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"""from fastapi import FastAPI, UploadFile, File
from fastapi.responses import RedirectResponse, JSONResponse
from transformers import AutoProcessor, AutoModelForCausalLM
from PIL import Image
import tempfile
import torch
app = FastAPI()
# Load model
try:
processor = AutoProcessor.from_pretrained("microsoft/git-large-coco")
model = AutoModelForCausalLM.from_pretrained("microsoft/git-large-coco")
USE_GIT = True
except Exception:
from transformers import pipeline
captioner = pipeline("image-to-text", model="nlpconnect/vit-gpt2-image-captioning")
USE_GIT = False
def generate_caption(image_path):
try:
if USE_GIT:
image = Image.open(image_path)
inputs = processor(images=image, return_tensors="pt")
outputs = model.generate(**inputs, max_length=50)
return processor.batch_decode(outputs, skip_special_tokens=True)[0]
else:
result = captioner(image_path)
return result[0]['generated_text']
except Exception as e:
return f"Error generating caption: {str(e)}"
@app.post("/imagecaption/")
async def caption_from_frontend(file: UploadFile = File(...)):
contents = await file.read()
with tempfile.NamedTemporaryFile(delete=False, suffix=".png") as tmp:
tmp.write(contents)
image_path = tmp.name
caption = generate_caption(image_path)
return JSONResponse({"caption": caption})
@app.get("/")
def home():
return RedirectResponse(url="/")"""
# app_image_logic.py
from transformers import AutoProcessor, AutoModelForCausalLM, pipeline
from PIL import Image
import torch
try:
processor = AutoProcessor.from_pretrained("microsoft/git-large-coco")
model = AutoModelForCausalLM.from_pretrained("microsoft/git-large-coco")
USE_GIT = True
except:
captioner = pipeline("image-to-text", model="nlpconnect/vit-gpt2-image-captioning")
USE_GIT = False
def generate_caption(image_path):
if USE_GIT:
image = Image.open(image_path)
inputs = processor(images=image, return_tensors="pt")
outputs = model.generate(**inputs, max_length=50)
return processor.batch_decode(outputs, skip_special_tokens=True)[0]
else:
result = captioner(image_path)
return result[0]['generated_text']
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