Editorial
Copyright ©2010 Baishideng.
World J Gastroenterol. Mar 7, 2010; 16(9): 1043-1049
Published online Mar 7, 2010. doi: 10.3748/wjg.v16.i9.1043
Figure 4
Figure 4 Principle of tone enhancement (A) and tone curve (B). TE: Tone enhancement.