optimization: filtering out low saturation (gray) colors

2026-01-31 17:37:08 +03:00
parent f53bb9e657
commit 84e4ddb4cf
1 changed files with 5 additions and 0 deletions
@@ -108,6 +108,11 @@ int main(int argc, char *argv[]) {
        int brightness = p.r + p.g + p.b;
        if (brightness < 60) continue;           //filtering out dark pixels

+        int minc = std::min({p.r, p.g, p.b});
+        int maxc = std::max({p.r, p.g, p.b});
+        if (maxc - minc < 10) continue;         //filtering out low saturation
+                                                //(gray) colors
+
        int rq = p.r / 16;
        int gq = p.g / 16;
        int bq = p.b / 16;