diff --git a/modules/core/test/test_math.cpp b/modules/core/test/test_math.cpp
index 6b51d8af9..aeb3f15e6 100644
--- a/modules/core/test/test_math.cpp
+++ b/modules/core/test/test_math.cpp
@@ -1356,7 +1356,7 @@ void Core_DetTest::get_test_array_types_and_sizes( int test_case_idx, vector<vec
 {
     Base::get_test_array_types_and_sizes( test_case_idx, sizes, types );
 
-    sizes[INPUT][0].width = sizes[INPUT][0].height = sizes[INPUT][0].height;
+    sizes[INPUT][0].width = sizes[INPUT][0].height;
     sizes[TEMP][0] = sizes[INPUT][0];
     types[TEMP][0] = CV_64FC1;
 }
diff --git a/modules/imgproc/src/contours.cpp b/modules/imgproc/src/contours.cpp
index 797f8c56c..420c758c5 100644
--- a/modules/imgproc/src/contours.cpp
+++ b/modules/imgproc/src/contours.cpp
@@ -1009,7 +1009,7 @@ cvFindNextContour( CvContourScanner scanner )
     if( mode == CV_RETR_FLOODFILL )
     {
         prev = ((int*)img)[x - 1];
-        new_mask = INT_MIN >> 1;
+        new_mask = INT_MIN / 2;
     }
 
     for( ; y < height; y++, img += step )
diff --git a/modules/imgproc/test/test_imgwarp_strict.cpp b/modules/imgproc/test/test_imgwarp_strict.cpp
index 07c5e0cc8..034d89014 100644
--- a/modules/imgproc/test/test_imgwarp_strict.cpp
+++ b/modules/imgproc/test/test_imgwarp_strict.cpp
@@ -556,7 +556,6 @@ void CV_Resize_Test::resize_1d(const Mat& _src, Mat& _dst, int dy, const dim& _d
                 xyD[r] = 0;
                 for (int k = 0; k < ksize; ++k)
                     xyD[r] += w[k] * xyS[k * cn + r];
-                xyD[r] = xyD[r];
             }
         }
     }
diff --git a/modules/ml/src/em.cpp b/modules/ml/src/em.cpp
index 86cbaba24..0bd44f272 100644
--- a/modules/ml/src/em.cpp
+++ b/modules/ml/src/em.cpp
@@ -135,7 +135,7 @@ Vec2d EM::predict(InputArray _sample, OutputArray _probs) const
         sample.convertTo(tmp, CV_64FC1);
         sample = tmp;
     }
-    sample.reshape(1, 1);
+    sample = sample.reshape(1, 1);
 
     Mat probs;
     if( _probs.needed() )
@@ -266,7 +266,7 @@ void EM::setTrainData(int startStep, const Mat& samples,
     if(weights0 && (startStep == EM::START_E_STEP && covs0))
     {
         weights0->convertTo(weights, CV_64FC1);
-        weights.reshape(1,1);
+        weights = weights.reshape(1,1);
         preprocessProbability(weights);
     }
 
diff --git a/modules/ts/misc/run.py b/modules/ts/misc/run.py
index 194ab4b50..19ab2ab7f 100755
--- a/modules/ts/misc/run.py
+++ b/modules/ts/misc/run.py
@@ -740,7 +740,15 @@ class TestSuite(object):
                 print >> _stderr, "Run command:", command
                 if self.setUp:
                     self.setUp()
-                Popen(self.adb + ["shell", "export OPENCV_TEST_DATA_PATH=" + self.options.test_data_path + "&& cd " + andoidcwd + "&& ./" + command], stdout=_stdout, stderr=_stderr).wait()
+                env = self.options.android_env.copy()
+                env['OPENCV_TEST_DATA_PATH'] = self.options.test_data_path
+                if self.options.android_propagate_opencv_env:
+                    for k, v in os.environ.items():
+                        if k.startswith('OPENCV') and not k in env:
+                            env[k] = v
+                print >> _stderr, "Android environment variables: \n", '\n'.join(['    %s=%s' % (k, v) for k, v in env.items()])
+                commandPrefix = ''.join(['export %s=%s && ' % (k, v) for k, v in env.items()])
+                Popen(self.adb + ["shell", commandPrefix + "cd " + andoidcwd + "&& ./" + command], stdout=_stdout, stderr=_stderr).wait()
                 if self.tearDown:
                     self.tearDown()
                 # try get log
@@ -852,6 +860,8 @@ if __name__ == "__main__":
     parser.add_option("-a", "--accuracy", dest="accuracy", help="look for accuracy tests instead of performance tests", action="store_true", default=False)
     parser.add_option("-l", "--longname", dest="useLongNames", action="store_true", help="generate log files with long names", default=False)
     parser.add_option("", "--android_test_data_path", dest="test_data_path", help="OPENCV_TEST_DATA_PATH for Android run", metavar="PATH", default="/sdcard/opencv_testdata/")
+    parser.add_option("", "--android_env", dest="android_env_array", help="Environment variable for Android run (NAME=VALUE)", action='append')
+    parser.add_option("", "--android_propagate_opencv_env", dest="android_propagate_opencv_env", help="Propagate OPENCV* environment variables for Android run", action="store_true", default=False)
     parser.add_option("", "--configuration", dest="configuration", help="force Debug or Release configuration", metavar="CFG", default="")
     parser.add_option("", "--serial", dest="adb_serial", help="Android: directs command to the USB device or emulator with the given serial number", metavar="serial number", default="")
     parser.add_option("", "--package", dest="junit_package", help="Android: run jUnit tests for specified package", metavar="package", default="")
@@ -872,6 +882,12 @@ if __name__ == "__main__":
         print >> sys.stderr, "Usage:", os.path.basename(sys.argv[0]), "[options] [build_path]"
         exit(1)
 
+    options.android_env = {}
+    if options.android_env_array:
+        for entry in options.android_env_array:
+            k, v = entry.split("=", 1)
+            options.android_env[k] = v
+
     tests = [s.strip() for s in options.tests.split(",") if s]
 
     if len(tests) != 1 or len(run_args) != 1: