₯ shape | padding | groups | λΉκ³ |
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|--------|-----------------|---------|--------|------|
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| Conv1 | (B, 96, 55β27) | 2 | 1 | 11x11 stride4, LRN, MaxPool |
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| Conv2 | (B, 256, 27β13) | 2 | 2 | 5x5, LRN, MaxPool |
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| Conv3 | (B, 384, 13) | 1 | 1 | 3x3, cross-GPU |
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| Conv4 | (B, 384, 13) | 1 | 2 | 3x3 |
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| Conv5 | (B, 256, 13β6) | 1 | 2 | 3x3, MaxPool |
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| FC1Β·2 | (B, 4096) | β | β | Dropout 0.5, μ¬μ νμ΅ κ°μ€μΉ |
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| FC3 | (B, 1000) | β | β | μΆλ ₯μΈ΅, μ¬μ νμ΅ κ°μ€μΉ |
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""")
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run_btn.click(fn=predict, inputs=image_input, outputs=label_output)
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requirements.txt
CHANGED
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torchvision>=0.15.0
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gradio>=4.0.0
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pillow>=9.0.0
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torchvision>=0.15.0
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gradio>=4.0.0
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pillow>=9.0.0
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requests>=2.28.0
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