Table 1.

Summary of important notations in section 3

Notation	Description	Notation	Description
𝔸	Active patch	IR(I)	Reconstructed image of I
SB	Basic patch	Ω	Training image set
𝕊D	Deformed patches set	λe, λov	Non-zero weights for energy terms
Sdt	Deformed patch in 𝕊D	M(𝔸, I, pos)	Matching score between 𝔸 & image I at pos
𝒟	Active patch dictionary	Mbest(I, pos)	Best matching score for image I at pos
𝒟o	Over-completed dictionary	$S_{d_t}^{\mathit{\text{best}}}$	Best fitted deformed patch in 𝕊D
𝒟f	Final dictionary	F (𝔸, I)	Firing frequency of 𝔸 for image I