diff --git a/400-SOURCECODE/AIAHTML5.Web/app/controllers/DAController.js b/400-SOURCECODE/AIAHTML5.Web/app/controllers/DAController.js
index 0b86bd0..5f3eef5 100644
--- a/400-SOURCECODE/AIAHTML5.Web/app/controllers/DAController.js
+++ b/400-SOURCECODE/AIAHTML5.Web/app/controllers/DAController.js
@@ -63,6 +63,8 @@ function ($scope, $rootScope, $compile, $http, $log, $location, $timeout, DA, Mo
     $rootScope.whiteImageDataList = [];
     $rootScope.whiteImageMRDataList = [];
     $rootScope.previousHighlightList = [];
+    $rootScope.updatedWhiteImageDataList = [];
+    $rootScope.updatedWhiteImageMRDataList = [];
 
     //normal mode
     $rootScope.isNormalMode = false;
@@ -1052,6 +1054,7 @@ function ($scope, $rootScope, $compile, $http, $log, $location, $timeout, DA, Mo
                 }
 
                 $rootScope.previousHighlightList.push(RGBColor);
+
                 $scope.highLightBodyBasedOnIcolor(RGBColor);
             }
 
@@ -1143,9 +1146,6 @@ function ($scope, $rootScope, $compile, $http, $log, $location, $timeout, DA, Mo
         if (document.getElementById('canvasDiv') != null)
             document.getElementById('canvasDiv').appendChild(FlipedImgCanvas);
 
-
-
-
     }
 
     $scope.DrawImage = function (h, w, x, y, src, bodyRegionId, isMaskImage) {
@@ -1296,22 +1296,22 @@ function ($scope, $rootScope, $compile, $http, $log, $location, $timeout, DA, Mo
 
                                 var grayImageDataMR = $rootScope.grayImageMRDataList[bodyRegionId];
 
-                                grayCanvasContextMR.putImageData(grayImageDataMR, 0, 0)
+                                grayCanvasContextMR.putImageData(grayImageDataMR, 0, 0);
+
+                               
                             }
 
                         }
                     }
                 }
-
-                $rootScope.previousHighlightList.push(RGBColor);
-
-
-                //var previousIcolor = RGBColor;
-                // $scope.previousSelectedTermList.push(previousIcolor);
+                    $rootScope.previousHighlightList.push(RGBColor);
+             
 
                 if (maskCanvasId.match('modestyImg') && RGBColor != '000000') { }
                 else
+                {
                     $scope.highLightBodyBasedOnIcolor(RGBColor);
+                }
 
             }
 
@@ -1448,7 +1448,7 @@ function ($scope, $rootScope, $compile, $http, $log, $location, $timeout, DA, Mo
                                         
                         if ($scope.multiAnnotationIsON == true) {
 
-                            white = $rootScope.updatedImageMRDataList[bodyRegionId]
+                            white = $rootScope.updatedWhiteImageMRDataList[bodyRegionId]
                         }
                         else
                             white = $rootScope.whiteImageMRDataList[bodyRegionId];                   
@@ -1460,7 +1460,7 @@ function ($scope, $rootScope, $compile, $http, $log, $location, $timeout, DA, Mo
                                        
                         if ($scope.multiAnnotationIsON == true) {
 
-                            grayImageDataVar = $rootScope.updatedImageDataList[bodyRegionId - 1]
+                            white = $rootScope.updatedWhiteImageDataList[bodyRegionId - 1]
                         }
                         else
                         {
@@ -1488,7 +1488,7 @@ function ($scope, $rootScope, $compile, $http, $log, $location, $timeout, DA, Mo
                 //}
 
                 worker.onmessage = function (e) {
-                    console.log('callback for e.data.bodyRegionId: ' + e.data.bodyRegionId + ', time: ' + new Date().toTimeString().replace(/.*(\d{2}:\d{2}:\d{2}).*/, "$1"));
+                    console.log('callback in extract for e.data.bodyRegionId: ' + e.data.bodyRegionId + ', time: ' + new Date().toTimeString().replace(/.*(\d{2}:\d{2}:\d{2}).*/, "$1"));
 
 
                     var updatedData = e.data.value;
@@ -1512,9 +1512,9 @@ function ($scope, $rootScope, $compile, $http, $log, $location, $timeout, DA, Mo
                     // worker.terminate();
 
                     if (canvasId.match('_MR'))
-                        $rootScope.grayImageMRDataListCurrent[bodyRegionId] = updatedData;
+                        $rootScope.whiteImageMRDataList[bodyRegionId] = e.data.value;
                     else
-                        $rootScope.grayImageDataListCurrent[bodyRegionId - 1] = updatedData;
+                        $rootScope.whiteImageDataList[bodyRegionId - 1] = e.data.value;
 
                 };
                 worker.onerror = function (e) {
@@ -1606,11 +1606,7 @@ function ($scope, $rootScope, $compile, $http, $log, $location, $timeout, DA, Mo
 
                 worker.onmessage = function (e) {
                     console.log('callback for e.data.bodyRegionId: ' + e.data.bodyRegionId + ', time: ' + new Date().toTimeString().replace(/.*(\d{2}:\d{2}:\d{2}).*/, "$1"));
-
-                    debugger;
-
-                    var highlightedPortion;
-                    
+                                    
                     var updatedData = e.data.value;
 
                     var bodyRegionId = e.data.bodyRegionId;
@@ -1632,11 +1628,11 @@ function ($scope, $rootScope, $compile, $http, $log, $location, $timeout, DA, Mo
 
                     if (canvasId.match('_MR')) {
                         $rootScope.grayImageMRDataListCurrent[bodyRegionId] = updatedData;
-                        $rootScope.whiteImageMRDataList[bodyRegionId] = updatedData;
+                      //  $rootScope.updatedWhiteImageMRDataList[bodyRegionId] = updatedData;
                     }
                     else
                         $rootScope.grayImageDataListCurrent[bodyRegionId - 1] = updatedData;
-                    $rootScope.whiteImageDataList[bodyRegionId - 1] = updatedData;
+                      // $rootScope.updatedWhiteImageMRDataList[bodyRegionId - 1] = updatedData;
 
                 };
                 worker.onerror = function (e) {
@@ -3657,10 +3653,19 @@ function ($scope, $rootScope, $compile, $http, $log, $location, $timeout, DA, Mo
 
     }
 
-    $scope.enableExtract = function () {
-        // alert('extract called');
+    $scope.enableExtract = function ()
+    {
+        
 
-        //debugger;
+        var workerCount = $scope.runningWorkers.length;
+        if (workerCount > 0) {
+            for (var i = workerCount - 1; i >= 0; i--) {
+                var runningWorker = $scope.runningWorkers[i].workerName;
+                runningWorker.terminate();
+                $scope.runningWorkers.splice(i, 1);
+                // workerCount--;
+            }
+        }
 
         if ($rootScope.isExtract == true) {
 
diff --git a/400-SOURCECODE/AIAHTML5.Web/extract-wp.js b/400-SOURCECODE/AIAHTML5.Web/extract-wp.js
index b79a499..e10aed5 100644
--- a/400-SOURCECODE/AIAHTML5.Web/extract-wp.js
+++ b/400-SOURCECODE/AIAHTML5.Web/extract-wp.js
@@ -1,12 +1,13 @@
-var doneBRID = [];
+var UpdatedGrayImageDataList = [];
+var doneBRID = [];
 var abc = 'hello';
-var previousGrayImageDataList = [];
+previousGrayImageDataList = [];
 getLocationForMatchedTermsInWholeBody = function (termList, maskCanvasData, coloredImageData, grayImageData, bodyRegionId, canvasId) {
-    // console.log('for bodyRegionId: ' + bodyRegionId + ', time: ' + new Date().toTimeString().replace(/.*(\d{2}:\d{2}:\d{2}).*/, "$1"))
+    console.log('for bodyRegionId: ' + bodyRegionId + ', time: ' + new Date().toTimeString().replace(/.*(\d{2}:\d{2}:\d{2}).*/, "$1"))
     var matchedRGBLocationInBodyRegion = [];
     var matched;
 
-    //  debugger;
+    console.log(grayImageData)
     var n = maskCanvasData.data.length;
     var maskData = maskCanvasData.data;
     for (var z = 0; z < termList.length; z++) {
@@ -15,11 +16,7 @@ getLocationForMatchedTermsInWholeBody = function (termList, maskCanvasData, colo
             grayImageData = previousGrayImageDataList[parseInt(bodyRegionId - 1)];
 
         }
-
-        var grayImageDataVar;
-        if (grayImageData != null) {
-            grayImageDataVar = grayImageData.data;
-        }
+        var grayImageDataVar = grayImageData.data;
         var coloredImageDataVar = coloredImageData.data;
 
         for (var i = 0; i < n; i += 4) {