callingImageUploadService.js

ImageUploadService.uploadImage(scope.imageURI).then(
  function(result) {

    var url = result.secure_url || '';
    var urlSmall;

    if(result && result.eager[0]) urlSmall = result.eager[0].secure_url || '';

    // Do something with the results here.

    $cordovaCamera.cleanup();

  },
  function(err) {

    // Do something with the error here
    $cordovaCamera.cleanup();

  }