     # now the P_ref object can be set
     # grab the point reference before scale
     processedKnown.P_ref = x:  processedKnown.x, y:  processedKnown.y
-    #apply scaling 
+    #apply scaling
     processedKnown.x =  processedKnown.x * (SCALING_FACTOR / HALF_WINDOW_HEIGHT )
     processedKnown.y =  processedKnown.y * (SCALING_FACTOR / HALF_WINDOW_HEIGHT )
     processedKnown

  loadFrame: (image, src, attempts = 1) ->
    loadImage(src).then (img) =>
      if attempts < 10 and !!~img.src.indexOf (new Array 100).join 'A'
        setTimeout => 
          @loadFrame image, src, attempts + 1
      else if attempts >= 10
        console.log("Gave up on #{src}")

  #helper method to showSummary
  summarizeKnownObjects: ->
    objectsData = @Subject.current?.metadata?.known_objects
    processedKnowns = new Object
    #known object names will be concatentated here
    allKnownsLabel = ""

    for frame, objects of objectsData
      for knownObject in objects  when knownObject.good_known
        objectName = knownObject.object

        #update if seen already
        if processedKnowns[objectName]
          @updateSeenObject(processedKnowns[objectName], knownObject)
