minor fix

13 years ago · 9a2358628b
parent 6d5171e5b6
commit 9a2358628b
1 changed files with 2 additions and 1 deletions
--- a/samples/gpu/optical_flow.cpp
+++ b/samples/gpu/optical_flow.cpp
@ -208,7 +208,7 @@ int main(int argc, const char* argv[])

        while (true)
        {
-            int key = toupper(waitKey(10));
+            int key = toupper(waitKey(10) & 0xff);

            switch (key)
            {
@ -282,6 +282,7 @@ void getFlowField(const Mat& u, const Mat& v, Mat& flowField)
        const float* ptr_u = u.ptr<float>(i);
        const float* ptr_v = v.ptr<float>(i);

+
        Vec4b* row = flowField.ptr<Vec4b>(i);

        for (int j = 0; j < flowField.cols; ++j)