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. Author manuscript; available in PMC: 2017 Jun 1.
Published in final edited form as: IEEE J Sel Top Signal Process. 2016 Mar 23;10(4):672–687. doi: 10.1109/JSTSP.2016.2545518

Fig. 8.

Fig. 8

Multi-scale low rank versus low rank + sparse on faces with uneven illumination. Multi-scale low rank decomposition recovers almost shadow-free faces, whereas low rank + sparse decomposition can only remove some shadows.