RWYI: Reading What You Are Interested in with a Learning-Based Text Interactive System

Table 4

Performance of the state-of-the-art SISR algorithms on the three subsets of TextZoom [10].

Method	Accuracy of CRNN [11]				PSNR	SSIM
	Easy (%)	Medium (%)	Hard (%)	Average (%)
SCRNN [17]	38.7	21.6	20.9	27.7	20.78	0.7227
VDSR [18]	41.2	25.6	23.3	30.7	21.31	0.7331
SRResNet [19]	39.7	27.6	22.7	30.6	21.03	0.7403
RRDB [20]	40.6	22.1	21.9	28.9	19.99	0.7196
RDN [21]	41.6	24.4	23.5	30.5	20.41	0.7312
TSRN [10]	52.5	38.2	31.4	41.4	21.42	0.7690
FCSRN (ours)	56.1	43.0	32.9	45.0	21.18	0.7771