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import gradio as gr |
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import torch |
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from sahi.prediction import ObjectPrediction |
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from sahi.utils.cv import visualize_object_predictions, read_image |
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from ultralyticsplus import YOLO |
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torch.hub.download_url_to_file('https://raw.githubusercontent.com/kadirnar/dethub/main/data/images/highway.jpg', 'highway.jpg') |
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torch.hub.download_url_to_file('https://user-images.githubusercontent.com/34196005/142742872-1fefcc4d-d7e6-4c43-bbb7-6b5982f7e4ba.jpg', 'highway1.jpg') |
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torch.hub.download_url_to_file('https://raw.githubusercontent.com/obss/sahi/main/tests/data/small-vehicles1.jpeg', 'small-vehicles1.jpeg') |
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def yolov8_inference( |
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image: gr.inputs.Image = None, |
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model_path: gr.inputs.Dropdown = None, |
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image_size: gr.inputs.Slider = 640, |
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conf_threshold: gr.inputs.Slider = 0.25, |
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iou_threshold: gr.inputs.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_path: Path to 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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Rendered image |
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""" |
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model = YOLO(model_path) |
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model.conf = conf_threshold |
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model.iou = iou_threshold |
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results = model.predict(image, imgsz=image_size, return_outputs=True) |
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object_prediction_list = [] |
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for _, image_results in enumerate(results): |
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if len(image_results)!=0: |
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image_predictions_in_xyxy_format = image_results['det'] |
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for pred in image_predictions_in_xyxy_format: |
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x1, y1, x2, y2 = ( |
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int(pred[0]), |
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int(pred[1]), |
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int(pred[2]), |
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int(pred[3]), |
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) |
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bbox = [x1, y1, x2, y2] |
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score = pred[4] |
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category_name = model.model.names[int(pred[5])] |
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category_id = pred[5] |
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object_prediction = ObjectPrediction( |
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bbox=bbox, |
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category_id=int(category_id), |
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score=score, |
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category_name=category_name, |
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) |
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object_prediction_list.append(object_prediction) |
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image = read_image(image) |
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output_image = visualize_object_predictions(image=image, object_prediction_list=object_prediction_list) |
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return output_image['image'] |
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inputs = [ |
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gr.inputs.Image(type="filepath", label="Input Image"), |
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gr.inputs.Dropdown(["kadirnar/yolov8n-v8.0", "kadirnar/yolov8m-v8.0", "kadirnar/yolov8l-v8.0", "kadirnar/yolov8x-v8.0", "kadirnar/yolov8x6-v8.0"], |
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default="kadirnar/yolov8m-v8.0", label="Model"), |
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gr.inputs.Slider(minimum=320, maximum=1280, default=640, step=32, label="Image Size"), |
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gr.inputs.Slider(minimum=0.0, maximum=1.0, default=0.25, step=0.05, label="Confidence Threshold"), |
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gr.inputs.Slider(minimum=0.0, maximum=1.0, default=0.45, step=0.05, label="IOU Threshold"), |
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] |
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outputs = gr.outputs.Image(type="filepath", label="Output Image") |
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title = "Ultralytics YOLOv8: State-of-the-Art YOLO Models" |
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examples = [['highway.jpg', 'kadirnar/yolov8m-v8.0', 640, 0.25, 0.45], ['highway1.jpg', 'kadirnar/yolov8l-v8.0', 640, 0.25, 0.45], ['small-vehicles1.jpeg', 'kadirnar/yolov8x-v8.0', 1280, 0.25, 0.45]] |
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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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examples=examples, |
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cache_examples=True, |
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theme='huggingface', |
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) |
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demo_app.launch(debug=True, enable_queue=True) |
