dockerfile/openalpr-base
1
0
Fork 0
mirror of https://github.com/kerberos-io/openalpr-base.git synced 2025-10-06 11:07:00 +08:00
Code Issues Packages Projects Releases Wiki Activity

Added a few extra pixels to the top/bottom plate edge line guess

Browse Source
This commit is contained in:
Matt Hill
2016-03-07 12:56:37 -05:00
parent 687f1c86d1
commit 78f6fb2b41
1 changed files with 5 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
src/openalpr/edges/platecorners.cpp
View File

@@ -243,6 +243,8 @@ namespace alpr
LineSegment top; LineSegment top;
LineSegment bottom; LineSegment bottom;
// Add a few extra pixels to the guessed line, so we don't accidentally crop the characters
int extra_vertical_pixels = 3;
float charHeightToPlateHeightRatio = pipelineData->config->plateHeightMM / pipelineData->config->avgCharHeightMM; float charHeightToPlateHeightRatio = pipelineData->config->plateHeightMM / pipelineData->config->avgCharHeightMM;
float idealPixelHeight = tlc.charHeight * charHeightToPlateHeightRatio; float idealPixelHeight = tlc.charHeight * charHeightToPlateHeightRatio;
@@ -266,13 +268,13 @@ namespace alpr
else if (h1 == NO_LINE && h2 != NO_LINE) else if (h1 == NO_LINE && h2 != NO_LINE)
{ {
bottom = this->plateLines->horizontalLines[h2].line; bottom = this->plateLines->horizontalLines[h2].line;
top = bottom.getParallelLine(idealPixelHeight); top = bottom.getParallelLine(idealPixelHeight + extra_vertical_pixels);
missingSegmentPenalty++; missingSegmentPenalty++;
} }
else if (h1 != NO_LINE && h2 == NO_LINE) else if (h1 != NO_LINE && h2 == NO_LINE)
{ {
top = this->plateLines->horizontalLines[h1].line; top = this->plateLines->horizontalLines[h1].line;
bottom = top.getParallelLine(-1 * idealPixelHeight); bottom = top.getParallelLine(-1 * idealPixelHeight + extra_vertical_pixels);
missingSegmentPenalty++; missingSegmentPenalty++;
} }