: This SIGGRAPH paper discusses edge-aware image processing using Laplacian pyramids, which is a standard method for decomposing images across multiple scales.

: This 2017 ACL paper by Rie Johnson and Tong Zhang details a word-level CNN architecture designed to capture global representations of text through a pyramid structure.

: For those interested in NLP, the paper Supervised Learning of Automatic Pyramid presents a framework for multi-document summarization. General Paper Pyramid DIYs