[important] Fixed memory leak on Fuzzy-based algorithms

2 algorithms: FuzzyChoquetIntegral, FuzzySugenoIntegral

src/algorithms/FuzzyChoquetIntegral.cpp

@@ -152,6 +152,10 @@ void FuzzyChoquetIntegral::process(const cv::Mat &img_input, cv::Mat &img_output
     cv::Mat img_updated_background_f3 = cv::cvarrToMat(updated_background_f3);
     img_updated_background_f3.copyTo(img_background_f3);
 
+    cvReleaseImage(&input_f3);
+    cvReleaseImage(&input_f1);
+    cvReleaseImage(&background_f3);
+    cvReleaseImage(&background_f1);
     cvReleaseImage(&lbp_input_f1);
     cvReleaseImage(&lbp_background_f1);
     cvReleaseImage(&sim_texture_f1);

src/algorithms/FuzzySugenoIntegral.cpp

@@ -151,6 +151,10 @@ void FuzzySugenoIntegral::process(const cv::Mat &img_input, cv::Mat &img_output,
     cv::Mat img_updated_background_f3 = cv::cvarrToMat(updated_background_f3);
     img_updated_background_f3.copyTo(img_background_f3);
 
+    cvReleaseImage(&input_f3);
+    cvReleaseImage(&input_f1);
+    cvReleaseImage(&background_f3);
+    cvReleaseImage(&background_f1);
     cvReleaseImage(&lbp_input_f1);
     cvReleaseImage(&lbp_background_f1);
     cvReleaseImage(&sim_texture_f1);