Barycentric Coordinate
Barycentric coordinates represent a point within a simplex as a weighted average of its vertices, finding applications in diverse fields from image processing to machine learning. Current research focuses on developing robust and efficient algorithms for computing barycentric coordinates, particularly in the context of optimal transport and dealing with noisy or high-dimensional data, employing methods like neural networks and Sinkhorn iterations. These advancements are improving the accuracy and speed of various applications, including time series analysis, feature matching in computer vision, and data analysis in fields like single-cell genomics. The development of geometrically-informed and statistically-sound methods for barycentric coordinate estimation is driving progress across multiple scientific disciplines.