Implementation of "Designing Effective Inter-Pixel Information Flow for Natural Image Matting"

References - Implementation of Closed form matting - https://github.com/MarcoForte/closed-form-matting/blob/master/closed_form_matting.py

lle implementation in scipy python - https://github.com/scikit-learn/scikit-learn/blob/7b136e9/sklearn/manifold/locally_linear.py#L521