Blur is a general image degradation caused by low-quality cameras or intentional photographing for highlighting moving or salient objects. However. most blur classifiers just classify images into blur and sharp. which cannot distinguish the intentional blurred images from the unintentional blurred ones. https://www.roneverhart.com/Castello-di-Amorosa-Il-Barone-Napa-Valley-Cabernet-Sauvignon-2007/