[important] Fixed memory leak on LB* algorithms

5 algorithms: LBAdaptiveSOM, LBFuzzyAdaptiveSOM, LBFuzzyGaussian, LBMixtureOfGaussians,LBSimpleGaussian

src/algorithms/LBAdaptiveSOM.cpp

@@ -54,6 +54,7 @@ void LBAdaptiveSOM::process(const cv::Mat &img_input, cv::Mat &img_output, cv::M
 
   img_foreground.copyTo(img_output);
   img_background.copyTo(img_bgmodel);
+  cvReleaseImage(&frame);
 
   firstTime = false;
 }

src/algorithms/LBFuzzyAdaptiveSOM.cpp

@@ -53,6 +53,7 @@ void LBFuzzyAdaptiveSOM::process(const cv::Mat &img_input, cv::Mat &img_output,
 
   img_foreground.copyTo(img_output);
   img_background.copyTo(img_bgmodel);
+  cvReleaseImage(&frame);
 
   firstTime = false;
 }

src/algorithms/LBFuzzyGaussian.cpp

@@ -52,6 +52,7 @@ void LBFuzzyGaussian::process(const cv::Mat &img_input, cv::Mat &img_output, cv:
 
   img_foreground.copyTo(img_output);
   img_background.copyTo(img_bgmodel);
+  cvReleaseImage(&frame);
 
   firstTime = false;
 }

src/algorithms/LBMixtureOfGaussians.cpp

@@ -52,6 +52,7 @@ void LBMixtureOfGaussians::process(const cv::Mat &img_input, cv::Mat &img_output
 
   img_foreground.copyTo(img_output);
   img_background.copyTo(img_bgmodel);
+  cvReleaseImage(&frame);
 
   firstTime = false;
 }

src/algorithms/LBSimpleGaussian.cpp

@@ -50,6 +50,7 @@ void LBSimpleGaussian::process(const cv::Mat &img_input, cv::Mat &img_output, cv
 
   img_foreground.copyTo(img_output);
   img_background.copyTo(img_bgmodel);
+  cvReleaseImage(&frame);
 
   firstTime = false;
 }