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Searched refs:fyy (Results 1 – 2 of 2) sorted by relevance

/packages/apps/Camera/jni/feature_stab/db_vlvm/
Ddb_feature_detection.cpp1458 float fyy = strength[y-1][x] - strength[y][x] - strength[y][x] + strength[y+1][x]; in db_SubPixel() local
1461 float denom = (fxx * fyy - fxy * fxy) * (float) 2.0; in db_SubPixel()
1475 float dx = (fyy * fx - fxy * fy) / denom; in db_SubPixel()
/packages/apps/LegacyCamera/jni/feature_stab/db_vlvm/
Ddb_feature_detection.cpp1458 float fyy = strength[y-1][x] - strength[y][x] - strength[y][x] + strength[y+1][x]; in db_SubPixel() local
1461 float denom = (fxx * fyy - fxy * fxy) * (float) 2.0; in db_SubPixel()
1475 float dx = (fyy * fx - fxy * fy) / denom; in db_SubPixel()