@@ -191,13 +191,13 @@ void Classifier::Preprocess(const cv::Mat& img,
   /* Convert the input image to the input image format of the network. */
   cv::Mat sample;
   if (img.channels() == 3 && num_channels_ == 1)
-    cv::cvtColor(img, sample, CV_BGR2GRAY);
+    cv::cvtColor(img, sample, cv::COLOR_BGR2GRAY);
   else if (img.channels() == 4 && num_channels_ == 1)
-    cv::cvtColor(img, sample, CV_BGRA2GRAY);
+    cv::cvtColor(img, sample, cv::COLOR_BGRA2GRAY);
   else if (img.channels() == 4 && num_channels_ == 3)
-    cv::cvtColor(img, sample, CV_BGRA2BGR);
+    cv::cvtColor(img, sample, cv::COLOR_BGRA2BGR);
   else if (img.channels() == 1 && num_channels_ == 3)
-    cv::cvtColor(img, sample, CV_GRAY2BGR);
+    cv::cvtColor(img, sample, cv::COLOR_GRAY2BGR);
   else
     sample = img;