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work on new crop

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This commit is contained in:
Boki 2026-02-12 22:07:54 -05:00
parent 9845e7f9bf
commit a7fab55d44
22 changed files with 975 additions and 10 deletions
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30
tools/OcrDaemon/OcrHandler.cs
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@ -269,6 +269,36 @@ class OcrHandler(TesseractEngine engine)
int maxX = Math.Min(bestColEnd, w - 1);
int maxY = Math.Min(bestRowEnd, h - 1);
// Boundary extension: scan outward from detected edges with a relaxed threshold
// to capture low-signal regions (e.g. ornamental tooltip headers)
int extRowThresh = Math.Max(1, rowThresh / 4);
int extColThresh = Math.Max(1, colThresh / 4);
int extTop = Math.Max(0, minY - maxGap);
for (int y = minY - 1; y >= extTop; y--)
{
if (rowCounts[y] >= extRowThresh) minY = y;
else break;
}
int extBottom = Math.Min(h - 1, maxY + maxGap);
for (int y = maxY + 1; y <= extBottom; y++)
{
if (rowCounts[y] >= extRowThresh) maxY = y;
else break;
}
int extLeft = Math.Max(0, minX - maxGap);
for (int x = minX - 1; x >= extLeft; x--)
{
if (colCounts[x] >= extColThresh) minX = x;
else break;
}
int extRight = Math.Min(w - 1, maxX + maxGap);
for (int x = maxX + 1; x <= extRight; x++)
{
if (colCounts[x] >= extColThresh) maxX = x;
else break;
}
// Trim low-density edges on both axes to avoid oversized crops.
int colSpan = maxX - minX + 1;
if (colSpan > 50)