Merge remote-tracking branch 'upstream/3.4' into merge-3.4

Author: alalek

modules/aruco/include/opencv2/aruco.hpp

@@ -471,6 +471,8 @@ CV_EXPORTS_W void drawDetectedMarkers(InputOutputArray image, InputArrayOfArrays
  *
  * Given the pose estimation of a marker or board, this function draws the axis of the world
  * coordinate system, i.e. the system centered on the marker/board. Useful for debugging purposes.
+ *
+ * @deprecated use cv::drawFrameAxes
  */
 CV_EXPORTS_W void drawAxis(InputOutputArray image, InputArray cameraMatrix, InputArray distCoeffs,
                            InputArray rvec, InputArray tvec, float length);

modules/aruco/src/aruco.cpp

@@ -1731,30 +1731,12 @@ void drawDetectedMarkers(InputOutputArray _image, InputArrayOfArrays _corners,
 
 /**
  */
-void drawAxis(InputOutputArray _image, InputArray _cameraMatrix, InputArray _distCoeffs,
-              InputArray _rvec, InputArray _tvec, float length) {
-
-    CV_Assert(_image.getMat().total() != 0 &&
-              (_image.getMat().channels() == 1 || _image.getMat().channels() == 3));
-    CV_Assert(length > 0);
-
-    // project axis points
-    vector< Point3f > axisPoints;
-    axisPoints.push_back(Point3f(0, 0, 0));
-    axisPoints.push_back(Point3f(length, 0, 0));
-    axisPoints.push_back(Point3f(0, length, 0));
-    axisPoints.push_back(Point3f(0, 0, length));
-    vector< Point2f > imagePoints;
-    projectPoints(axisPoints, _rvec, _tvec, _cameraMatrix, _distCoeffs, imagePoints);
-
-    // draw axis lines
-    line(_image, imagePoints[0], imagePoints[1], Scalar(0, 0, 255), 3);
-    line(_image, imagePoints[0], imagePoints[2], Scalar(0, 255, 0), 3);
-    line(_image, imagePoints[0], imagePoints[3], Scalar(255, 0, 0), 3);
+void drawAxis(InputOutputArray _image, InputArray _cameraMatrix, InputArray _distCoeffs, InputArray _rvec,
+              InputArray _tvec, float length)
+{
+    drawFrameAxes(_image, _cameraMatrix, _distCoeffs, _rvec, _tvec, length, 3);
 }
 
-
-
 /**
  */
 void drawMarker(const Ptr<Dictionary> &dictionary, int id, int sidePixels, OutputArray _img, int borderBits) {

modules/shape/misc/python/test/test_shape.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env python
+
+# Python 2/3 compatibility
+from __future__ import print_function
+
+import os
+
+import cv2 as cv
+
+from tests_common import NewOpenCVTests
+
+SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
+MODULE_DIR = os.path.join(SCRIPT_DIR, '../../../')
+
+class shape_test(NewOpenCVTests):
+
+    def test_computeDistance(self):
+
+        a = cv.imread(os.path.join(MODULE_DIR, 'samples/data/shape_sample/1.png'), cv.IMREAD_GRAYSCALE)
+        b = cv.imread(os.path.join(MODULE_DIR, 'samples/data/shape_sample/2.png'), cv.IMREAD_GRAYSCALE)
+        if a is None or b is None:
+            raise unittest.SkipTest("Missing files with test data")
+
+        ca, _ = cv.findContours(a, cv.RETR_CCOMP, cv.CHAIN_APPROX_TC89_KCOS)
+        cb, _ = cv.findContours(b, cv.RETR_CCOMP, cv.CHAIN_APPROX_TC89_KCOS)
+
+        hd = cv.createHausdorffDistanceExtractor()
+        sd = cv.createShapeContextDistanceExtractor()
+
+        d1 = hd.computeDistance(ca[0], cb[0])
+        d2 = sd.computeDistance(ca[0], cb[0])
+
+        self.assertAlmostEqual(d1, 26.4196891785, 3, "HausdorffDistanceExtractor")
+        self.assertAlmostEqual(d2, 0.25804194808, 3, "ShapeContextDistanceExtractor")
+
+if __name__ == '__main__':
+    NewOpenCVTests.bootstrap()

modules/text/src/ocr_tesseract.cpp

@@ -48,6 +48,14 @@
 #include <fstream>
 #include <queue>
 
+#ifdef HAVE_TESSERACT
+#if !defined(USE_STD_NAMESPACE)
+#define USE_STD_NAMESPACE
+#endif
+#include <tesseract/baseapi.h>
+#include <tesseract/resultiterator.h>
+#endif
+
 namespace cv
 {
 namespace text

modules/text/src/precomp.hpp

@@ -47,12 +47,4 @@
 
 #include "text_config.hpp"
 
-#ifdef HAVE_TESSERACT
-#if !defined(USE_STD_NAMESPACE)
-#define USE_STD_NAMESPACE
-#endif
-#include <tesseract/baseapi.h>
-#include <tesseract/resultiterator.h>
-#endif
-
 #endif