Deep Residual Network for Joint Demosaicing and Super- Resolution

The two classic image restoration tasks, demosaicing and super-resolution, have traditionally always been studied indepen- dently. That is sub-optimal as sequential processing, demosaic- ing and then super-resolution, may lead to amplification of ar- tifacts. In this paper, we show that such accumulation of er- rors can be easily averted by jointly performing demosaicing and super-resolution. To this end, we propose a deep residual net- work for learning an end-to-end mapping between Bayer images and high-resolution images. Our deep residual demosaicing and super-resolution network is able to recover high-quality super- resolved images from low-resolution Bayer mosaics in a single step without producing the artifacts common to such processing when the two operations are done separately. We perform exten- sive experiments to show that our deep residual network achieves demosaiced and super-resolved images that are superior to the state-of-the-art both qualitatively and quantitatively.

Presented at:
26th Color and Imaging Conference 2018 (CIC26): Color Science and Engineering Systems, Technologies, and Applications, Vancouver, Canada, November 12-16, 2018
Society for Imaging Science and Technology ( IS&T )

 Record created 2018-11-08, last modified 2018-11-15

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