motion detect: new alg

opencv-motion-detect/evmlmotion.cpp

@@ -651,7 +651,7 @@ private:
         }
 
         cv::threshold(thresh, gray, detPara.thre, 255, cv::THRESH_BINARY);
-        cv::dilate(gray, thresh, cv::Mat(), cv::Point(-1,-1), 2);
+        // cv::dilate(gray, thresh, cv::Mat(), cv::Point(-1,-1), 2);
 
 #ifdef DEBUG
         matShow1 = thresh.clone();
@@ -673,7 +673,6 @@ private:
             else {
                 hasEvent = true;
                 evtCnt++;
-
 #ifdef DEBUG
                 cv::putText(origin, "motion detected", cv::Point(10, 20), cv::FONT_HERSHEY_SIMPLEX, 0.75, cv::Scalar(0,0,255),2);
 #endif