Revisit Retinex Theory: Towards a Lightness-Aware Restorer for Underexposed Images

Table 4

The average time cost (ms) for processing one frame.

Methods	Device	1080P	720P	480P
Virtual exposure [34]	CPU	4175	1877	702
Dong et al. [35]	CPU	2008	675	228
HE [12]	CPU	53	28	15
ExCNet [21]	GPU	4185	3897	3823
LiAR	GPU	64	37	31