Intrinsic Integer-Periodic Functions for Discrete Periodicity Detection. - Soo-Chang Pei; Keng-Shih Lu (IEEE Signal Process. Lett., 2015)

Symmetric line graph transforms for inter predictive video coding. - Keng-Shih Lu; Antonio Ortega (PCS, 2016)

Fast implementation for symmetric non-separable transforms based on grids. - Keng-Shih Lu; Antonio Ortega (ICASSP, 2017)

A graph laplacian matrix learning method for fast implementation of graph fourier transform. - Keng-Shih Lu; Antonio Ortega (ICIP, 2017)

On Learning Laplacians of Tree Structured Graphs. - Keng-Shih Lu; Eduardo Pavez; Antonio Ortega (DSW, 2018)

Efficient Rate-distortion Approximation and Transform Type Selection using Laplacian Operators. - Keng-Shih Lu; Antonio Ortega; Debargha Mukherjee; Yue Chen (PCS, 2018)

Constrained Null Space Component Analysis for Semiblind Source Separation Problem. - Wen-Liang Hwang; Keng-Shih Lu; Jinn Ho (IEEE Trans. Neural Networks Learn. Syst., 2018)

Lapped Transforms: A Graph-based Extension. - Keng-Shih Lu; Antonio Ortega (ICASSP, 2019)

Fast Graph Fourier Transforms Based on Graph Symmetry and Bipartition. - Keng-Shih Lu; Antonio Ortega (IEEE Trans. Signal Process., 2019)

Perceptually Inspired Weighted MSE Optimization Using Irregularity-Aware Graph Fourier Transform. - Keng-Shih Lu; Antonio Ortega; Debargha Mukherjee; Yue Chen (ICIP, 2020)

Generalized Optical Flow based Motion Vector Refinement in AV1. - Keng-Shih Lu; Sarah Parker; Debargha Mukherjee (PCS, 2021)

Non-Separable Filtering with Side-Information and Contextually-Designed Filters for Next Generation Video Codecs. - Onur G. Guleryuz; Debargha Mukherjee; Yue Chen; Keng-Shih Lu; Urvang Joshi (ICIP, 2022)

Intra Prediction of Regular and Near-Regular Textures Via Graph-Based Inpainting. - Wen-Yang Lu; Eduardo Pavez; Antonio Ortega; Debargha Mukherjee; Onur G. Guleryuz; Keng-Shih Lu (ICIP, 2022)

DCT and DST Filtering With Sparse Graph Operators. - Keng-Shih Lu; Antonio Ortega; Debargha Mukherjee; Yue Chen (IEEE Trans. Signal Process., 2022)