def batch
    if request.post?
      images = params[:images]
      session[:images_to_tag] = []
      images.each do |id, img|
        unless img['uploaded_data'].blank?
          uploaded_data = params[:images][id].delete(:uploaded_data) # pop off uploaded data

          image_attributes = params[:images][id].merge(params[:image])
          @image = Image.new(image_attributes)
          @image_picture = ImagePicture.new(:image_obj => @image)
          @image_picture.uploaded_data = uploaded_data
          @image.picture = @image_picture
          @image.user = @current_user
          @image.save!
          session[:images_to_tag] << @image.id
        end
      end

      flash[:notice] = 'Your image was successfully uploaded.'
      session[:image_tagging_job_key] = Image.start_tagging(session[:images_to_tag])
      redirect_to :action => 'auto_tagging_progress'
    end
  rescue ActiveRecord::RecordInvalid
    render :action=>'batch'
  end