High-Speed Low-Complexity Guided Image Filtering-Based Disparity Estimation. - Charan Kumar Vala; Koushik Immadisetty; Amit Acharyya; Charles Leech; Vibishna Balagopal; Geoff V. Merrett; Bashir M. Al-Hashimi (IEEE Trans. Circuits Syst. I Regul. Pap., 2018)