cDNA-image-processing/results_simple/flowchart.drawio

<mxfile host="draw.io" modified="2026-05-06T12:00:00.000Z" agent="Claude" version="24.0.0">
  <diagram name="简化版网格划分算法流程" id="flowchart">
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      <root>
        <mxCell id="0"/>
        <mxCell id="1" parent="0"/>

        <!-- 标题 -->
        <mxCell id="title" value="cDNA微阵列网格划分 —— 简化版算法流程图" style="text;html=1;strokeColor=none;fillColor=none;align=center;verticalAlign=middle;whiteSpace=wrap;rounded=0;fontSize=20;fontStyle=1;fontColor=#1565C0" vertex="1" parent="1">
          <mxGeometry x="300" y="30" width="600" height="40" as="geometry"/>
        </mxCell>

        <!-- ====== 第一行：输入 ====== -->
        <mxCell id="s1" value="1. 读取图像" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#C8E6C9;strokeColor=#2E7D32;strokeWidth=2;fontSize=14;fontStyle=1;align=center;verticalAlign=middle" vertex="1" parent="1">
          <mxGeometry x="480" y="100" width="240" height="50" as="geometry"/>
        </mxCell>

        <mxCell id="s2" value="2. 转为灰度图&#xa;color.rgb2gray(img)" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#C8E6C9;strokeColor=#2E7D32;strokeWidth=2;fontSize=14;fontStyle=1;align=center;verticalAlign=middle" vertex="1" parent="1">
          <mxGeometry x="480" y="190" width="240" height="55" as="geometry"/>
        </mxCell>

        <!-- ====== 第二行：投影（分叉） ====== -->
        <mxCell id="s3L" value="3. 纵轴投影&#xa;np.sum(gray, axis=0)&#xa;每一列灰度值求和" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#E8EAF6;strokeColor=#3949AB;strokeWidth=2;fontSize=13;align=center;verticalAlign=middle" vertex="1" parent="1">
          <mxGeometry x="300" y="290" width="240" height="65" as="geometry"/>
        </mxCell>

        <mxCell id="s3R" value="3. 横轴投影&#xa;np.sum(gray, axis=1)&#xa;每一行灰度值求和" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#E8EAF6;strokeColor=#3949AB;strokeWidth=2;fontSize=13;align=center;verticalAlign=middle" vertex="1" parent="1">
          <mxGeometry x="660" y="290" width="240" height="65" as="geometry"/>
        </mxCell>

        <!-- ====== 第三行：计算阈值（汇聚） ====== -->
        <mxCell id="s4" value="4. 计算阈值 X&#xa;X = (max - min) × 10%" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#FFF9C4;strokeColor=#F9A825;strokeWidth=3;fontSize=14;fontStyle=1;align=center;verticalAlign=middle" vertex="1" parent="1">
          <mxGeometry x="480" y="400" width="240" height="55" as="geometry"/>
        </mxCell>

        <!-- ====== 第四行：减阈值 ====== -->
        <mxCell id="s5" value="5. 曲线减去 X&#xa;col_shifted = col_profile - X&#xa;row_shifted = row_profile - X" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#FFF9C4;strokeColor=#F9A825;strokeWidth=3;fontSize=13;align=center;verticalAlign=middle" vertex="1" parent="1">
          <mxGeometry x="480" y="500" width="240" height="65" as="geometry"/>
        </mxCell>

        <!-- ====== 决策：正负判断 ====== -->
        <mxCell id="s6" value="6. 减阈值后结果" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#FFE0B2;strokeColor=#E65100;strokeWidth=2;fontSize=13;align=center;verticalAlign=middle" vertex="1" parent="1">
          <mxGeometry x="480" y="610" width="240" height="40" as="geometry"/>
        </mxCell>

        <mxCell id="d1" value="&gt; 0 ?" style="rhombus;whiteSpace=wrap;html=1;fillColor=#FFF9C4;strokeColor=#F9A825;strokeWidth=2;fontSize=13;fontStyle=1;align=center;verticalAlign=middle" vertex="1" parent="1">
          <mxGeometry x="525" y="690" width="150" height="80" as="geometry"/>
        </mxCell>

        <mxCell id="s7pos" value="正 → 斑点区域" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#C8E6C9;strokeColor=#2E7D32;strokeWidth=2;fontSize=13;fontStyle=1;align=center;verticalAlign=middle" vertex="1" parent="1">
          <mxGeometry x="260" y="700" width="160" height="50" as="geometry"/>
        </mxCell>

        <mxCell id="s7neg" value="负 → 空隙" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#FFCDD2;strokeColor=#C62828;strokeWidth=2;fontSize=13;fontStyle=1;align=center;verticalAlign=middle" vertex="1" parent="1">
          <mxGeometry x="780" y="700" width="160" height="50" as="geometry"/>
        </mxCell>

        <!-- ====== 第五行：找过零点 ====== -->
        <mxCell id="s8" value="7. 找过零点" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#E3F2FD;strokeColor=#1565C0;strokeWidth=3;fontSize=14;fontStyle=1;align=center;verticalAlign=middle" vertex="1" parent="1">
          <mxGeometry x="480" y="820" width="240" height="50" as="geometry"/>
        </mxCell>

        <mxCell id="note1" value="遍历 is_positive 数组&#xa;当相邻位置正负不同时&#xa;记录该位置 = 过零点" style="shape=note;whiteSpace=wrap;html=1;fillColor=#FFFDE7;strokeColor=#F9A825;strokeWidth=1;fontSize=11;align=left;verticalAlign=top;backgroundOutline=1;size=14" vertex="1" parent="1">
          <mxGeometry x="800" y="820" width="160" height="80" as="geometry"/>
        </mxCell>

        <!-- ====== 第六行：配对 ====== -->
        <mxCell id="s9" value="8. 配对过零点" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#E3F2FD;strokeColor=#1565C0;strokeWidth=3;fontSize=14;fontStyle=1;align=center;verticalAlign=middle" vertex="1" parent="1">
          <mxGeometry x="480" y="920" width="240" height="50" as="geometry"/>
        </mxCell>

        <mxCell id="note2" value="配对「离开斑点+进入下一斑点」&#xa;即：正→负 与 负→正&#xa;中点 = 空隙中央 = 划线位置" style="shape=note;whiteSpace=wrap;html=1;fillColor=#FFFDE7;strokeColor=#F9A825;strokeWidth=1;fontSize=11;align=left;verticalAlign=top;backgroundOutline=1;size=14" vertex="1" parent="1">
          <mxGeometry x="800" y="920" width="180" height="80" as="geometry"/>
        </mxCell>

        <!-- ====== 输出 ====== -->
        <mxCell id="s10" value="9. 画出网格线&#xa;ax.axvline(x) / ax.axhline(y)" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#C8E6C9;strokeColor=#2E7D32;strokeWidth=2;fontSize=13;fontStyle=1;align=center;verticalAlign=middle" vertex="1" parent="1">
          <mxGeometry x="480" y="1020" width="240" height="55" as="geometry"/>
        </mxCell>

        <mxCell id="s11" value="10. 输出网格叠加图" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#C8E6C9;strokeColor=#2E7D32;strokeWidth=2;fontSize=14;fontStyle=1;align=center;verticalAlign=middle" vertex="1" parent="1">
          <mxGeometry x="480" y="1120" width="240" height="50" as="geometry"/>
        </mxCell>

        <!-- ====== 连接线 ====== -->
        <!-- s1 → s2 -->
        <mxCell id="e1" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#666666;strokeWidth=2;endArrow=classic;endFill=1" edge="1" parent="1" source="s1" target="s2">
          <mxGeometry relative="1" as="geometry"/>
        </mxCell>

        <!-- s2 → s3L -->
        <mxCell id="e2L" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#666666;strokeWidth=2;endArrow=classic;endFill=1" edge="1" parent="1" source="s2" target="s3L">
          <mxGeometry relative="1" as="geometry"/>
        </mxCell>

        <!-- s2 → s3R -->
        <mxCell id="e2R" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#666666;strokeWidth=2;endArrow=classic;endFill=1" edge="1" parent="1" source="s2" target="s3R">
          <mxGeometry relative="1" as="geometry"/>
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        <!-- s3L → s4 -->
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          <mxGeometry relative="1" as="geometry"/>
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        <!-- s3R → s4 -->
        <mxCell id="e3R" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#666666;strokeWidth=2;endArrow=classic;endFill=1" edge="1" parent="1" source="s3R" target="s4">
          <mxGeometry relative="1" as="geometry"/>
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        <!-- s4 → s5 -->
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          <mxGeometry relative="1" as="geometry"/>
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        <!-- s5 → s6 -->
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          <mxGeometry relative="1" as="geometry"/>
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        <!-- s6 → d1 -->
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          <mxGeometry relative="1" as="geometry"/>
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        <!-- d1 → s7pos (Yes/正) -->
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          <mxGeometry relative="1" as="geometry"/>
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        <!-- d1 → s7neg (No/负) -->
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        <!-- s7pos → s8, s7neg → s8 (汇聚) -->
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          <mxGeometry relative="1" as="geometry"/>
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        <mxCell id="e8n" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#666666;strokeWidth=2;endArrow=classic;endFill=1;dashed=1" edge="1" parent="1" source="s7neg" target="s8">
          <mxGeometry relative="1" as="geometry"/>
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        <!-- s8 → s9 -->
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          <mxGeometry relative="1" as="geometry"/>
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        <!-- s9 → s10 -->
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          <mxGeometry relative="1" as="geometry"/>
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        <!-- s10 → s11 -->
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          <mxGeometry relative="1" as="geometry"/>
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        <!-- 图例 -->
        <mxCell id="legend_title" value="图例" style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;whiteSpace=wrap;rounded=0;fontSize=14;fontStyle=1" vertex="1" parent="1">
          <mxGeometry x="60" y="1080" width="60" height="30" as="geometry"/>
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        <mxCell id="leg1" value="输入/输出" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#C8E6C9;strokeColor=#2E7D32;strokeWidth=2;fontSize=11;align=center;verticalAlign=middle" vertex="1" parent="1">
          <mxGeometry x="60" y="1120" width="100" height="30" as="geometry"/>
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        <mxCell id="leg2" value="数据处理" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#FFF9C4;strokeColor=#F9A825;strokeWidth=2;fontSize=11;align=center;verticalAlign=middle" vertex="1" parent="1">
          <mxGeometry x="60" y="1160" width="100" height="30" as="geometry"/>
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        <mxCell id="leg3" value="核心逻辑" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#E3F2FD;strokeColor=#1565C0;strokeWidth=2;fontSize=11;align=center;verticalAlign=middle" vertex="1" parent="1">
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