Create app.py
Browse files
app.py
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from PIL import Image, ImageDraw
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import gradio as gr
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import torch
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from transformers import DetrImageProcessor, DetrForObjectDetection
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#モデルの読み込み
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processor = DetrImageProcessor.from_pretrained("facebook/detr-resnet-50", revision="no_timm")
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model = DetrForObjectDetection.from_pretrained("facebook/detr-resnet-50", revision="no_timm")
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def detect_objects(image):
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# 画像をモデルに入力する形式に変換
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inputs = processor(images=image, return_tensors="pt")
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outputs = model(**inputs)
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# 出力を処理し、信頼度が0.9以上の検出結果を取得
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target_sizes = torch.tensor([image.size[::-1]])
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results = processor.post_process_object_detection(outputs, target_sizes=target_sizes, threshold=0.9)[0]
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# 検出結果を画像に描画
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draw = ImageDraw.Draw(image)
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for score, label, box in zip(results["scores"], results["labels"], results["boxes"]):
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box = [round(i, 2) for i in box.tolist()]
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draw.rectangle(box, outline="red", width=3)
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draw.text((box[0], box[1]), f"{model.config.id2label[label.item()]}: {round(score.item(), 3)}", fill="red")
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return image
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demo = gr.Interface(
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fn=detect_objects,
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inputs=gr.Image(type="pil", label="Input Image"),
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outputs=gr.Image(type="pil", label="Output Image with Detected Objects"),
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title="Object Detection with DETR",
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description="Upload an image to detect objects using the DETR model."
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)
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demo.launch()
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