Cascading and Residual Connected Network for Single Image Superresolution

Table 3

Average NIQE and PI values on public dataset Set14 with scale factor ×4.

Metrics	SRCNN [12]	VDSR [16]	IDN [45]	CASR (ours)
NIQE [33]	6.624	5.744	6.472	4.506
PI [22]	5.929	5.121	5.448	3.859