This paper focuses on study of super-resolution image of face(Face Hallucination). A novel face hallucination algorithm is proposed in this paper based on multi-resolution pyramid structure. Different from Baker method (reference [1])
We add Kirsch operator to get high-frequency feature of image. Kirsch feature combined with the first and second order gray feature can extract more image information
make the matching process more accurate. In addition
we introduce one of the manifold learning methods
locally linear embedding (LLE) for matching process
to make priori model more accurate
more comprehensive
and having more higher frequency information. Experimental results show that this model predicted a priori be more accurate
it will make the recovery of facial images with better visual effect.