app.py

import gradio as gr
from ultralyticsplus import YOLO, render_result, postprocess_classify_output


def classification(image, threshold):
    model = YOLO('yolov8n-cls.pt')
    model.overrides['conf'] = threshold

    # result = model('bus.jpg')
    result = model.predict(image)
    render = postprocess_classify_output(model=model, result=result[0])
    return render


def detection(image, threshold):

    model = YOLO('yolov8n.pt')
    model.overrides['conf'] = threshold
    results = model.predict(image)
    render = render_result(model=model, image=image, result=results[0])
    return render


def segmentation(image, threshold):

    model = YOLO('yolov8n-seg.pt')
    model.overrides['conf'] = threshold
    results = model.predict(image)
    render = render_result(model=model, image=image, result=results[0])
    return render


with gr.Blocks() as demo:

    with gr.Tab("Detection"):
        with gr.Row():
            with gr.Column():
                detect_input = gr.Image()
                detect_threshold = gr.Slider(
                    maximum=1,
                    step=0.01,
                    value=0.25,
                    label="Threshold:",
                    interactive=True)
                detect_button = gr.Button("Detect!")
            with gr.Column():
                detect_output = gr.Image(
                    label="Predictions:", interactive=False)

    with gr.Tab("Segmentation"):
        with gr.Row():
            with gr.Column():
                segment_input = gr.Image()
                segment_threshold = gr.Slider(
                    maximum=1,
                    step=0.01,
                    value=0.25,
                    label="Threshold:",
                    interactive=True)
                segment_button = gr.Button("Segment!")
            with gr.Column():
                segment_output = gr.Image(
                    label="Predictions:", interactive=False)
    with gr.Tab("Classification"):
        with gr.Row():
            with gr.Column():
                classify_input = gr.Image()
                classify_threshold = gr.Slider(
                    maximum=1,
                    step=0.01,
                    value=0.25,
                    label="Threshold:",
                    interactive=True)
                classify_button = gr.Button("Classify!")
            with gr.Column():
                classify_output = gr.Label(
                    label="Predictions:", show_label=True, num_top_classes=5)

    detect_button.click(
        detection,
        inputs=[
            detect_input,
            detect_threshold],
        outputs=detect_output,
        api_name="Detect")

    segment_button.click(
        segmentation,
        inputs=[
            segment_input,
            segment_threshold],
        outputs=segment_output,
        api_name="Segmentation")

    classify_button.click(
        classification,
        inputs=[
            classify_input,
            classify_threshold],
        outputs=classify_output,
        api_name="classify")


demo.launch(debug=True, enable_queue=True)