diff --git a/modules/java/android_test/src/org/opencv/test/OpenCVTestCase.java b/modules/java/android_test/src/org/opencv/test/OpenCVTestCase.java
index 58082f3d44..5f811714cc 100644
--- a/modules/java/android_test/src/org/opencv/test/OpenCVTestCase.java
+++ b/modules/java/android_test/src/org/opencv/test/OpenCVTestCase.java
@@ -31,6 +31,7 @@ public class OpenCVTestCase extends TestCase {
     protected static Mat truth;
 
     protected static Scalar colorBlack;
+    protected static Scalar colorWhite;
 
     // Naming notation: <channels info>_[depth]_[dimensions]_value
     // examples: gray0 - single channel 8U 2d Mat filled with 0
@@ -87,6 +88,7 @@ public class OpenCVTestCase extends TestCase {
         truth = null;
 
         colorBlack = new Scalar(0);
+        colorWhite = new Scalar(255, 255, 255);
 
         gray0 = new Mat(matSize, matSize, CvType.CV_8U, new Scalar(0));
         gray1 = new Mat(matSize, matSize, CvType.CV_8U, new Scalar(1));
diff --git a/modules/java/android_test/src/org/opencv/test/core/coreTest.java b/modules/java/android_test/src/org/opencv/test/core/coreTest.java
index 2f99709bb8..65f541ee12 100644
--- a/modules/java/android_test/src/org/opencv/test/core/coreTest.java
+++ b/modules/java/android_test/src/org/opencv/test/core/coreTest.java
@@ -3,7 +3,6 @@ package org.opencv.test.core;
 import java.util.ArrayList;
 import java.util.List;
 
-import org.opencv.utils.Converters;
 import org.opencv.core.Core;
 import org.opencv.core.CvException;
 import org.opencv.core.CvType;
@@ -12,6 +11,7 @@ import org.opencv.core.Point;
 import org.opencv.core.Rect;
 import org.opencv.core.Scalar;
 import org.opencv.test.OpenCVTestCase;
+import org.opencv.utils.Converters;
 
 public class coreTest extends OpenCVTestCase {
 
@@ -503,25 +503,26 @@ public class coreTest extends OpenCVTestCase {
     }
 
     public void testFillConvexPolyMatMatScalarIntInt() {
-        List<Point> lp = new ArrayList<Point>(4);
+        List<Point> lp = new ArrayList<Point>();
         lp.add(new Point(1, 1));
         lp.add(new Point(5, 1));
         lp.add(new Point(5, 8));
-        lp.add(new Point(1, 8));
+        lp.add(new Point(1, 8));        
         Mat points = Converters.vector_Point_to_Mat(lp);
-        List<Point> lp2 = new ArrayList<Point>(4);
-        lp2.add(new Point(2, 2));
+        
+        List<Point> lp2 = new ArrayList<Point>();
+        lp2.add(new Point(0, 0));
         lp2.add(new Point(10, 2));
-        lp2.add(new Point(10, 17)); // TODO: don't know why '16' fails the test
-        lp2.add(new Point(2, 17)); // TODO: don't know why '16' fails the test
+        lp2.add(new Point(10, 16));
+        lp2.add(new Point(2, 16));
         Mat points2 = Converters.vector_Point_to_Mat(lp2);
-        assertTrue(0 == Core.countNonZero(gray0));
-
-        Core.fillConvexPoly(gray0, points, new Scalar(150), 4, 0);
+        
+        assertEquals(0, Core.countNonZero(gray0));
+        Core.fillConvexPoly(gray0, points, colorWhite, 4 /*TODO: lineType*/, 0);
         assertTrue(0 < Core.countNonZero(gray0));
 
-        Core.fillConvexPoly(gray0, points2, new Scalar(0), 4, 1);
-        assertTrue(0 == Core.countNonZero(gray0));
+        Core.fillConvexPoly(gray0, points2, colorBlack, 4 /*TODO: lineType*/, 0);
+        assertEquals(0, Core.countNonZero(gray0));
     }
 
     public void testFillPolyMatListOfMatScalar() {
@@ -1152,14 +1153,11 @@ public class coreTest extends OpenCVTestCase {
 
     public void testPerspectiveTransform() {
         Mat src = new Mat(matSize, matSize, CvType.CV_32FC2);
-
         Core.randu(src, 0, 256);
 
-        // FIXME: use Mat.diag
         Mat transformMatrix = Mat.eye(3, 3, CvType.CV_32F);
 
         Core.perspectiveTransform(src, dst, transformMatrix);
-
         assertMatEqual(src, dst, EPS);
     }
 
diff --git a/modules/java/android_test/src/org/opencv/test/imgproc/imgprocTest.java b/modules/java/android_test/src/org/opencv/test/imgproc/imgprocTest.java
index 9fd8c1e30d..c7bc76dd79 100644
--- a/modules/java/android_test/src/org/opencv/test/imgproc/imgprocTest.java
+++ b/modules/java/android_test/src/org/opencv/test/imgproc/imgprocTest.java
@@ -14,7 +14,6 @@ import org.opencv.core.Size;
 import org.opencv.core.TermCriteria;
 import org.opencv.imgproc.Imgproc;
 import org.opencv.test.OpenCVTestCase;
-import org.opencv.test.OpenCVTestRunner;
 
 
 public class imgprocTest extends OpenCVTestCase {
@@ -443,8 +442,8 @@ public class imgprocTest extends OpenCVTestCase {
         int ksize = 5;
 
         // TODO: eigen vals and vectors returned = 0 for most src matrices
-        truth = new Mat(imgprocSz, imgprocSz, CvType.CV_32FC(6), new Scalar(0));
         Imgproc.cornerEigenValsAndVecs(src, dst, blockSize, ksize);
+        truth = new Mat(imgprocSz, imgprocSz, CvType.CV_32FC(6), new Scalar(0));
         assertMatEqual(truth, dst, EPS);
     }
 
@@ -767,15 +766,15 @@ public class imgprocTest extends OpenCVTestCase {
     }
 
     public void testFitEllipse() {
-        Mat points = new Mat(1, 5, CvType.CV_32FC2); // TODO: use the list of Points
+        Mat points = new Mat(1, 5, CvType.CV_32FC2);
         points.put(0, 0, 0.0, 0.0, -1.0, 1.0, 1.0, 1.0, 1.0, -1.0, -1.0, -1.0);
 
         RotatedRect rrect = new RotatedRect();
         rrect = Imgproc.fitEllipse(points);
         assertEquals(0.0, rrect.center.x);
         assertEquals(0.0, rrect.center.y);
-        assertEquals(2.0, rrect.size.width);
-        assertEquals(2.0, rrect.size.height);
+        assertEquals(2.53, rrect.size.width, EPS);
+        assertEquals(2.53, rrect.size.height, EPS);
     }
 
     public void testFitLine() {
@@ -1414,8 +1413,6 @@ public class imgprocTest extends OpenCVTestCase {
         points.add(new Point(1, 0));
         points.add(new Point(0, 1));
 
-        OpenCVTestRunner.Log(points.toString());
-
         Point actualCenter = new Point();
         float radius = 347.0f; // FIXME: Unexpected radius is returned i.e 0
         Imgproc.minEnclosingCircle(points, actualCenter, radius);
@@ -1424,7 +1421,6 @@ public class imgprocTest extends OpenCVTestCase {
         assertEquals(truthCenter, actualCenter);
 
         float truthRadius = 1.0f;
-        OpenCVTestRunner.Log("" + radius);
         assertEquals(truthRadius, radius, weakEPS);
     }