Update demosaicing.cpp

4 years ago · 1fb6c6e6e5
parent d2dbc9d7a0
commit 1fb6c6e6e5
1 changed files with 3 additions and 3 deletions
--- a/modules/imgproc/src/demosaicing.cpp
+++ b/modules/imgproc/src/demosaicing.cpp
@ -1566,9 +1566,9 @@ public:
            int x = 1;
            if (start_with_green)
            {
-                D[blue<<1] = (S[-sstep] + S[sstep]) >> 1;
+                D[blue<<1] = (S[-sstep] + S[sstep] + 1) >> 1;
                D[1] = S[0];
-                D[2-(blue<<1)] = (S[-1] + S[1]) >> 1;
+                D[2-(blue<<1)] = (S[-1] + S[1] + 1) >> 1;
                D += dcn;
                ++S;
                ++x;
@ -1584,7 +1584,7 @@ public:
                {
                    D[0] = S[0];
                    D[1] = (std::abs(S[-1] - S[1]) > std::abs(S[sstep] - S[-sstep]) ? (S[sstep] + S[-sstep] + 1) : (S[-1] + S[1] + 1)) >> 1;
-                    D[2] = (S[-sstep-1] + S[-sstep+1] + S[sstep-1] + S[sstep+1]) >> 2;
+                    D[2] = (S[-sstep-1] + S[-sstep+1] + S[sstep-1] + S[sstep+1] + 2) >> 2;
                    D[3] = (S[0] + S[2] + 1) >> 1;
                    D[4] = S[1];