Lemon Slice nabs $10.5M from YC and Matrix to build out its digital avatar tech

Digital avatar generation company Lemon Slice is working to add a video layer to AI chatbots with a new diffusion model that ...
IEEE

Matrix-Inverse-Free Deep Unfolding of the Weighted MMSE Beamforming Algorithm

Abstract: Downlink beamforming is a key technology for cellular networks. However, computing beamformers that maximize the weighted sum rate (WSR) subject to a power ...
IEEE

Fast Differentiable Matrix Square Root and Inverse Square Root

Abstract: Computing the matrix square root and its inverse in a differentiable manner is important in a variety of computer vision tasks. Previous methods either adopt the Singular Value Decomposition ...
GitHub

Improving Diffusion Models for Inverse Problems Using Optimal Posterior Covariance

Abstract: Recent diffusion models provide a promising zero-shot solution to noisy linear inverse problems without retraining for specific inverse problems. In this paper, we reveal that recent methods ...
GitHub

Inverse-Covariance Weighted Index for Python

What is the ICW Index? Tl;DR: The ICW index is a weighted average of variables where the weights are determined by the inverse of the covariance matrix of the variables. Anderson (2008) proposed an ...