Self-Similarity Superresolution for Resource-Constrained Image Sensor Node in Wireless Sensor Networks

Table 3

Recovery PSNR of three sparse based SR methods with different dictionary sizes.

Image	Bicubic (dB)	Yang et al. [24] (dB); 1024 atoms	Yang et al. [22] (dB); 500 atoms	Proposed (dB); 128 atoms
Lena	29.8545	33.4116	33.4302	33.6360
Pepper	28.8546	31.4435	31.5071	31.9216
Boat	26.7158	30.4966	30.5984	30.8878