Figure 1
From: VirtualMicroscopy: ultra-fast interactive microscopy of gigapixel/terapixel images over internet

Existing techniques such as Microsoft HDview and Leica Aperio WebScope suffer from time delay and image blurriness.
By interactively Z-direction test with 30 trials, (A,B) Leica Aperio WebScope4 costs 7.98 seconds on average for showing a 12.78 GB image and (C,D) Microsoft HDview3 costs 36.9 seconds on average for showing a 3.7 GB image. Both suffer substantial delay. (Captured by co-authors, Chu-Mei Hun and Cheng-Ta Huang).