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Update app.py
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app.py
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import streamlit as st
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import streamlit as st
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from PIL import Image
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import torch
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# 载入一个预训练的物体识别模型,这里使用 YOLOv5
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model = torch.hub.load('ultralytics/yolov5', 'yolov5s', pretrained=True)
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def detect_objects(image):
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# 对图像进行处理并通过模型进行预测
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results = model(image)
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# 解析结果,获取检测到的物体和置信度
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data = results.pandas().xyxy[0]
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return results, data
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def main():
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st.title("物体识别应用")
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# 创建一个文件上传器,用户可以上传图片
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uploaded_file = st.file_uploader("请选择一张图片进行物体识别", type=["jpg", "jpeg", "png"])
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if uploaded_file is not None:
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# 将上传的文件转换为图像
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image = Image.open(uploaded_file)
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# 显示原始图片
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st.image(image, caption='上传的图片', use_column_width=True)
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# 检测图片中的物体
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results, data = detect_objects(image)
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# 显示结果
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st.write("检测结果:")
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st.write(data)
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# 显示带有检测框的图片
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st.image(results.render()[0], caption='检测结果', use_column_width=True)
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if __name__ == "__main__":
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main()
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