8a2ea1abd7
- 将 AutoImageProcessor / AutoModelForImageClassification 替换为
ViTImageProcessor / ViTForImageClassification
- 移除 ValueError 异常捕获回退逻辑，改为直接使用 ViT 类加载，
避免因 preprocessor_config.json 中旧版 image_processor_type
导致 Auto 类无法识别的问题
289 lines
11 KiB
Python
289 lines
11 KiB
Python
"""
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香蕉叶病害智能识别系统
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基于 ViT 视觉变换器的香蕉叶片病害分类应用
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"""
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import os
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import streamlit as st
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import plotly.graph_objects as go
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from PIL import Image
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# 国内 HuggingFace 镜像加速
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os.environ.setdefault("HF_ENDPOINT", "https://hf-mirror.com")
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from transformers import ViTForImageClassification, ViTImageProcessor, pipeline # noqa: E402
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# ─── Disease Label Mapping ──────────────────────────────────────────────────
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# 模型输出 LABEL_0 ~ LABEL_6，映射为实际病害名称
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DISEASE_INFO = {
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"LABEL_0": {
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"name": "细菌性枯萎病",
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"name_en": "Banana Bacterial Wilt (BBW)",
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"color": "#e74c3c",
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"description": "由细菌引起，叶片从边缘开始变黄枯萎，最终整株死亡。",
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"advice": "及时清除病株，避免刀具交叉感染，使用无菌工具操作，加强田间排水。",
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},
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"LABEL_1": {
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"name": "黑条斑病",
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"name_en": "Black Sigatoka",
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"color": "#8e44ad",
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"description": "真菌性病害，叶片出现黑色条纹，严重时叶片大面积枯死。",
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"advice": "选用抗病品种，合理密植保持通风，及时清除病叶，适时喷施杀菌剂。",
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},
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"LABEL_2": {
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"name": "苞片花叶病毒病",
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"name_en": "Bract Mosaic Virus (BBMV)",
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"color": "#e67e22",
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"description": "病毒性病害，苞片和叶片出现花叶状斑纹，影响果实品质。",
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"advice": "使用无病种苗，防治传毒蚜虫，及时拔除病株，避免机械传播。",
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},
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"LABEL_3": {
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"name": "健康叶片",
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"name_en": "Healthy",
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"color": "#27ae60",
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"description": "叶片状态良好，无明显病害症状，颜色鲜绿。",
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"advice": "继续保持良好的田间管理，合理施肥灌溉，定期巡检。",
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},
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"LABEL_4": {
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"name": "花叶病毒病",
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"name_en": "Banana Mosaic Virus",
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"color": "#f39c12",
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"description": "病毒性病害，叶片出现黄绿相间的花叶症状，植株矮化。",
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"advice": "选用无毒组培苗，控制蚜虫等传毒媒介，拔除病株，工具消毒。",
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},
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"LABEL_5": {
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"name": "巴拿马病（枯萎病）",
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"name_en": "Panama Disease (Fusarium Wilt)",
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"color": "#c0392b",
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"description": "由尖孢镰刀菌引起，维管束变褐，叶片从下部开始黄化枯萎。",
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"advice": "种植抗病品种，严格检疫，病区轮作或休耕，避免土壤传播。",
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},
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"LABEL_6": {
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"name": "黄条斑病",
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"name_en": "Yellow Sigatoka",
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"color": "#d4ac0d",
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"description": "真菌性病害，叶片出现黄色条纹，比黑条斑病症状较轻。",
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"advice": "保持田间通风透光，清除病残叶，适时用药防治，合理施肥增强抗性。",
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},
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}
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# ─── Page Config ────────────────────────────────────────────────────────────
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st.set_page_config(
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page_title="香蕉叶病害识别",
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page_icon="🍌",
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layout="wide",
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initial_sidebar_state="expanded",
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)
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st.markdown("""
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<style>
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html, body, [class*="css"] {
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font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
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}
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</style>
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""", unsafe_allow_html=True)
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# ─── Model Loading ──────────────────────────────────────────────────────────
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@st.cache_resource
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def load_model():
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"""加载 HuggingFace 模型（首次运行自动下载，约 343MB）"""
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model_name = "Dmitry43243242/banana-disease-leaf-model"
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# 模型的 preprocessor_config.json 中 image_processor_type 为旧版 ViTFeatureExtractor，
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# AutoImageProcessor 无法识别，直接用具体的 ViT 类加载
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processor = ViTImageProcessor.from_pretrained(model_name)
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model = ViTForImageClassification.from_pretrained(model_name)
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classifier = pipeline(
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"image-classification", model=model, image_processor=processor
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)
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return classifier
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# ─── Sidebar ────────────────────────────────────────────────────────────────
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with st.sidebar:
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st.header("🍌 香蕉叶病害识别")
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st.caption("上传叶片照片，AI 帮你识别病害")
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st.divider()
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st.subheader("📷 上传图片")
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uploaded_file = st.file_uploader(
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"选择香蕉叶片图片",
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type=["jpg", "jpeg", "png", "webp"],
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help="支持 JPG、PNG、WebP 格式",
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)
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st.divider()
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st.subheader("ℹ️ 使用说明")
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st.markdown("""
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1. 上传一张香蕉叶片照片
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2. 系统自动识别病害类型
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3. 查看各类别置信度
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4. 获取防治建议
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**Tips:**
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- 图片越清晰，识别越准确
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- 尽量拍摄完整叶片
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- 病变部位清晰可见
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""")
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st.divider()
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st.subheader("📋 可识别病害")
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for label_key, info in DISEASE_INFO.items():
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st.markdown(
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f"<span style='color:{info['color']}'>●</span> **{info['name']}** ({info['name_en']})",
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unsafe_allow_html=True,
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)
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# ─── Main Content ───────────────────────────────────────────────────────────
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st.title("🍌 香蕉叶病害智能识别系统")
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st.caption("基于 ViT 视觉变换器 · 7 类香蕉叶病害自动分类")
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# 加载模型
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with st.spinner("正在加载模型（首次运行需下载约 343MB）..."):
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classifier = load_model()
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if uploaded_file is not None:
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# 显示上传的图片
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image = Image.open(uploaded_file).convert("RGB")
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col_img, col_result = st.columns([1, 1])
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with col_img:
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st.subheader("🖼️ 上传图片")
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st.image(image, use_container_width=True)
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# 推理
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with st.spinner("正在识别病害..."):
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results = classifier(image)
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# 解析结果
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top_result = results[0]
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top_label = top_result["label"]
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top_score = top_result["score"]
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disease = DISEASE_INFO.get(top_label, {
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"name": top_label,
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"name_en": top_label,
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"color": "#95a5a6",
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"description": "未知病害类型",
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"advice": "建议咨询专业植保人员",
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})
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with col_result:
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st.subheader("🔍 识别结果")
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is_healthy = top_label == "LABEL_3"
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if is_healthy:
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st.success(f"**{disease['name']}** — 置信度 {top_score:.1%}")
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else:
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st.warning(f"**{disease['name']}** — 置信度 {top_score:.1%}")
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st.markdown(f"**英文名**: {disease['name_en']}")
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st.markdown(f"**症状描述**: {disease['description']}")
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# ─── Confidence Bar Chart ────────────────────────────────────────────────
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st.subheader("📊 各类别置信度")
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labels = [r["label"] for r in results]
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scores = [r["score"] for r in results]
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display_names = [
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f"{DISEASE_INFO.get(l, {}).get('name', l)}" for l in labels
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]
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colors = [
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DISEASE_INFO.get(l, {}).get("color", "#95a5a6") for l in labels
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]
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fig = go.Figure()
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fig.add_trace(go.Bar(
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x=scores,
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y=display_names,
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orientation="h",
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marker=dict(
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color=colors,
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opacity=0.85,
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line=dict(color="rgba(0,0,0,0.08)", width=1),
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),
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text=[f"{s:.1%}" for s in scores],
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textposition="outside",
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textfont=dict(color="#5a5a5a", size=11),
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))
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fig.update_layout(
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xaxis=dict(
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title="置信度",
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range=[0, 1.15],
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tickformat=".0%",
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color="#5a5a5a",
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gridcolor="rgba(0,0,0,0.06)",
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),
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yaxis=dict(color="#2c2c2c", autorange="reversed"),
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paper_bgcolor="rgba(0,0,0,0)",
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plot_bgcolor="rgba(0,0,0,0)",
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font=dict(color="#2c2c2c", size=11),
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margin=dict(t=10, b=30, l=130, r=60),
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height=320,
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showlegend=False,
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)
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st.plotly_chart(fig, use_container_width=True)
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# ─── Pie Chart ──────────────────────────────────────────────────────────
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col_pie, col_advice = st.columns([1, 1])
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with col_pie:
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st.subheader("📈 置信度分布")
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fig_pie = go.Figure()
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fig_pie.add_trace(go.Pie(
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labels=display_names,
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values=scores,
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marker=dict(colors=colors),
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textinfo="label+percent",
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textfont=dict(size=10),
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hole=0.45,
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))
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fig_pie.update_layout(
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paper_bgcolor="rgba(0,0,0,0)",
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font=dict(color="#2c2c2c", size=10),
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margin=dict(t=10, b=10, l=10, r=10),
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height=300,
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showlegend=False,
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)
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st.plotly_chart(fig_pie, use_container_width=True)
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# ─── Disease Advice ─────────────────────────────────────────────────────
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with col_advice:
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st.subheader("💡 防治建议")
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if is_healthy:
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st.success(f"叶片状态健康，继续保持良好的田间管理！")
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else:
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st.error(f"检测到 **{disease['name']}** 病害")
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st.info(disease["advice"])
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# 如果置信度不高，给出提示
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if top_score < 0.6:
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st.warning(
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"⚠️ 置信度较低，建议：\n"
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"- 确保图片清晰且病变部位可见\n"
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"- 尝试拍摄完整叶片\n"
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"- 可咨询专业植保人员确认"
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)
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else:
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# 无图片上传时的占位内容
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st.info("👈 请在左侧上传一张香蕉叶片图片开始识别")
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# 展示示例区域
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st.subheader("📖 支持识别的病害类型")
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cols = st.columns(4)
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for i, (label_key, info) in enumerate(DISEASE_INFO.items()):
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with cols[i % 4]:
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with st.container(border=True):
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st.markdown(
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f"<div style='color:{info['color']}; font-size:24px; font-weight:bold;'>●</div>",
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unsafe_allow_html=True,
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)
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st.markdown(f"**{info['name']}**")
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st.caption(info["name_en"])
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st.divider()
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st.caption("香蕉叶病害智能识别系统 · 基于 ViT (Vision Transformer) · 仅供参考，确诊请咨询专业植保人员")
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