Dear Sir/Madam, One of our researcher in urgent need of following article. If any one subscribe to this Journal could you please send me a copy of it. Please find the follow link for reference.  "No-reference noticeable blockiness estimation in images" Guangtao Zhai, Wenjun Zhang, Xiaokang Yang, Weisi Lin, Yi Xu. No-reference noticeable blockiness estimation in images. Sig. Proc.: Image Comm., 23(6):417-432, 2008. [doi] 10.1016/j.image.2008.04.007 SRINIVASA RAO GANTA Asst.Professor in LIS VBIT,Hyderabad -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.