Spaces:
Sleeping
Sleeping
Rename main.py to app.py
Browse files
app.py
ADDED
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from fastapi import FastAPI, HTTPException
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import httpx
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from rembg import remove
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from io import BytesIO
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from fastapi.responses import StreamingResponse
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app = FastAPI()
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@app.get("/remove-background/")
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async def remove_background(image_url: str):
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try:
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# Baixa a imagem da URL fornecida
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async with httpx.AsyncClient() as client:
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response = await client.get(image_url)
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response.raise_for_status() # Verifica se a URL foi bem-sucedida
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image_data = response.content
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# Remover o fundo da imagem usando o rembg
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output_image = remove(image_data)
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# Retorna a imagem com o fundo removido como resposta
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return StreamingResponse(BytesIO(output_image), media_type="image/png")
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except httpx.RequestError as e:
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raise HTTPException(status_code=400, detail="Erro ao baixar a imagem: " + str(e))
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except Exception as e:
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raise HTTPException(status_code=500, detail="Erro ao processar a imagem: " + str(e))
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main.py
DELETED
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import numpy as np
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import torch
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import torch.nn.functional as F
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from torchvision.transforms.functional import normalize
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from huggingface_hub import hf_hub_download
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from fastapi import FastAPI, HTTPException
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from PIL import Image
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import httpx
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import io
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import briarmbg # Importando o modelo de remoção de fundo
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app = FastAPI()
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# Carregar modelo BRIA RMBG
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net = briarmbg.BriaRMBG()
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model_path = hf_hub_download("briaai/RMBG-1.4", "model.pth")
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if torch.cuda.is_available():
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net.load_state_dict(torch.load(model_path))
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net = net.cuda()
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else:
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net.load_state_dict(torch.load(model_path, map_location="cpu"))
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net.eval()
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# Função para redimensionar a imagem antes de processar
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def resize_image(image):
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image = image.convert("RGB")
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model_input_size = (1024, 1024)
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return image.resize(model_input_size, Image.BILINEAR)
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# Função para remover o fundo da imagem
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def remove_bg(image: Image.Image):
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orig_image = image
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w, h = orig_image.size
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image = resize_image(orig_image)
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im_np = np.array(image)
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im_tensor = torch.tensor(im_np, dtype=torch.float32).permute(2, 0, 1)
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im_tensor = torch.unsqueeze(im_tensor, 0) / 255.0
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im_tensor = normalize(im_tensor, [0.5, 0.5, 0.5], [1.0, 1.0, 1.0])
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if torch.cuda.is_available():
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im_tensor = im_tensor.cuda()
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# Inference do modelo
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result = net(im_tensor)[0][0]
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result = torch.squeeze(F.interpolate(result, size=(h, w), mode="bilinear"), 0)
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# Normalizar para 0-255
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ma, mi = torch.max(result), torch.min(result)
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result = (result - mi) / (ma - mi)
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im_array = (result * 255).cpu().data.numpy().astype(np.uint8)
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pil_im = Image.fromarray(np.squeeze(im_array))
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# Criar imagem sem fundo
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new_im = Image.new("RGBA", pil_im.size, (0, 0, 0, 0))
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new_im.paste(orig_image, mask=pil_im)
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return new_im
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# Função para baixar imagem de uma URL
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async def download_image(image_url: str) -> Image.Image:
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async with httpx.AsyncClient() as client:
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response = await client.get(image_url)
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if response.status_code != 200:
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raise HTTPException(status_code=400, detail="Erro ao baixar imagem")
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return Image.open(io.BytesIO(response.content))
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# Endpoint para remover fundo
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@app.get("/remove-bg/")
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async def remove_bg_from_url(image_url: str):
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try:
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image = await download_image(image_url)
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output_image = remove_bg(image)
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# Salvar a imagem temporariamente na memória
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img_io = io.BytesIO()
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output_image.save(img_io, format="PNG")
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img_io.seek(0)
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return {
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"message": "Fundo removido com sucesso!",
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"image": img_io.getvalue()
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}
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except Exception as e:
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raise HTTPException(status_code=500, detail=str(e))
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