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优化：修复Logger类型错误，重写CLAHE算法，像素遍历改用unsafe指针加速

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李伟
2026-05-26 13:28:52 +08:00
parent 82b7c32147
commit 030433cc92
5 changed files with 140 additions and 53 deletions
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XP.ImageProcessing.Processors/检测分析/QfnLeadPadVoidProcessor.cs
+32 -14
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@@ -291,15 +291,23 @@ public class QfnLeadPadVoidProcessor : ImageProcessorBase
// 双阈值分割（X-Ray正片：焊点=暗区域，灰度在[threshLow, threshHigh]范围内判为焊点）
var binary = new Image<Gray, byte>(w, h);
byte[,,] srcData = blurred.Data;
byte[,,] dstData = binary.Data;
for (int y = 0; y < h; y++)
unsafe
{
for (int x = 0; x < w; x++)
byte* srcPtr = (byte*)blurred.Mat.DataPointer;
byte* dstPtr = (byte*)binary.Mat.DataPointer;
int srcStep = blurred.Mat.Step;
int dstStep = binary.Mat.Step;
for (int y = 0; y < h; y++)
{
byte val = srcData[y, x, 0];
dstData[y, x, 0] = (val >= threshLow && val <= threshHigh) ? (byte)255 : (byte)0;
byte* srcRow = srcPtr + y * srcStep;
byte* dstRow = dstPtr + y * dstStep;
for (int x = 0; x < w; x++)
{
byte val = srcRow[x];
dstRow[x] = (val >= threshLow && val <= threshHigh) ? (byte)255 : (byte)0;
}
}
}
@@ -410,18 +418,28 @@ public class QfnLeadPadVoidProcessor : ImageProcessorBase
// 双阈值分割（正片模式：空洞=亮区域，灰度在[voidThreshLow, voidThreshHigh]范围内判为空洞）
var voidImg = new Image<Gray, byte>(w, h);
byte[,,] srcData = input.Data;
byte[,,] dstData = voidImg.Data;
byte[,,] maskData = mask.Data;
for (int y = 0; y < h; y++)
unsafe
{
for (int x = 0; x < w; x++)
byte* srcPtr = (byte*)input.Mat.DataPointer;
byte* dstPtr = (byte*)voidImg.Mat.DataPointer;
byte* mskPtr = (byte*)mask.Mat.DataPointer;
int srcStep = input.Mat.Step;
int dstStep = voidImg.Mat.Step;
int mskStep = mask.Mat.Step;
for (int y = 0; y < h; y++)
{
if (maskData[y, x, 0] > 0)
byte* srcRow = srcPtr + y * srcStep;
byte* dstRow = dstPtr + y * dstStep;
byte* mskRow = mskPtr + y * mskStep;
for (int x = 0; x < w; x++)
{
byte val = srcData[y, x, 0];
dstData[y, x, 0] = (val >= voidThreshLow && val <= voidThreshHigh) ? (byte)255 : (byte)0;
if (mskRow[x] > 0)
{
byte val = srcRow[x];
dstRow[x] = (val >= voidThreshLow && val <= voidThreshHigh) ? (byte)255 : (byte)0;
}
}
}
}