fix python wrapping

modules/objdetect/include/opencv2/objdetect/objdetect.hpp

@@ -561,7 +561,7 @@ public:
     virtual void detect(InputArray image, InputArray rois, std::vector<Detection>& objects) const;
     // Param rects is an output array of bounding rectangles for detected objects.
     // Param confs is an output array of confidence for detected objects. i-th bounding rectangle corresponds i-th configence.
-    CV_WRAP virtual void detect(InputArray image, InputArray rois, OutputArray rects, OutputArray confs) const;
+    CV_WRAP virtual void detect(InputArray image, InputArray rois, CV_OUT OutputArray rects, CV_OUT OutputArray confs) const;
 
 private:
     void detectNoRoi(const Mat& image, std::vector<Detection>& objects) const;

modules/objdetect/src/softcascade.cpp

@@ -525,7 +525,7 @@ void cv::SCascade::detect(cv::InputArray _image, cv::InputArray _rois, std::vect
 
     objects.clear();
 
-    if (_rois.kind() == cv::_InputArray::NONE)
+    if (_rois.empty())
         return detectNoRoi(image, objects);
 
     int shr = fld.shrinkage;
@@ -577,7 +577,7 @@ void cv::SCascade::detect(InputArray _image, InputArray _rois,  OutputArray _rec
 
     _confs.create(1, objects.size(), CV_32F);
     cv::Mat confs = _confs.getMat();
-    float* confPtr = rects.ptr<float>(0);
+    float* confPtr = confs.ptr<float>(0);
 
     typedef std::vector<Detection>::const_iterator IDet;