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tooltip bounds done i think

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This commit is contained in:
Boki 2026-02-10 21:24:50 -05:00
parent bb2b9cf507
commit 528453a321
1 changed files with 19 additions and 5 deletions
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24
tools/OcrDaemon/Program.cs
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@ -280,11 +280,25 @@ void HandleDiffOcr(Request req, TesseractEngine engine)
int maxX = Math.Min(bestColEnd + pad, w - 1);
int maxY = Math.Min(bestRowEnd + pad, h - 1);
// Trim 5px from left/right/bottom to remove tooltip border/shadow artifacts
int trim = 5;
minX = Math.Min(minX + trim, maxX);
maxX = Math.Max(maxX - trim, minX);
maxY = Math.Max(maxY - trim, minY);
// Dynamic right-edge trim: if the rightmost columns are much sparser than
// the tooltip body, trim them. This handles the ~5% of cases where ambient
// noise extends the detected region slightly on the right.
int colSpan = maxX - minX + 1;
if (colSpan > 100)
{
// Compute median column density in the middle 50% of the range
int q1 = minX + colSpan / 4;
int q3 = minX + colSpan * 3 / 4;
long midSum = 0;
int midCount = 0;
for (int x = q1; x <= q3; x++) { midSum += colCounts[x]; midCount++; }
double avgMidDensity = (double)midSum / midCount;
double cutoff = avgMidDensity * 0.3; // column must have >=30% of avg density
// Trim from right while below cutoff
while (maxX > minX + 100 && colCounts[maxX] < cutoff)
maxX--;
}
int rw = maxX - minX + 1;
int rh = maxY - minY + 1;