Fig. 2From: Variational based smoke removal in laparoscopic imagesRecovering images using different \(\alpha\) values. a Degraded image. b Estimated smoke veil. c \(\alpha (c)=0.2\). d \(\alpha (c)=0.4\). e \(\alpha (c)\approx 0.57\). f \(\alpha (c)=0.6\). g \(\alpha (c)=0.8\). h \(\alpha (c)=1\)Back to article page