Omnigradient Based Total Variation Minimization for Enhanced Defocus Deblurring of Omnidirectional Images

Figure 6

Gradient computation results of test image: (a) and (b) are traditional gradient computation result and close-up views, respectively; (c) and (d) are omnigradient computation result and close-up views, respectively.

(a)

(b)

(c)

(d)