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import gradio as gr |
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import sahi |
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import torch |
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from ultralytics import YOLO |
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model_names = [ |
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"yolov8n.pt", |
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"yolov8s.pt", |
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"yolov8m.pt", |
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"yolov8l.pt", |
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"yolov8x.pt", |
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] |
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current_model_name = "yolov8m.pt" |
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model = YOLO(current_model_name) |
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def yolov8_inference( |
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image: gr.Image = None, |
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model_name: gr.Dropdown = None, |
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image_size: gr.Slider = 640, |
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conf_threshold: gr.Slider = 0.25, |
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iou_threshold: gr.Slider = 0.45, |
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): |
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""" |
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YOLOv8 inference function |
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Args: |
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image: Input image |
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model_name: Name of the model |
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image_size: Image size |
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conf_threshold: Confidence threshold |
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iou_threshold: IOU threshold |
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Returns: |
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Bounding box coordinates in xyxy format |
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""" |
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global model |
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global current_model_name |
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if model_name != current_model_name: |
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model = YOLO(model_name) |
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current_model_name = model_name |
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model.overrides["conf"] = conf_threshold |
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model.overrides["iou"] = iou_threshold |
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results = model(image, return_outputs=True) |
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print(results) |
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outputs=[] |
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for i,box in enumerate(results[0].boxes): |
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label = results[0].names[box.cls[0].item()] |
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bbox = box.xyxy[0] |
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outputs.append({"label": label, "bbox_coords": bbox}) |
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return outputs |
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inputs = [ |
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gr.Image(type="filepath", label="Input Image"), |
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gr.Dropdown( |
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model_names, |
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value=current_model_name, |
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label="Model type", |
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), |
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gr.Slider(minimum=320, maximum=1280, value=640, step=32, label="Image Size"), |
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gr.Slider( |
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minimum=0.0, maximum=1.0, value=0.25, step=0.05, label="Confidence Threshold" |
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), |
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gr.Slider(minimum=0.0, maximum=1.0, value=0.45, step=0.05, label="IOU Threshold"), |
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] |
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outputs = gr.JSON(label="Bounding Boxes (xyxy format)") |
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title = "YOLOv8 Bounding Box Extraction Demo" |
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demo_app = gr.Interface( |
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fn=yolov8_inference, |
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inputs=inputs, |
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outputs=outputs, |
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title=title, |
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theme="default" |
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) |
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demo_app.queue().launch(debug=True) |
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