Itseez/opencv — pull request #485 by jet47 (2013-02-13 12:10:37+00:00)
Title: New functionality for gpu module

Merge new functionality for gpu module from master:
1. dual tvl1 optical flow (both cpu & gpu implementation)
2. enqueueHostCallback method in gpu::Stream
3. compare with scalars
4. norm & sum with masks
5. normalize
6. HoughLinesP
7. BM optical flow
8. perf4au application