Image Title From Gallery

Hello everyone i am new on ionic my objective is that a person can take a picture from camera offline and some data stores in local storage against the name of so far i was able to save image and some data against that in local storage but whenever i select that picture from gallery it comes with different url and name can any 1 tell me how to get the title of image ? here is my code
$scope.choosePhoto = function () {
var options = {
quality: 75,
destinationType: Camera.DestinationType.NATIVE_URI,
sourceType: Camera.PictureSourceType.PHOTOLIBRARY,
allowEdit: false,
encodingType: Camera.EncodingType.JPEG,
targetWidth: 300,
targetHeight: 300,
popoverOptions: CameraPopoverOptions,
saveToPhotoAlbum: false

    $cordovaCamera.getPicture(options).then(function (imageData) {
      $scope.showImage = true;
      $scope.showFormPickup = false;
      $scope.showSeatAvaiable = false;
      $scope.showRequestWating = false;
      $rootScope.aloTaxiHeaderBarClass = 'overlay';
      $scope.imgURI = imageData;
      //Store File URL in variable
      $scope.fileUrL = imageData;

      alert("Image URL:" + $scope.imgURI);

      var filename= $scope.fileUrL.split("?").pop();
      filename = filename.substr(0,filename.length);
      try {
        var item = angular.fromJson(localStorage.getItem(filename));
        $scope.latitude = item["latitude"];
        $scope.longitude = item["longitude"];

      catch (err)
    }, function (err) {
      console.log('Error While getting pictures from gallery' + err);