diff --git a/samples/android/color-blob-detection/src/org/opencv/samples/colorblobdetect/ColorBlobDetectionActivity.java b/samples/android/color-blob-detection/src/org/opencv/samples/colorblobdetect/ColorBlobDetectionActivity.java
index 9c1e906cf4..a656dc5019 100644
--- a/samples/android/color-blob-detection/src/org/opencv/samples/colorblobdetect/ColorBlobDetectionActivity.java
+++ b/samples/android/color-blob-detection/src/org/opencv/samples/colorblobdetect/ColorBlobDetectionActivity.java
@@ -159,7 +159,7 @@ public class ColorBlobDetectionActivity extends CameraActivity implements OnTouc
         for (int i = 0; i < mBlobColorHsv.val.length; i++)
             mBlobColorHsv.val[i] /= pointCount;
 
-        mBlobColorRgba = converScalarHsv2Rgba(mBlobColorHsv);
+        mBlobColorRgba = convertScalarHsv2Rgba(mBlobColorHsv);
 
         Log.i(TAG, "Touched rgba color: (" + mBlobColorRgba.val[0] + ", " + mBlobColorRgba.val[1] +
                 ", " + mBlobColorRgba.val[2] + ", " + mBlobColorRgba.val[3] + ")");
@@ -182,7 +182,7 @@ public class ColorBlobDetectionActivity extends CameraActivity implements OnTouc
         if (mIsColorSelected) {
             mDetector.process(mRgba);
             List<MatOfPoint> contours = mDetector.getContours();
-            Log.e(TAG, "Contours count: " + contours.size());
+            Log.i(TAG, "Contours count: " + contours.size());
             Imgproc.drawContours(mRgba, contours, -1, CONTOUR_COLOR);
 
             Mat colorLabel = mRgba.submat(4, 68, 4, 68);
@@ -195,7 +195,7 @@ public class ColorBlobDetectionActivity extends CameraActivity implements OnTouc
         return mRgba;
     }
 
-    private Scalar converScalarHsv2Rgba(Scalar hsvColor) {
+    private Scalar convertScalarHsv2Rgba(Scalar hsvColor) {
         Mat pointMatRgba = new Mat();
         Mat pointMatHsv = new Mat(1, 1, CvType.CV_8UC3, hsvColor);
         Imgproc.cvtColor(pointMatHsv, pointMatRgba, Imgproc.COLOR_HSV2RGB_FULL, 4);
diff --git a/samples/swift/ios/ColorBlobDetection/ColorBlobDetection/ViewController.swift b/samples/swift/ios/ColorBlobDetection/ColorBlobDetection/ViewController.swift
index 4d2975dd56..97f3ec74d0 100644
--- a/samples/swift/ios/ColorBlobDetection/ColorBlobDetection/ViewController.swift
+++ b/samples/swift/ios/ColorBlobDetection/ColorBlobDetection/ViewController.swift
@@ -101,7 +101,7 @@ class ViewController: UIViewController, CvVideoCameraDelegate2 {
             let pointCount = touchedRect.width*touchedRect.height
             blobColorHsv = blobColorHsv.mul(Scalar.all(1.0/Double(pointCount)))
 
-            blobColorRgba = converScalarHsv2Rgba(hsvColor: blobColorHsv)
+            blobColorRgba = convertScalarHsv2Rgba(hsvColor: blobColorHsv)
 
             NSLog("Touched rgba color: (\(blobColorRgba.val[0]), \(blobColorRgba.val[1]), \( blobColorRgba.val[2]), \(blobColorRgba.val[3])")
 
@@ -113,7 +113,7 @@ class ViewController: UIViewController, CvVideoCameraDelegate2 {
         }
     }
 
-    func converScalarHsv2Rgba(hsvColor:Scalar) -> Scalar {
+    func convertScalarHsv2Rgba(hsvColor:Scalar) -> Scalar {
         let pointMatRgba = Mat()
         let pointMatHsv = Mat(rows: 1, cols: 1, type: CvType.CV_8UC3, scalar: hsvColor)
         Imgproc.cvtColor(src: pointMatHsv, dst: pointMatRgba, code: .COLOR_HSV2RGB_FULL, dstCn: 4)