mirror/opencv
1
0
Fork 0
mirror of https://github.com/opencv/opencv.git synced 2025-01-18 14:13:15 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Valgrind: do not use uninitialized data in optflow

Browse Source
This commit is contained in:
Maksim Shabunin 2015-12-08 17:47:06 +03:00
parent 4a294775da
commit 832a03821d
1 changed files with 8 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
modules/video/src/tvl1flow.cpp
View File

@ -1133,18 +1133,22 @@ void EstimateDualVariablesBody::operator() (const Range& range) const
{
const float g1 = static_cast<float>(hypot(u1xRow[x], u1yRow[x]));
const float g2 = static_cast<float>(hypot(u2xRow[x], u2yRow[x]));
const float g3 = static_cast<float>(hypot(u3xRow[x], u3yRow[x]));
const float ng1 = 1.0f + taut * g1;
const float ng2 = 1.0f + taut * g2;
const float ng3 = 1.0f + taut * g3;
p11Row[x] = (p11Row[x] + taut * u1xRow[x]) / ng1;
p12Row[x] = (p12Row[x] + taut * u1yRow[x]) / ng1;
p21Row[x] = (p21Row[x] + taut * u2xRow[x]) / ng2;
p22Row[x] = (p22Row[x] + taut * u2yRow[x]) / ng2;
if (use_gamma) p31Row[x] = (p31Row[x] + taut * u3xRow[x]) / ng3;
if (use_gamma) p32Row[x] = (p32Row[x] + taut * u3yRow[x]) / ng3;
if (use_gamma)
{
const float g3 = static_cast<float>(hypot(u3xRow[x], u3yRow[x]));
const float ng3 = 1.0f + taut * g3;
p31Row[x] = (p31Row[x] + taut * u3xRow[x]) / ng3;
p32Row[x] = (p32Row[x] + taut * u3yRow[x]) / ng3;
}
}
}
}